Asteraceae
(THE ASTER FAMILY)
Biota of North America Program
Texas A&M University Bioinformatics Working Group
Standardized nomenclature following © John T. Kartesz. 1996. Revision: A Synonymized Checklist of the Vascular Flora of the United States, Canada, and Greenland. The Biota of North America Program of the North Carolina Botanical Garden . This listing features updates (1996) of BONAP nomenclature, use of common names derived from BONAP data, U. S. Fish and Wildlife Service data on endangered/threatened taxa, and information on Texas taxa taken from a database developed from Stephan L. Hatch, Kancheepuram N. Gandhi, and Larry E. Brown. 1990. Checklist of the Vascular Plants of Texas (now in the process of proofing).

Acamptopappus (Gray) Gray - GOLDENHEAD

    shockleyi Gray

    sphaerocephalus (Harvey & Gray ex Gray) Gray

      var. hirtellus Blake

      var. sphaerocephalus Synonymy: Aplopappus sphaerocephalus Harvey & Gray ex Gray

    Acanthospermum Schrank - STARBURR

      australe (Loefl.) Kuntze Present in the Texas flora and known locally as: Paraguay green-stripe (Texas Distribution by vegetation zone) Synonymy: Melampodium australe Loefl.

      hispidum DC.

      humile (Sw.) DC. Synonymy: Melampodium humile Sw.

      xanthioides DC.

      Achillea L. - YARROW

        distans Waldst. & Kit. ex Willd. Synonymy: Achillea dentifera DC.

        filipendulina Lam.

        ligustica All.

        millefolium L. Present in the Texas flora and known locally as: Western yarrow, common yarrow, milfoil (Texas Distribution by vegetation zone)

          var. alpicola (Rydb.) Garrett Synonymy: Achillea alpicola (Rydb.) Rydb. , Achillea fusca Rydb. , Achillea lanulosa ssp. alpicola (Rydb.) Keck , Achillea lanulosa var. alpicola Rydb. , Achillea millefolium var. fusca (Rydb.) G.N. Jones , Achillea subalpina Greene

          var. arenicola (Heller) Nobs Synonymy: Achillea arenicola Heller , Achillea borealis ssp. arenicola (Heller) Keck , Achillea borealis var. arenicola (Heller) J.T. Howell , Achillea millefolium var. maritima Jepson

          var. borealis (Bong.) Farw. Synonymy: Achillea borealis Bong. , Achillea borealis ssp. typica Keck , Achillea millefolium ssp. atrotegula Boivin , Achillea millefolium ssp. borealis (Bong.) Breitung , Achillea millefolium var. fulva Boivin , Achillea millefolium var. parviligula Boivin , Achillea millefolium var. parvula Boivin

          var. californica (Pollard) Jepson Synonymy: Achillea borealis ssp. californica (Pollard) Keck , Achillea borealis var. californica (Pollard) J.T. Howell , Achillea californica Pollard

          var. gigantea (Pollard) Nobs Synonymy: Achillea gigantea Pollard

          var. litoralis Ehrend. ex Nobs

          var. megacephala (Raup) Boivin Synonymy: Achillea lanulosa ssp. megacephala (Raup) Argus , Achillea megacephala Raup

          var. millefolium

          var. nigrescens E. Mey. Synonymy: Achillea nigrescens (E. Mey.) Rydb.

          var. occidentalis DC. Synonymy: Achillea angustissima Rydb. , Achillea aspleniifolia auct. non Vent. , Achillea eradiata Piper , Achillea gracilis Raf. , Achillea lanulosa Nutt. , Achillea lanulosa ssp. typica Keck , Achillea lanulosa var. arachnoidea Lunell , Achillea lanulosa var. eradiata (Piper) M.E. Peck , Achillea laxiflora Pollard & Cockerell , Achillea millefolium ssp. lanulosa (Nutt.) Piper , Achillea millefolium ssp. occidentalis (DC.) Hyl. , Achillea millefolium ssp. pallidotegula Boivin , Achillea millefolium var. aspleniifolia (Vent.) Farw. , Achillea millefolium var. gracilis Raf. ex DC. , Achillea millefolium var. lanulosa (Nutt.) Piper , Achillea millefolium var. rosea (Desf.) Torr. & Gray , Achillea millefolium var. russeolata Boivin , Achillea occidentalis (DC.) Raf. ex Rydb. , Achillea rosea Desf. , Achillea tomentosa Pursh, non L.

          var. pacifica (Rydb.) G.N. Jones Synonymy: Achillea pacifica Rydb.

          var. puberula (Rydb.) Nobs Synonymy: Achillea puberula Rydb.

        nobilis L.

        ptarmica L.

        sibirica Ledeb. Synonymy: Achillea multiflora Hook.

        Achyrachaena Schauer - BLOW-WIVES

          mollis Schauer

          Acmella L.C. Rich. ex Pers. - SPOTFLOWER

            decumbens (Sm.) R.K. Jansen Synonymy: Spilanthes americana var. stolonifera (DC.) A.H. Moore , Spilanthes stolonifera DC.

            iodiscaea (A.H. Moore) R.K. Jansen Synonymy: Spilanthes iodiscaea A.H. Moore

            oppositifolia (Lam.) R.K. Jansen

              var. repens (Walt.) R.K. Jansen Present in the Texas flora and known locally as: Creeping spotflower (Texas Distribution by vegetation zone) Synonymy: Acmella repens (Walt.) L.C. Rich. , Spilanthes americana auct. p.p. non Hieron. , Spilanthes americana var. repens (Walt.) A.H. Moore

            pusilla (Hook. & Arn.) R.K. Jansen Synonymy: Spilanthes pusilla Hook. & Arn.

            Acourtia D. Don - DESERT-PEONY

              microcephala DC. Synonymy: Perezia microcephala (DC.) Gray

              nana (Gray) Reveal & King Present in the Texas flora and known locally as: Desert holly, perezia (Texas Distribution by vegetation zone) Synonymy: Perezia nana Gray

              runcinata (Lag. ex D. Don) B.L. Turner Present in the Texas flora and known locally as: Stemless perezia, peonia (Texas Distribution by vegetation zone) Synonymy: Perezia runcinata (Lag. ex D. Don) Lag. ex Gray

              thurberi (Gray) Reveal & King Synonymy: Perezia thurberi Gray

              wrightii (Gray) Reveal & King Present in the Texas flora and known locally as: Pink perezia, brownfoot (Texas Distribution by vegetation zone) Synonymy: Perezia wrightii Gray

              Acroptilon Cass. - HARDHEADS

                repens (L.) DC. Present in the Texas flora and known locally as: Russian centaurea, Russian knapweed (Texas Distribution by vegetation zone) Synonymy: Centaurea picris Pallas ex Willd. , Centaurea repens L.

                Adenocaulon Hook. - AMERICAN TRAILPLANT

                  bicolor Hook.

                  Adenophyllum Pers. - DOGWEED

                    cooperi (Gray) Strother Synonymy: Dyssodia cooperi Gray

                    porophylloides (Gray) Strother Synonymy: Dyssodia porophylloides Gray

                    porophyllum (Cav.) Hemsl. Synonymy: Dyssodia porophylla (Cav.) Cav. , Pteronia porophylla Cav.

                    wrightii Gray Synonymy: Dyssodia neomexicana (Gray) B.L. Robins. , Hymenatherum neomexicanum Gray

                    Adenostemma J.R. & G. Forst. - MEDICINE-PLANT

                      lavenia (L.) Kuntze Synonymy: Adenostemma viscosum J.R. & G. Forst. , Verbesina lavenia L.

                      verbesina (L.) Schultz-Bip. Synonymy: Cotula verbesina L.

                      Ageratina Spach - SNAKEROOT

                        adenophora (Spreng.) King & H.E. Robins. Synonymy: Eupatorium adenophorum Spreng. , Eupatorium glandulosum Kunth, non Michx.

                        altissima (L.) King & H.E. Robins.

                          var. altissima Present in the Texas flora (treated as Eupatorium rugosum Houtt. by Hatch et al, 1990) and known locally as: White snakeroot (Texas Distribution by vegetation zone) Synonymy: Ageratum altissimum L., non Eupatorium altissimum L. , Eupatorium rugosum Houtt. , Eupatorium rugosum var. chlorolepis Fern. , Eupatorium rugosum var. tomentellum (B.L. Robins.) Blake , Eupatorium rugosum var. villicaule (Fern.) Blake , Eupatorium urticifolium var. tomentellum B.L. Robins.

                          var. angustata (Gray) Clewell & Woot. Synonymy: Eupatorium rugosum var. angustata (Gray) Blake

                          var. roanensis (Small) Clewell & Woot. Synonymy: Eupatorium roanense Small , Eupatorium rugosum var. roanense (Small) Fern. , Eupatorium urticifolium Reichard

                        aromatica (L.) Spach

                          var. aromatica Synonymy: Eupatorium aromaticum L. , Eupatorium latidens Small

                          var. incisa (Gray) C.F. Reed Synonymy: Eupatorium aromaticum var. incisum Gray

                        havanensis (Kunth) King & H.E. Robins. Present in the Texas flora (treated as Eupatorium havanense Kunth in H.B.K. by Hatch et al, 1990) and known locally as: Shrubby boneset (Texas Distribution by vegetation zone) Synonymy: Eupatorium havanense Kunth , Eupatorium texense (Torr. & Gray) Rydb.

                        herbacea (Gray) King & H.E. Robins. Present in the Texas flora (treated as Eupatorium herbaceum (Gray) Greene by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Eupatorium herbaceum (Gray) Greene

                        jucunda (Greene) Clewell & Woot. Synonymy: Eupatorium juncundum Greene

                        lemmonii (B.L. Robins.) King & H.E. Robins. Synonymy: Eupatorium lemmonii B.L. Robins.

                        luciae-brauniae (Fern.) King & H.E. Robins. Synonymy: Eupatorium luciae-brauniae Fern.

                        occidentalis (Hook.) King & H.E. Robins. Synonymy: Eupatorium occidentale Hook.

                        paupercula (Gray) King & H.E. Robins. Synonymy: Eupatorium pauperculum Gray

                        resiniflua (Urban) King & H.E. Robins. Synonymy: Eupatorium resinifluum Urban

                        riparia (Regel) King & H.E. Robins. Synonymy: Eupatorium riparium Regel

                        rothrockii (Gray) King & H.E. Robins. Present in the Texas flora (treated as Eupatorium rothrockii Gray by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Eupatorium rothrockii Gray

                        shastensis (Taylor & Stebbins) King & H.E. Robins. Synonymy: Eupatorium shastense Taylor & Stebbins

                        wrightii (Gray) King & H.E. Robins. Present in the Texas flora (treated as Eupatorium wrightii Gray by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Eupatorium wrightii Gray

                        Ageratum L. - WHITEWEED

                          conyzoides L.

                          corymbosum Zuccagni Present in the Texas flora and known locally as: Flattop ageratum No Texas distribution data available Synonymy: Ageratum guatemalense M.F. Johnson

                          houstonianum P. Mill.

                          littorale Gray

                          Agoseris Raf. - GOAT-CHICORY

                            apargioides (Less.) Greene

                              var. apargioides Synonymy: Agoseris hirsuta (Hook.) Greene , Troximon apargioides Less.

                              var. eastwoodiae (Fedde) Munz Synonymy: Agoseris eastwoodiae Fedde

                              var. maritima (Sheldon) Q. Jones ex Cronq. Synonymy: Agoseris apargioides ssp. maritima (Sheldon) Q. Jones , Agoseris maritima Sheldon

                            aurantiaca (Hook.) Greene

                              var. aurantiaca Synonymy: Agoseris graminifolia Greene , Agoseris rostrata Rydb. , Troximon aurantiacum Hook.

                              var. purpurea (Gray) Cronq. Synonymy: Agoseris aurantiaca ssp. purpurea (Gray) G.W. Douglas

                            elata (Nutt.) Greene Synonymy: Stylopappus elatus Nutt.

                            gaspensis Fern.

                            glauca (Pursh) Raf.

                              var. agrestis (Osterhout) Q. Jones ex Cronq. Synonymy: Agoseris agrestis Osterhout

                              var. cronquistii Welsh

                              var. dasycephala (Torr. & Gray) Jepson Synonymy: Agoseris glauca var. asper (Rydb.) Cronq. , Agoseris glauca var. pumila (Nutt.) Garrett , Agoseris scorzonerifolia (Schrad.) Greene , Troximon glaucum var. dasycephalum Torr. & Gray

                              var. glauca Synonymy: Agoseris turbinata Rydb. , Troximon glaucum Pursh

                              var. laciniata (D.C. Eat.) Smiley Synonymy: Agoseris arizonica Greene , Agoseris glauca var. parviflora (Nutt.) Rydb. , Agoseris parviflora (Nutt.) Greene , Macrorhynchus glaucus var. laciniatus D.C. Eat. , Troximon parviflorum Nutt.

                              var. monticola (Greene) Q. Jones ex Cronq. Synonymy: Agoseris monticola Greene

                            grandiflora (Nutt.) Greene Synonymy: Agoseris laciniata (Nutt.) Greene , Agoseris plebeja (Greene) Greene , Troximon grandiflorum Nutt.

                            heterophylla (Nutt.) Greene

                              var. crenulata Jepson

                              var. heterophylla Synonymy: Agoseris heterophylla ssp. californica (Nutt.) Piper , Agoseris heterophylla ssp. normalis Piper , Agoseris heterophylla var. cryptopleura Jepson , Agoseris heterophylla var. kymapleura Greene , Macrorhynchus heterophyllus Nutt.

                              var. turgida (Hall) Jepson

                            lackschewitzii D. Henderson & R. Moseley

                            retrorsa (Benth.) Greene Synonymy: Macrorhynchus retrorsus Benth.

                            Almutaster A.& D. Löve

                              pauciflorus (Nutt.) A.& D. Löve Synonymy: Aster hydrophilus Greene ex Woot. & Standl. , Aster pauciflorus Nutt.

                              Amberboa (Pers.) Less. - SWEETSULTAN

                                moschata (L.) DC. Synonymy: Centaurea moschata L.

                                Amblyolepis DC. - HUISACHE-DAISY

                                  setigera DC. Present in the Texas flora and known locally as: Huisache-Daisy (Texas Distribution by vegetation zone) Synonymy: Helenium setigerum (DC.) Britt. & Rusby

                                  Amblyopappus Hook. & Arn. - COASTWEED

                                    pusillus Hook. & Arn.

                                    Ambrosia L. - BURR-RAGWEED AND RAGWEED

                                      acanthicarpa Hook. Present in the Texas flora and known locally as: Flatspine ragweed, burweed, flatspine bursage (Texas Distribution by vegetation zone) Synonymy: Franseria acanthicarpa (Hook.) Coville , Gaertneria acanthicarpa (Hook.) Britt.

                                      ambrosioides (Cav.) Payne Synonymy: Franseria ambrosioides Cav.

                                      artemisiifolia L. Present in the Texas flora and known locally as: Common ragweed, Roman wormwood, short ragweed, altamisa (Texas Distribution by vegetation zone)

                                        var. artemisiifolia

                                        var. elatior (L.) Descourtils Synonymy: Ambrosia elatior L.

                                        var. paniculata (Michx.) Blank. Synonymy: Ambrosia glandulosa Scheele , Ambrosia monophylla (Walt.) Rydb. , Ambrosia paniculata Michx.

                                      bidentata Michx. Present in the Texas flora and known locally as: Lanceleaf ragweed, southern ragweed (Texas Distribution by vegetation zone)

                                      canescens (Benth.) Gray

                                      chamissonis (Less.) Greene Synonymy: Ambrosia chamissonis var. bipinnatisecta (Less.) J.T. Howell , Franseria chamissonis Less. , Franseria chamissonis ssp. bipinnatisecta (Less.) Wiggins & Stockwell , Franseria chamissonis var. bipinnatisecta Less.

                                      cheiranthifolia Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Listed by the U.S. FWS as endangered, the FWS local name is South Texas ambrosia and the FWS range is: U.S.A. (TX). Listed on August 24, 1994 (Volume 59 Federal Register 43652).

                                      chenopodiifolia (Benth.) Payne Synonymy: Franseria chenopodiifolia Benth.

                                      confertiflora DC. Present in the Texas flora and known locally as: Field ragweed, bursage (Texas Distribution by vegetation zone) Synonymy: Franseria confertiflora (DC.) Rydb. , Franseria strigulosa Rydb. , Gaertneria tenuifolia Harvey & Gray

                                      cordifolia (Gray) Payne Synonymy: Franseria cordifolia Gray

                                      deltoidea (Torr.) Payne Synonymy: Franseria deltoidea Torr.

                                      dumosa (Gray) Payne Synonymy: Franseria dumosa Gray

                                      eriocentra (Gray) Payne Synonymy: Franseria eriocentra Gray

                                      grayi (A. Nels.) Shinners Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Franseria tomentosa Gray , Gaertnera tomentosa (Gray) Kuntze , Gaertneria grayi A. Nels.

                                      X helenae Rouleau [artemisiifolia X trifida]

                                      hispida Pursh

                                      ilicifolia (Gray) Payne Synonymy: Franseria ilicifolia Gray

                                      X intergradiens Wagner [artemisiifolia X psilostachya]

                                      linearis (Rydb.) Payne Synonymy: Franseria linearis Rydb.

                                      peruviana Willd.

                                      psilostachya DC. Present in the Texas flora (treated as Ambrosia cumanensis Kunth in H.B.K. by Hatch et al, 1990) and known locally as: Western ragweed, perennial ragweed (Texas Distribution by vegetation zone) Synonymy: Ambrosia californica Rydb. , Ambrosia coronopifolia Torr. & Gray , Ambrosia cumanensis auct. non Kunth , Ambrosia psilostachya var. californica (Rydb.) Blake , Ambrosia psilostachya var. coronopifolia (Torr. & Gray) Farw. , Ambrosia psilostachya var. lindheimeriana (Scheele) Blank. , Ambrosia rugelii Rydb.

                                      pumila (Nutt.) Gray Synonymy: Franseria pumila Nutt.

                                      tenuifolia Spreng.

                                      tomentosa Nutt. Synonymy: Franseria discolor Nutt. , Franseria tomentosa (Nutt.) A. Nels., non Gray , Gaertneria discolor (Nutt.) Kuntze , Gaertneria tomentosa (Nutt.) Heller

                                      trifida L.

                                        var. texana Scheele Present in the Texas flora and known locally as: Blood ragweed (Texas Distribution by vegetation zone) Synonymy: Ambrosia aptera DC. , Ambrosia trifida var. aptera (DC.) Kuntze

                                        var. trifida Synonymy: Ambrosia trifida var. integrifolia (Muhl. ex Willd.) Torr. & Gray

                                      Ampelaster Nesom

                                        carolinianus (Walt.) Nesom Synonymy: Aster carolinianus Walt. , Lasallea caroliniana (Walt.) Semple & Brouillet , Virgulus carolinianus (Walt.) Reveal & Keener

                                        Amphiachyris (A. DC.) Nutt. - BROOMWEED

                                          amoena (Shinners) Solbrig Present in the Texas flora and known locally as: Annual broomweed, broomweed (Texas Distribution by vegetation zone) Synonymy: Xanthocephalum amoenum Shinners , Xanthocephalum amoenum var. intermedium Shinners

                                          dracunculoides (DC.) Nutt. Present in the Texas flora and known locally as: Annual broomweed, broomweed (Texas Distribution by vegetation zone) Synonymy: Brachyris dracunculoides DC. , Gutierrezia dracunculoides (DC.) Blake , Xanthocephalum dracunculoides (DC.) Shinners

                                          Amphipappus Torr. & Gray - CHAFFBUSH

                                            fremontii Torr. & Gray

                                              ssp. fremontii

                                              ssp. spinosus (A. Nels.) Keck Synonymy: Amphiachyris spinosa A. Nels. , Amphipappus fremontii var. spinosus (A. Nels.) C.L. Porter

                                            Anacylus L. - WHITEBUTTONS

                                              clavatus (Desf.) Pers. Synonymy: Anacylus tomentosus DC.

                                              Anaphalis DC. - PEARLY-EVERLASTING

                                                margaritacea (L.) Benth. & Hook. f. Synonymy: Anaphalis margaritacea var. angustior (Miq.) Nakai , Anaphalis margaritacea var. intercedens Hara , Anaphalis margaritacea var. occidentalis Greene , Anaphalis margaritacea var. revoluta Suksdorf , Anaphalis margaritacea var. subalpina Gray , Anaphalis occidentalis (Greene) Heller , Gnaphalium margaritaceum L.

                                                Ancistrocarphus Gray - FALSE NESTSTRAW

                                                  filagineus Gray Synonymy: Stylocline filaginea (Gray) Gray , Stylocline filaginea var. depressa Jepson

                                                  Anisocoma Torr. & Gray - SCALEBUD

                                                    acaulis Torr. & Gray

                                                    Antennaria Gaertn. - PUSSYTOES

                                                      alpina (L.) Gaertn. Synonymy: Antennaria alpina var. canescens (Lange) Trautv. , Antennaria alpina var. compacta (Malte) Welsh , Antennaria alpina var. glabrata J. Vahl , Antennaria alpina var. intermedia Rosenv. , Antennaria alpina var. stolonifera (Porsild) Welsh , Antennaria alpina var. ungavensis Fern. , Antennaria arenicola Malte , Antennaria atriceps Fern. , Antennaria bayardii Fern. , Antennaria boecheriana Porsild , Antennaria borealis Greene , Antennaria brunnescens Fern. , Antennaria cana (Fern. & Wieg.) Fern. , Antennaria canescens (Lange) Malte , Antennaria canescens ssp. porsildii (Ekman) A.& D. Löve , Antennaria canescens var. pseudoporsildii Böcher , Antennaria columnaris Fern. , Antennaria compacta Malte , Antennaria confusa Fern. , Antennaria crymophila Porsild , Antennaria foggii Fern. , Antennaria friesiana ssp. compacta (Malte) Hultén , Antennaria glabrata (J. Vahl) Greene , Antennaria groenlandica Porsild , Antennaria hansii Kern. , Antennaria intermedia (Rosenv.) A.E. Pors. , Antennaria labradorica Nutt. , Antennaria longii Fern. , Antennaria pallida E. Nels. , Antennaria pedunculata Porsild , Antennaria porsildii Ekman , Antennaria sornborgeri Fern. , Antennaria stolonifera Porsild , Antennaria subcanescens Ostenf. ex Malte , Antennaria ungavensis (Fern.) Malte , Antennaria vexillifera Fern. , Antennaria wiegandii Fern. , Gnaphalium alpinum L.

                                                      anaphaloides Rydb. Synonymy: Antennaria pulcherrima ssp. anaphaloides (Rydb.) W.A. Weber , Antennaria pulcherrima var. anaphaloides (Rydb.) G.W. Douglas

                                                      arcuata Cronq.

                                                      argentea Benth. Synonymy: Antennaria luzuloides var. argentea (Benth.) Gray

                                                      aromatica Evert

                                                      corymbosa E. Nels. Synonymy: Antennaria acuta Rydb. , Antennaria dioica var. corymbosa (E. Nels.) Jepson , Antennaria hygrophila Greene , Antennaria nardina Greene

                                                      densifolia Porsild Synonymy: Antennaria ellyae Porsild

                                                      dimorpha (Nutt.) Torr. & Gray Synonymy: Antennaria dimorpha var. integra Henderson , Antennaria dimorpha var. latisquama (Piper) M.E. Peck , Antennaria dimorpha var. macrocephala D.C. Eat. , Antennaria latisquama Piper , Antennaria macrocephala (D.C. Eat.) Rydb. , Gnaphalium dimorphum Nutt.

                                                      dioica (L.) Gaertn. Synonymy: Antennaria dioica var. hyperborea (D. Don) Greene , Antennaria hyperborea D. Don , Antennaria insularis Greene , Gnaphalium dioicum L.

                                                      X erigeroides Greene (pro sp.) [corymbosa X racemosa]

                                                      eucosma Fern. & Wieg.

                                                      flagellaris (Gray) Gray Synonymy: Antennaria dimorpha var. flagellaris Gray

                                                      X foliacea Greene (pro sp.) [microphylla X racemosa]

                                                      friesiana (Trautv.) Ekman

                                                        ssp. alaskana (Malte) Hultén Synonymy: Antennaria alaskana Malte

                                                        ssp. friesiana Synonymy: Antennaria alpina var. friesiana Trautv. , Antennaria angustifolia Ekman, non Rydb. , Antennaria ekmaniana Porsild

                                                        ssp. neoalaskana (Porsild) Bayer & Stebbins Synonymy: Antennaria neoalaskana Porsild

                                                      geyeri Gray Synonymy: Gnaphalium alienum Hook. & Arn.

                                                      howellii Greene

                                                        ssp. canadensis (Greene) Bayer Synonymy: Antennaria canadensis Greene , Antennaria neglecta var. randii (Fern.) Cronq. , Antennaria neodioica ssp. canadensis (Greene) Bayer & Stebbins , Antennaria neodioica var. randii (Fern.) Boivin , Antennaria randii Fern. , Antennaria spathulata (Fern.) Fern.

                                                        ssp. howellii Synonymy: Antennaria callilepis Greene , Antennaria eximia Greene , Antennaria neglecta ssp. howellii (Greene) Hultén , Antennaria neglecta var. howellii (Greene) Cronq. , Antennaria neodioica ssp. howellii (Greene) Bayer

                                                        ssp. neodioica (Greene) Bayer Synonymy: Antennaria grandis (Fern.) House , Antennaria neglecta var. attenuata (Fern.) Cronq. , Antennaria neglecta var. neodioica (Greene) Cronq. , Antennaria neodioica Greene , Antennaria neodioica var. attenuata Fern. , Antennaria neodioica var. chlorophylla Fern. , Antennaria neodioica var. grandis Fern. , Antennaria neodioica var. interjecta Fern. , Antennaria neodioica var. rupicola (Fern.) Fern. , Antennaria obovata E. Nels. , Antennaria rhodantha Fern. , Antennaria rupicola Fern. , Antennaria russellii Boivin

                                                        ssp. petaloidea (Fern.) Bayer Synonymy: Antennaria appendiculata Fern. , Antennaria concolor Piper , Antennaria neglecta var. petaloidea (Fern.) Cronq. , Antennaria neodioica ssp. petaloidea (Fern.) Bayer & Stebbins , Antennaria neodioica var. petaloidea Fern. , Antennaria pedicellata Greene , Antennaria petaloidea (Fern.) Fern. , Antennaria petaloidea var. scariosa Fern. , Antennaria petaloidea var. subcorymbosa (Fern.) Fern. , Antennaria stenolepis Greene

                                                      lanata (Hook.) Greene Synonymy: Antennaria carpathica var. lanata Hook.

                                                      luzuloides Torr. & Gray

                                                        ssp. aberrans (E. Nels.) Bayer & Stebbins Synonymy: Antennaria argentea ssp. aberrans E. Nels. , Antennaria luzuloides var. microcephala (Gray) Cronq. , Antennaria microcephala Gray , Antennaria pyramidata Greene

                                                        ssp. luzuloides Synonymy: Antennaria luzuloides var. oblanceolata (Rydb.) M.E. Peck , Antennaria oblanceolata Rydb.

                                                      X macounii Greene (pro sp.) [media X umbrinella]

                                                      marginata Greene Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Antennaria dioica var. marginata (Greene) Jepson , Antennaria fendleri Greene , Antennaria peramoena Greene

                                                      media Greene Synonymy: Antennaria alpina var. media (Greene) Jepson , Antennaria austromontana E. Nels. , Antennaria candida Greene , Antennaria densa Greene , Antennaria gormanii St. John , Antennaria modesta Greene , Antennaria mucronata E. Nels.

                                                      microphylla Rydb. Synonymy: Antennaria bracteosa Rydb. , Antennaria nitida Greene , Antennaria parvifolia sensu Greene, non Nutt. , Antennaria parvifolia var. bracteosa (Rydb.) A. Nels. , Antennaria rosea var. nitida (Greene) Breitung , Antennaria solstitialis Lunell

                                                      monocephala DC.

                                                        ssp. angustifolia (Greene) Hultén Synonymy: Antennaria alpina var. megacephala (Fern.) Hultén , Antennaria alpina var. megacephala (Fern.) Welsh , Antennaria angustata Greene , Antennaria burwellensis Malte , Antennaria congesta Malte , Antennaria fernaldiana Polunin , Antennaria friesiana var. megacephala (Fern.) Hultén , Antennaria hudsonica Malte , Antennaria megacephala Fern. , Antennaria monocephala ssp. angustata (Greene) Hultén , Antennaria pygmaea Fern. , Antennaria tansleyi Polunin , Antennaria tweedsmurii Polunin

                                                        ssp. monocephala Synonymy: Antennaria exilis Greene , Antennaria monocephala ssp. philonipha (Porsild) Hultén , Antennaria monocephala var. exilis (Greene) Hultén , Antennaria nitens Greene , Antennaria philonipha Porsild

                                                      neglecta Greene Synonymy: Antennaria angustiarum Lunell , Antennaria athabascensis Greene , Antennaria campestris Rydb. , Antennaria campestris var. athabascensis (Greene) Boivin , Antennaria chelonica Lunell , Antennaria erosa Greene , Antennaria howellii var. athabascensis (Greene) Boivin , Antennaria howellii var. campestris (Rydb.) Boivin , Antennaria longifolia Greene , Antennaria lunellii Greene , Antennaria nebraskensis Greene , Antennaria neglecta var. athabascensis (Greene) Taylor & MacBryde , Antennaria neglecta var. campestris (Rydb.) Steyermark , Antennaria parvula Greene , Antennaria wilsonii Greene

                                                      X oblancifolia E. Nels. (pro sp.) [racemosa X umbrinella]

                                                      parlinii Fern.

                                                        ssp. fallax (Greene) Bayer & Stebbins Present in the Texas flora and known locally as: Laregleaf pussytoes (Texas Distribution by vegetation zone) Synonymy: Antennaria ambigens (Greene) Fern. , Antennaria ampla Bush , Antennaria arkansana Greene , Antennaria arnoglossa var. ambigens Greene , Antennaria bifrons Greene , Antennaria brainerdii Greene , Antennaria calophylla Greene , Antennaria fallax Greene , Antennaria fallax var. calophylla (Greene) Fern. , Antennaria farwellii Greene , Antennaria greenei Bush , Antennaria mesochora Greene , Antennaria munda Fern. , Antennaria occidentalis Greene , Antennaria parlinii var. farwellii (Greene) Boivin , Antennaria plantaginifolia var. ambigens (Greene) Cronq. , Antennaria umbellata Greene

                                                        ssp. parlinii Synonymy: Antennaria arnoglossa Greene , Antennaria parlinii var. arnoglossa (Greene) Fern. , Antennaria plantaginifolia var. arnoglossa (Greene) Cronq.

                                                      parvifolia Nutt. Synonymy: Antennaria aprica Greene , Antennaria aprica var. minuscula (Boivin) Boivin , Antennaria aureola Lunell , Antennaria holmii Greene , Antennaria latisquamea Greene , Antennaria minuscula Boivin , Antennaria obtusata Greene , Antennaria pumila Greene , Antennaria recurva Greene , Antennaria rhodanthus Suksdorf

                                                      plantaginifolia (L.) Richards. Synonymy: Antennaria caroliniana Rydb. , Antennaria decipiens Greene , Antennaria denikeana Boivin , Antennaria nemoralis Greene , Antennaria petiolata Fern. , Antennaria pinetorum Greene , Antennaria plantaginifolia var. petiolata (Fern.) Heller , Gnaphalium plantaginifolium L.

                                                      pulchella Greene Synonymy: Antennaria alpina var. scabra (Greene) Jepson , Antennaria media ssp. ciliata E. Nels. , Antennaria scabra Greene

                                                      pulcherrima (Hook.) Greene Synonymy: Antennaria carpathica var. pulcherrima Hook. , Antennaria pulcherrima var. angustisquama Porsild , Antennaria pulcherrima var. sordida Boivin

                                                      racemosa Hook. Synonymy: Antennaria petasites Greene , Antennaria piperi Rydb.

                                                      rosea Greene

                                                        ssp. arida (E. Nels.) Bayer Synonymy: Antennaria arida E. Nels. , Antennaria arida ssp. viscidula E. Nels. , Antennaria scariosa E. Nels.

                                                        ssp. confinis (Greene) Bayer Synonymy: Antennaria albicans Fern. , Antennaria angustifolia Rydb. , Antennaria arida var. humilis (Rydb.) E. Nels. , Antennaria breitungii Porsild , Antennaria brevistyla Fern. (NOTE: Taxonomic placement not certain) , Antennaria concinna E. Nels. , Antennaria confinis Greene , Antennaria dioica var. kernensis Jepson , Antennaria elegans Porsild , Antennaria foliacea var. humilis Rydb. , Antennaria incarnata Porsild , Antennaria laingii Porsild , Antennaria leontopodioides Cody , Antennaria leuchippii M.P. Porsild , Antennaria rosea var. angustifolia (Rydb.) E. Nels. , Antennaria sedoides Greene , Antennaria sordida Greene , Antennaria straminea Fern. , Antennaria subviscosa Fern. , Antennaria tomentella E. Nels.

                                                        ssp. pulvinata (Greene) Bayer Synonymy: Antennaria affinis Fern. , Antennaria albescens (E. Nels.) Rydb. , Antennaria fusca E. Nels. , Antennaria gaspensis (Fern.) Fern. , Antennaria isolepis Greene , Antennaria maculata Greene , Antennaria manicouagana Landry , Antennaria neglecta var. gaspensis (Fern.) Cronq. , Antennaria neodioica var. gaspensis Fern. , Antennaria peasei Fern. , Antennaria pulvinata Greene , Antennaria pulvinata ssp. albescens E. Nels. , Antennaria sansonii Greene

                                                        ssp. rosea Synonymy: Antennaria acuminata Greene , Antennaria alborosea Porsild ex M.P. Porsild , Antennaria chlorantha Greene , Antennaria dioica var. rosea (Greene) D.C. Eat. , Antennaria formosa Greene , Antennaria hendersonii Piper , Antennaria imbricata E. Nels. , Antennaria lanulosa Greene , Antennaria neodioica var. chlorantha (Greene) Boivin , Antennaria oxyphylla Greene , Antennaria rosea ssp. divaricata E. Nels. , Antennaria rosea var. imbricata (E. Nels.) E. Nels. , Antennaria speciosa Greene

                                                      rosulata Rydb. Synonymy: Antennaria bakeri Greene , Antennaria sierrae-blancae Rydb.

                                                      X rousseaui Pors. (pro sp.) [?alpina X rosea]

                                                      soliceps Blake

                                                      solitaria Rydb. Synonymy: Antennaria monocephala (Torr. & Gray) Greene , Antennaria plantaginifolia var. monocephala Torr. & Gray

                                                      stenophylla (Gray) Gray Synonymy: Antennaria alpina var. stenophylla Gray , Antennaria leucophaea Piper

                                                      suffrutescens Greene

                                                      umbrinella Rydb. Synonymy: Antennaria aizoides Greene , Antennaria flavescens Rydb. , Antennaria reflexa E. Nels.

                                                      virginica Stebbins Synonymy: Antennaria neglecta var. argillicola (Stebbins) Cronq. , Antennaria virginica var. argillicola Stebbins

                                                      Anthemis L. - CHAMOMILE

                                                        altissima L. Synonymy: Cota altissima (L.) J. Gay

                                                        arvensis L.

                                                          var. agrestis (Wallr.) DC.

                                                          var. arvensis

                                                        austriaca Jacq.

                                                        cotula L. Present in the Texas flora and known locally as: Mayweed camomile, mayweed, dog-fennel, stinking chamomile (Texas Distribution by vegetation zone) Synonymy: Maruta cotula (L.) DC.

                                                        secundiramea Biv.

                                                        tinctoria L. Synonymy: Cota tinctoria (L.) J. Gay

                                                        Antheropeas Rydb. - EASTER-BONNETS

                                                          lanosum (Gray) Rydb. Synonymy: Eriophyllum lanosum (Gray) Gray

                                                          wallacei (Gray) Rydb. Synonymy: Eriophyllum wallacei (Gray) Gray , Eriophyllum wallacei ssp. australe (Rydb.) Wiggins , Eriophyllum wallacei var. calvescens Blake , Eriophyllum wallacei var. rubellum (Gray) Gray

                                                          Aphanostephus DC. - DOZEDAISY

                                                            pilosus Buckl. Present in the Texas flora and known locally as: Hairy lazydaisy (Texas Distribution by vegetation zone)

                                                            ramosissimus DC.

                                                              var. humilis (Benth.) B.L. Turner & Birdsong Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Aphanostephus arizonicus Gray , Aphanostephus humilis (Benth.) Gray , Aphanostephus potosinus Shinners , Leucopsidium humile Benth.

                                                              var. ramosissimus Present in the Texas flora and known locally as: Plains lazydaisy, Arizona lazydaisy (Texas Distribution by vegetation zone)

                                                            riddellii Torr. & Gray Present in the Texas flora and known locally as: Riddell lazydaisy (Texas Distribution by vegetation zone)

                                                            skirrhobasis (DC.) Trel.

                                                              var. kidderi (Blake) B.L. Turner Present in the Texas flora and known locally as: Kidder lazydaisy (Texas Distribution by vegetation zone) Synonymy: Aphanostephus kidderi Blake

                                                              var. skirrhobasis Present in the Texas flora and known locally as: Arkansas lazydaisy (Texas Distribution by vegetation zone) Synonymy: Keerlia skirrhobasis DC.

                                                              var. thalassius Shinners Present in the Texas flora and known locally as: Coast lazydaisy (Texas Distribution by vegetation zone)

                                                            Arctium L. - BURRDOCK

                                                              lappa L.

                                                              minus Bernh. Synonymy: Lappa minor Hill

                                                              X mixtum Nyman [minus X tomentosum]

                                                              X nothum (Ruhm.) Weiss [lappa X minus]

                                                              tomentosum P. Mill.

                                                              vulgare (Hill) Evans Synonymy: Arctium minus ssp. nemorosum (Lej. & Court.) Syme , Arctium nemorosum Lej. & Court.

                                                              Arctotheca J.C. Wendl.

                                                                calendula (L.) Levyns

                                                                Arctotis L. - AFRICAN-DAISY

                                                                  stoechadifolia Berg. Synonymy: Arctotis grandis Thunb. , Arctotis stoechadifolia var. grandis (Thunb.) Less.

                                                                  Argyranthemum Webb - DILLDAISY

                                                                    foeniculum (Willd.) Schultz-Bip. Synonymy: Argyranthemum anethifolium (Willd.) Webb , Pyrethrum anethifolium Willd.

                                                                    X Argyrautia Sherff

                                                                      X degeneri Sherff [Arygroxiphium grayanum X Dubautia laxa]

                                                                      Argyroxiphium DC. - SILVERSWORD

                                                                        caliginis Forbes

                                                                        grayanum (Hbd.) O. Deg. Synonymy: Wilkesia grayana Hbd.

                                                                        X kai (Forbes) Keck [caliginis X grayanum] Synonymy: Argyroxiphium caliginis var. kai Forbes

                                                                        kauense (Rock & Neal) O.& I. Deg. Listed by the U.S. FWS as endangered, the FWS local name is Ka`u silversword and the FWS range is: U.S.A. (HI). Listed on April 7, 1993 (Volume 58 Federal Register 18035). Synonymy: Argyroxiphium sandwicense var. kauense Rock & Neal

                                                                        sandwicense DC. Listed by the U.S. FWS as endangered, the FWS local name is `Ahinahina (=Mauna Kea silversword) and the FWS range is: U.S.A. (HI). Listed on March 21, 1986 (Volume 51 Federal Register 9820).

                                                                          ssp. macrocephalum (Gray) Mérat Listed by the U.S. FWS as endangered, the FWS local name is `Ahinahina (=Haleakala silversword) and the FWS range is: U.S.A. (HI). Listed on May 15, 1992 (Volume 57 Federal Register 20787). Synonymy: Argyroxiphium macrocephalum Gray

                                                                          ssp. sandwicense

                                                                        virescens Hbd. Synonymy: Argyroxiphium forbesii St. John

                                                                        Arnica L. - LEOPARDBANE

                                                                          acaulis (Walt.) B.S.P. Synonymy: Doronicum acaule Walt.

                                                                          alpina (L.) Olin

                                                                          amplexicaulis Nutt. Synonymy: Arnica amplexicaulis ssp. genuina Maguire , Arnica amplexicaulis ssp. prima (Maguire) Maguire , Arnica amplexicaulis var. piperi St. John & Warren , Arnica amplexicaulis var. prima (Maguire) Boivin , Arnica amplexifolia Rydb. , Arnica mollis var. aspera (Greene) Boivin

                                                                          angustifolia Vahl

                                                                            ssp. angustifolia Synonymy: Arnica alpina ssp. angustifolia (Vahl) Maguire , Arnica alpina ssp. attenuata (Greene) Maguire , Arnica alpina ssp. sornborgeri (Fern.) Maguire , Arnica alpina var. angustifolia (Vahl) Fern. , Arnica alpina var. attenuata (Greene) Ediger & Barkl. , Arnica alpina var. linearis Hultén , Arnica alpina var. plantaginea (Pursh) Ediger & Barkl. , Arnica alpina var. ungavensis Boivin , Arnica alpina var. vestita Hultén , Arnica angustifolia ssp. attenuata (Greene) G.W. Douglas , Arnica plantaginea Pursh , Arnica sornborgeri Fern. , Arnica terrae-novae Fern.

                                                                            ssp. tomentosa (Macoun) G.W. & G.R. Dougl. Synonymy: Arnica alpina ssp. tomentosa (Macoun) Maguire , Arnica alpina var. tomentosa (Macoun) Cronq. , Arnica tomentosa Macoun

                                                                          cernua T.J. Howell Synonymy: Arnica chandleri Rydb.

                                                                          chamissonis Less.

                                                                            ssp. chamissonis

                                                                              var. chamissonis Synonymy: Arnica chamissonis ssp. genuina Maguire

                                                                              var. interior Maguire

                                                                            ssp. foliosa (Nutt.) Maguire

                                                                              var. andina (Nutt.) Ediger & Barkl. Synonymy: Arnica chamissonis var. foliosa (Nutt.) Maguire , Arnica chamissonis var. jepsoniana Maguire , Arnica foliosa Nutt.

                                                                              var. bernardina (Greene) Maguire Synonymy: Arnica bernardina Greene

                                                                              var. incana (Gray) Hultén Synonymy: Arnica chamissonis ssp. incana (Gray) Maguire , Arnica foliosa var. incana Gray

                                                                              var. maguirei (A. Nels.) Maguire

                                                                          cordifolia Hook. Synonymy: Arnica cordifolia ssp. genuina Maguire , Arnica cordifolia var. humilis (Rydb.) Maguire , Arnica cordifolia var. pumila (Rydb.) Maguire , Arnica cordifolia var. whitneyi (Fern.) Maguire , Arnica hardinae St. John , Arnica humilis Rydb. , Arnica paniculata A. Nels. , Arnica whitneyi Fern.

                                                                          discoidea Benth. Synonymy: Arnica discoidea var. alata (Rydb.) Cronq. , Arnica discoidea var. eradiata (Gray) Cronq. , Arnica grayi Heller , Arnica parviflora Gray , Arnica parviflora ssp. alata (Rydb.) Maguire

                                                                          X diversifolia Greene (pro sp.) [amplexicaulis or mollis X cordifolia or latifolia]

                                                                          frigida C.A. Mey. ex Iljin

                                                                            ssp. frigida Synonymy: Arnica frigida var. glandulosa Boivin , Arnica griscomii ssp. frigida (C.A. Mey. ex Iljin) S.J. Wolf , Arnica louiseana ssp. frigida (C.A. Mey. ex Iljin) Maguire , Arnica louiseana var. brevifolia (Rydb.) Maguire , Arnica louiseana var. frigida (C.A. Mey. ex Iljin) Welsh , Arnica louiseana var. illiamnae (Rydb.) Maguire , Arnica louiseana var. mendenhallii (Rydb.) Maguire , Arnica louiseana var. pilosa Maguire , Arnica snyderi Raup

                                                                            ssp. griscomii (Fern.) S.R. Downie Synonymy: Arnica griscomii Fern. , Arnica louiseana ssp. griscomii (Fern.) Maguire , Arnica louiseana var. griscomii (Fern.) Boivin

                                                                          fulgens Pursh

                                                                          gracilis Rydb. Synonymy: Arnica latifolia var. gracilis (Rydb.) Cronq.

                                                                          lanceolata Nutt. Synonymy: Arnica mollis var. petiolaris Fern.

                                                                          latifolia Bong. Synonymy: Arnica latifolia var. angustifolia Herder

                                                                          lessingii (Torr. & Gray) Greene Synonymy: Arnica lessingii ssp. norbergii Hultén & Maguire

                                                                          lonchophylla Greene

                                                                            ssp. arnoglossa (Greene) Maguire Synonymy: Arnica arnoglossa Greene , Arnica lonchophylla var. arnoglossa (Greene) Boivin

                                                                            ssp. lonchophylla Synonymy: Arnica alpina ssp. lonchophylla (Greene) Taylor & MacBryde , Arnica alpina var. lonchophylla (Greene) Welsh , Arnica chionopappa Fern. , Arnica gaspensis Fern. , Arnica lonchophylla ssp. chionopappa (Fern.) Maguire

                                                                          longifolia D.C. Eat. Synonymy: Arnica longifolia ssp. genuina Maguire , Arnica longifolia ssp. myriadenia (Piper) Maguire

                                                                          louiseana Farr Synonymy: Arnica louiseana var. genuina Maguire

                                                                          mollis Hook. Synonymy: Arnica mollis var. silvatica (Greene) Maguire

                                                                          nevadensis Gray Synonymy: Arnica tomentella Greene

                                                                          parryi Gray

                                                                            ssp. parryi Synonymy: Arnica parryi ssp. genuina Maguire

                                                                            ssp. sonnei (Greene) Maguire Synonymy: Arnica parryi var. sonnei (Greene) Cronq. , Arnica sonnei Greene

                                                                          rydbergii Greene Synonymy: Arnica cascadensis St. John

                                                                          sororia Greene Synonymy: Arnica fulgens var. sororia (Greene) G.W. & G.R. Dougl.

                                                                          spathulata Greene Synonymy: Arnica cusickii Rydb. , Arnica spathulata ssp. eastwoodiae (Rydb.) Maguire , Arnica spathulata var. eastwoodiae (Rydb.) Ediger & Barkl.

                                                                          unalaschcensis Less.

                                                                          venosa Hall

                                                                          viscosa Gray Synonymy: Chrysopsis shastensis Jepson

                                                                          Arnoglossum Raf. - INDIAN-PLANTAIN

                                                                            atriplicifolium (L.) H.E. Robins. Synonymy: Cacalia atriplicifolia L. , Cacalia rotundifolia (Raf.) House , Mesadenia atriplicifolia (L.) Raf.

                                                                            diversifolium (Torr. & Gray) H.E. Robins. Synonymy: Cacalia diversifolia Torr. & Gray , Mesadenia diversifolia (Torr. & Gray) Greene

                                                                            floridanum (Gray) H.E. Robins. Synonymy: Cacalia floridana Gray , Mesadenia floridana (Gray) Greene

                                                                            muehlenbergii (Schultz-Bip.) H.E. Robins. Synonymy: Arnoglossum reniforme (Hook.) H.E. Robins. , Cacalia muehlenbergii (Schultz-Bip.) Fern. , Cacalia reniformis Muhl. ex Willd., non Lam. , Mesadenia reniformis Raf. , Senecio muehlenbergii Schultz-Bip.

                                                                            ovatum (Walt.) H.E. Robins. Present in the Texas flora (treated as Cacalia ovata Walt. by Hatch et al, 1990) and known locally as: Lanceleaf indian plantain (Texas Distribution by vegetation zone) Synonymy: Cacalia elliottii (Harper) Shinners , Cacalia lanceolata Nutt. , Cacalia lanceolata var. elliottii (Harper) Kral & R.K. Godfrey , Cacalia lanceolata var. virescens (Harper) Shinners , Cacalia ovata Walt. , Mesadenia elliottii Harper , Mesadenia lanceolata (Nutt.) Raf. , Mesadenia lanceolata var. virescens Harper , Mesadenia maxima Harper

                                                                            plantagineum Raf. Present in the Texas flora (treated as Cacalia plantaginea (Raf.) Shinners by Hatch et al, 1990) and known locally as: Groovestem indian plantain (Texas Distribution by vegetation zone) Synonymy: Cacalia paniculata Raf. , Cacalia plantaginea (Raf.) Shinners , Cacalia pteranthes Raf. , Cacalia tuberosa Nutt. , Mesadenia tuberosa (Nutt.) Britt.

                                                                            sulcatum (Fern.) H.E. Robins. Synonymy: Cacalia sulcata Fern. , Mesadenia sulcata (Fern.) Harper

                                                                            Arnoseris Gaertn. - LAMB-SUCCORY

                                                                              minima (L.) Schweig. & Koerte Synonymy: Hyoseris minima L.

                                                                              Artemisia L. - SAGEBRUSH AND WORMWOOD

                                                                                abrotanum L. Synonymy: Artemisia procera Willd.

                                                                                absinthium L.

                                                                                  var. absinthium

                                                                                  var. insipida Stechmann

                                                                                alaskana Rydb. Synonymy: Artemisia tyrellii Rydb.

                                                                                aleutica Hultén

                                                                                annua L.

                                                                                arbuscula Nutt.

                                                                                  ssp. arbuscula Synonymy: Artemisia tridentata ssp. arbuscula (Nutt.) Hall & Clements , Seriphidium arbusculum (Nutt.) W.A. Weber

                                                                                  ssp. longicaulis Winward & McArthur

                                                                                  ssp. longiloba (Osterhout) L. Shultz Synonymy: Artemisia arbuscula var. longiloba (Osterhout) Dorn , Artemisia longiloba (Osterhout) Beetle , Artemisia spiciformis var. longiloba Osterhout , Seriphidium arbusculum ssp. longilobum (Osterhout) W.A. Weber

                                                                                  ssp. thermopola Beetle

                                                                                arctica Less.

                                                                                  ssp. arctica Synonymy: Artemisia norvegica ssp. saxatilis (Bess.) Hall & Clements , Artemisia norvegica var. saxatilis (Bess.) Jepson

                                                                                  ssp. beringensis (Hultén) Hult‚n Synonymy: Artemisia arctica var. beringensis Hultén

                                                                                  ssp. comata (Rydb.) Hultén Synonymy: Artemisia comata Rydb. , Artemisia norvegica var. comata (Rydb.) Welsh

                                                                                  ssp. saxicola (Rydb.) Hultén Synonymy: Artemisia norvegica var. piceetorum Welsh & Goodrich

                                                                                australis Less. Synonymy: Artemisia hillebrandii Skottsberg

                                                                                biennis Willd.

                                                                                  var. biennis

                                                                                  var. diffusa Dorn

                                                                                bigelovii Gray Present in the Texas flora and known locally as: Bigelow sagewort (Texas Distribution by vegetation zone)

                                                                                californica Less.

                                                                                campestris L.

                                                                                  ssp. borealis (Pallas) Hall & Clements

                                                                                    var. borealis (Pallas) M.E. Peck Synonymy: Artemisia borealis Pallas , Artemisia borealis var. latisecta Fern. , Artemisia campestris ssp. canadensis (Michx.) Scoggan , Artemisia campestris var. canadensis (Michx.) Welsh , Artemisia canadensis Michx. , Artemisia richardsoniana Bess. , Artemisia spithamea Pursh

                                                                                    var. petiolata Welsh

                                                                                    var. purshii (Hook.) Cronq. Synonymy: Artemisia borealis ssp. purshii (Hook.) Hultén , Artemisia borealis var. purshii Hook. , Oligosporus groenlandicus (Hornem.) A.& D. Löve

                                                                                    var. scouleriana (Hook.) Cronq. Synonymy: Artemisia ripicola Rydb.

                                                                                    var. wormskioldii (Bess. ex Hook.) Cronq.

                                                                                  ssp. campestris Synonymy: Oligosporus campestris (L.) Cass.

                                                                                  ssp. caudata (Michx.) Hall & Clements Present in the Texas flora and known locally as: Threadleaf sagewort (Texas Distribution by vegetation zone) Synonymy: Artemisia campestris var. caudata (Michx.) Palmer & Steyermark , Artemisia caudata Michx. , Artemisia caudata var. calvens Lunell , Artemisia forwoodii S. Wats. , Oligosporus campestris ssp. caudatus (Michx.) W.A. Weber

                                                                                  ssp. pacifica (Nutt.) Hall & Clements Synonymy: Artemisia campestris var. douglasiana (Bess.) Boivin , Artemisia campestris var. pacifica (Nutt.) M.E. Peck , Artemisia campestris var. strutzia Welsh , Artemisia camporum Rydb. , Artemisia pacifica Nutt. , Oligosporus campestris ssp. pacificus (Nutt.) W.A. Weber

                                                                                cana Pursh

                                                                                  ssp. bolanderi (Gray) G.H. Ward Synonymy: Artemisia bolanderi Gray , Artemisia tridentata ssp. bolanderi (Gray) Hall & Clements , Artemisia tridentata var. bolanderi (Gray) McMinn , Seriphidium canum ssp. bolanderi (Gray) W.A. Weber

                                                                                  ssp. cana Synonymy: Seriphidium canum (Pursh) W.A. Weber

                                                                                  ssp. viscidula (Osterhout) Beetle Synonymy: Artemisia argilosa Beetle , Artemisia cana var. viscidula Osterhout , Seriphidium canum ssp. viscidulum (Osterhout) W.A. Weber

                                                                                carruthii Wood ex Carruth. Present in the Texas flora and known locally as: Carruther sagewort (Texas Distribution by vegetation zone) Synonymy: Artemisia carruthii var. wrightii (Gray) Blake , Artemisia kansana Britt.

                                                                                douglasiana Bess. Synonymy: Artemisia vulgaris var. douglasiana (Bess.) St. John

                                                                                dracunculus L. Present in the Texas flora and known locally as: False-tarragon sagewort (Texas Distribution by vegetation zone)

                                                                                  ssp. dracunculus Synonymy: Artemisia dracunculoides Pursh , Artemisia dracunculoides var. dracunculina (S. Wats.) Blake , Artemisia glauca var. dracunculina (S. Wats.) Fern. , Oligosporus dracunculus (L.) Poljakov , Oligosporus dracunculus ssp. dracunculinus (S. Wats.) W.A. Weber

                                                                                  ssp. glauca (Pallas ex Willd.) Hall & Clements Synonymy: Artemisia dracunculus var. glauca (Pallas ex Willd.) Bess. , Artemisia glauca Pallas ex Willd. , Oligosporus dracunculus ssp. glaucus (Pallas ex Willd.) A.& D. Löve

                                                                                filifolia Torr. Present in the Texas flora and known locally as: Sand sagewort (Texas Distribution by vegetation zone) Synonymy: Oligosporus filifolius (Torr.) W.A. Weber

                                                                                franserioides Greene

                                                                                frigida Willd. Present in the Texas flora and known locally as: Fringed sagewort, estafiata, prairie sagewort (Texas Distribution by vegetation zone)

                                                                                furcata Bieb.

                                                                                  var. furcata Synonymy: Artemisia hyperborea Rydb. , Artemisia tacomensis Rydb. , Artemisia trifurcata Steph. ex Spreng.

                                                                                  var. heterophylla (Bess.) Hultén Synonymy: Artemisia heterophylla Bess.

                                                                                globularia Cham. ex Bess. Synonymy: Artemisia flava Jurtzev , Artemisia globularia var. lutea Hultén

                                                                                glomerata Ledeb.

                                                                                  var. glomerata

                                                                                  var. subglabrata Hultén

                                                                                hookeriana Bess.

                                                                                kauaiensis (Skottsberg) Skottsberg Synonymy: Artemisia hillebrandii var. kauaiensis Skottsberg

                                                                                krushiana Bess.

                                                                                laciniata Willd. Synonymy: Artemisia laciniatiformis Komarov

                                                                                lindleyana Bess. Synonymy: Artemisia prescottiana Bess.

                                                                                longifolia Nutt.

                                                                                ludoviciana Nutt. Present in the Texas flora and known locally as: Louisiana sagewort (Texas Distribution by vegetation zone)

                                                                                  ssp. albula (Woot.) Keck Synonymy: Artemisia albula Woot. , Artemisia ludoviciana var. albula (Woot.) Shinners

                                                                                  ssp. candicans (Rydb.) Keck Synonymy: Artemisia candicans Rydb. , Artemisia ludoviciana var. latiloba Nutt.

                                                                                  ssp. estesii Chambers

                                                                                  ssp. incompta (Nutt.) Keck Synonymy: Artemisia incompta Nutt. , Artemisia ludoviciana var. incompta (Nutt.) Cronq.

                                                                                  ssp. ludoviciana Synonymy: Artemisia diversifolia Rydb. , Artemisia gnaphalodes Nutt. , Artemisia herriotii Rydb. , Artemisia ludoviciana ssp. typica Keck , Artemisia ludoviciana var. americana (Bess.) Fern. , Artemisia ludoviciana var. brittonii (Rydb.) Fern. , Artemisia ludoviciana var. gnaphalodes (Nutt.) Torr. & Gray , Artemisia ludoviciana var. latifolia (Bess.) Torr. & Gray , Artemisia ludoviciana var. pabularis (A. Nels.) Fern. , Artemisia pabularis (A. Nels.) Rydb. , Artemisia purshiana Bess. , Artemisia vulgaris ssp. ludoviciana (Nutt.) Hall & Clements , Artemisia vulgaris var. ludoviciana (Nutt.) Kuntze

                                                                                  ssp. mexicana (Willd. ex Spreng.) Keck Synonymy: Artemisia ludoviciana var. mexicana (Willd. ex Spreng.) Gray , Artemisia mexicana Willd. ex Spreng. , Artemisia neomexicana Greene ex Rydb. , Artemisia vulgaris var. mexicana (Willd. ex Spreng.) Torr. & Gray

                                                                                  ssp. redolens (Gray) Keck Synonymy: Artemisia ludoviciana var. redolens (Gray) Shinners , Artemisia redolens Gray

                                                                                  ssp. sulcata (Rydb.) Keck Synonymy: Artemisia sulcata Rydb.

                                                                                macrobotrys Ledeb.

                                                                                mauiensis (Gray) Skottsberg Synonymy: Artemisia mauiensis var. diffusa Skottsberg

                                                                                michauxiana Bess. Synonymy: Artemisia vulgaris ssp. michauxiana (Bess.) St. John

                                                                                nesiotica Raven Synonymy: Artemisia californica var. insularis (Rydb.) Munz

                                                                                nova A. Nels.

                                                                                  var. duchesnicola Welsh & Goodrich

                                                                                  var. nova Synonymy: Artemisia arbuscula ssp. nova (A. Nels.) G.H. Ward , Artemisia arbuscula var. nova (A. Nels.) Cronq. , Artemisia tridentata ssp. nova (A. Nels.) Hall & Clements , Seriphidium novum (A. Nels.) W.A. Weber

                                                                                packardiae J. Grimes & Ertter

                                                                                palmeri Gray

                                                                                papposa Blake & Cronq.

                                                                                parryi Gray Synonymy: Artemisia laciniata ssp. parryi (Gray) W.A. Weber

                                                                                pattersonii Gray

                                                                                pedatifida Nutt. Synonymy: Oligosporus pedatifidus (Nutt.) Poljakov

                                                                                pontica L.

                                                                                porteri Cronq.

                                                                                pycnocephala (Less.) DC.

                                                                                pygmaea Gray Synonymy: Seriphidium pygmaeum (Gray) W.A. Weber

                                                                                rigida (Nutt.) Gray Synonymy: Artemisia trifida var. rigida Nutt. , Seriphidium rigidum (Nutt.) W.A. Weber

                                                                                rothrockii Gray Synonymy: Artemisia tridentata ssp. rothrockii (Gray) Hall & Clements , Artemisia tridentata var. rothrockii (Gray) McMinn , Seriphidium rothrockii (Gray) W.A. Weber

                                                                                rupestris L.

                                                                                  ssp. rupestris

                                                                                  ssp. woodii Neilson Synonymy: Artemisia frigida var. williamsiae Welsh

                                                                                scoparia Waldst. & Kit.

                                                                                scopulorum Gray

                                                                                senjavinensis Bess.

                                                                                serrata Nutt.

                                                                                spinescens D.C. Eat. Synonymy: Picrothamnus desertorum Nutt.

                                                                                stelleriana Bess.

                                                                                suksdorfii Piper

                                                                                tilesii Ledeb.

                                                                                  ssp. elatior (Torr. & Gray) Hultén Synonymy: Artemisia elatior (Torr. & Gray) Rydb. , Artemisia tilesii var. elatior Torr. & Gray

                                                                                  ssp. gormanii (Rydb.) Hultén Synonymy: Artemisia gormanii Rydb.

                                                                                  ssp. tilesii

                                                                                  ssp. unalaschcensis (Bess.) Hultén Synonymy: Artemisia tilesii var. unalaschcensis Bess.

                                                                                tridentata Nutt.

                                                                                  ssp. parishii (Gray) Hall & Clements Synonymy: Artemisia tridentata var. parishii (Gray) Jepson , Seriphidium tridentatum ssp. parishii (Gray) W.A. Weber

                                                                                  ssp. spiciformis (Osterhout) Kartesz & Gandhi Synonymy: Artemisia spiciformis Osterhout

                                                                                  ssp. tridentata Synonymy: Artemisia angusta Rydb. , Artemisia tridentata var. angustifolia Gray , Seriphidium tridentatum (Nutt.) W.A. Weber

                                                                                  ssp. vaseyana (Rydb.) Beetle Synonymy: Artemisia tridentata var. pauciflora Winward & Goodrich , Artemisia tridentata var. vaseyana (Rydb.) Boivin , Artemisia vaseyana Rydb. , Seriphidium tridentatum ssp. vaseyanum (Rydb.) W.A. Weber , Seriphidium vaseyanum (Rydb.) W.A. Weber

                                                                                  ssp. wyomingensis Beetle & Young Synonymy: Artemisia tridentata var. wyomingensis (Beetle & Young) Welsh , Seriphidium tridentatum ssp. wyomingense (Beetle & Young) W.A. Weber

                                                                                  ssp. xericensis Winward ex R. Rosentreter & R. Kelsey

                                                                                tripartita Rydb.

                                                                                  ssp. rupicola Beetle Synonymy: Artemisia tripartita var. rupicola (Beetle) Dorn

                                                                                  ssp. tripartita Synonymy: Artemisia tridentata ssp. trifida (Nutt.) Hall & Clements , Artemisia trifida Nutt. , Seriphidium tripartitum (Rydb.) W.A. Weber

                                                                                umbelliformis Lam. Synonymy: Artemisia laxa (Lam.) Fritsch

                                                                                vulgaris L.

                                                                                  var. glabra Ledeb.

                                                                                  var. kamtschatica Bess.

                                                                                  var. selengensis (Turcz. ex Bess.) Maxim. Synonymy: Artemisia selengensis Turcz. ex Bess. , Artemisia tilesii var. aleutica (Hultén) Welsh , Artemisia unalaskensis Rydb. , Artemisia unalaskensis var. aleutica Hultén

                                                                                  var. latiloba Ledeb.

                                                                                  var. vulgaris

                                                                                Aster L. - ASTER

                                                                                  adnatus Nutt. Synonymy: Lasallea adnata (Nutt.) Semple & Brouillet , Symphyotrichum adnatum (Nutt.) Nesom , Virgulus adnatus (Nutt.) Reveal & Keener

                                                                                  alpinus L.

                                                                                    var. vierhapperi (Onno) Cronq. Synonymy: Aster alpinus ssp. vierhapperi Onno

                                                                                  X amethystinus Nutt. (pro sp.) [ericoides X novae-angliae] Synonymy: Lasallea X amethystina (Nutt.) Semple & Brouillet , Symphyotrichum X amethystinum (Nutt.) Nesom , Virgulus X amethystinus (Nutt.) Reveal & Keener

                                                                                  anomalus Engelm. Synonymy: Symphyotrichum anomalum (Engelm.) Nesom

                                                                                  anticostensis Fern. Synonymy: Symphyotrichum anticostense (Fern.) Nesom

                                                                                  ascendens Lindl. Synonymy: Aster adscendens Lindl. , Aster chilensis ssp. adscendens (Lindl.) Cronq. , Aster macounii Rydb. , Aster subgriseus Rydb. , Symphyotrichum ascendens (Lindl.) Nesom , Virgulaster ascendens (Lindl.) Semple

                                                                                  avitus Alexander Synonymy: Eurybia avita (Alexander) Nesom

                                                                                  X batesii Rydb. (pro sp.) [ericoides X oblongifolius] Synonymy: Symphyotrichum X batesii (Rydb.) Nesom

                                                                                  behringensis Gandog. (NOTE: Presence in the North American flora not certain. Please contact BONAP if vouchered records are available.)

                                                                                  borealis (Torr. & Gray) Prov. Synonymy: Aster franklinianus Rydb. , Aster junceus auct. non Ait. , Aster junciformis Rydb. , Aster laxifolius var. borealis Torr. & Gray , Symphyotrichum boreale (Torr. & Gray) A.& D. Löve

                                                                                  bracei Britt. ex Small Synonymy: Aster tenuifolius var. aphyllus R.W. Long , Symphyotrichum bracei (Britt. ex Small) Nesom

                                                                                  bracteolatus Nutt. Synonymy: Symphyotrichum bracteolatum (Nutt) Nesom

                                                                                  campestris Nutt.

                                                                                    var. bloomeri (Gray) Gray Synonymy: Aster bloomeri Gray , Symphyotrichum campestre var. bloomeri (Nutt.) Nesom

                                                                                    var. campestris Synonymy: Symphyotrichum campestre (Nutt.) Nesom , Virgulus campestris (Nutt.) Reveal & Keener

                                                                                  chapmanii Torr. & Gray Synonymy: Eurybia chapmanii (Torr. & Gray) Nesom

                                                                                  chilensis Nees

                                                                                    var. chilensis Synonymy: Symphyotrichum chilense (Nees) Nesom

                                                                                    var. invenustus (Greene) Jepson Synonymy: Aster invenustus Greene , Symphyotrichum chilense var. invenustum (Greene) Nesom

                                                                                    var. medius Jepson Synonymy: Symphyotrichum chilense var. medium (Jepson) Nesom

                                                                                  chlorolepis Burgess Synonymy: Aster divaricatus var. chlorolepis (Burgess) Ahles , Eurybia chlorolepis (Burgess) Nesom

                                                                                  ciliolatus Lindl.

                                                                                    var. ciliolatus Synonymy: Aster lindleyanus Torr. & Gray , Aster saundersii Burgess , Symphyotrichum ciliolatum (Lindl.) A.& D. Löve

                                                                                    var. comatus (Fern.) A.G. Jones Synonymy: Symphyotrichum ciliolatum var. comatum (Fern.) Nesom

                                                                                    var. maccallae (Rydb.) A.G. Jones Synonymy: Aster maccallae Rydb. , Symphyotrichum ciliolatum var. maccallae (Rydb.) Nesom

                                                                                    var. wilsonii (Rydb.) A.G. Jones Synonymy: Aster wilsonii Rydb. , Symphyotrichum ciliolatum var. wilsonii (Rydb.) Nesom

                                                                                  X columbianus Piper (pro sp.) [campestris X ericoides] Synonymy: Symphyotrichum X columbianum (Piper) Nesom

                                                                                  concolor L. Synonymy: Aster concolor var. simulatus (Small) R.W. Long , Aster plumosus Small , Aster simulatus Small , Lasallea concolor (L.) Semple & Brouillet , Virgulus concolor (L.) Reveal & Keener , Symphyotrichum concolor (L.) Nesom

                                                                                  conspicuus Lindl. Synonymy: Eurybia conspicua (Lindl.) Nesom

                                                                                  X cordalenus Henderson (pro sp.) [hendersonii X occidentalis] (NOTE: Presence in the North American flora not certain. Please contact BONAP if vouchered records are av

                                                                                  cordifolius L.

                                                                                    var. cordifolius Synonymy: Symphyotrichum cordifolium (L.) Nesom

                                                                                    var. furbishiae Fern. Synonymy: Symphyotrichum cordifolium var. furbishiae (Fern.) Nesom

                                                                                    var. laevigatus Porter Synonymy: Aster cordifolius ssp. laevigatus (Porter) A.G. Jones , Aster lowrieanus Porter , Aster plumarius Burgess , Symphyotrichum lowrieanum (Porter) Nesom

                                                                                    var. lanceolatus Porter Synonymy: Aster cordifolius var. incisus Britt. , Aster lowrieanus var. incisus (Britt.) Porter , Aster lowrieanus var. lanceolatus Porter , Symphyotrichum cordifolium var. lanceolatum (Porter) Nesom

                                                                                    var. polycephalus Porter Synonymy: Symphyotrichum cordifolium var. polycephalum (Porter) Nesom

                                                                                    var. racemiflorus Fern. Synonymy: Symphyotrichum cordifolium var. racemiflorum (Fern.) Nesom

                                                                                    var. sagittifolius (Wedemeyer ex Willd.) A.G. Jones Synonymy: Aster cordifolius ssp. sagittifolius (Wedemeyer ex Willd.) A.G. Jones , Aster cordifolius var. moratus (Shinners) Shinners , Aster finkii var. moratus Shinners , Aster sagittifolius Wedemeyer ex Willd. , Symphyotrichum cordifolium var. moratum (Shinners) Nesom , Symphyotrichum sagittifolium (Wedemeyer ex Willd.) Nesom

                                                                                  cusickii Gray Synonymy: Aster foliaceus var. cusickii (Gray) Cronq. , Symphyotrichum cusickii (Gray) Nesom

                                                                                  defoliatus Parish Synonymy: Aster bernardinus Hall , Aster deserticola J.F. Macbr. , Symphyotrichum defoliatum (Parish) Nesom , Virgulaster bernardinus (Hall) Semple

                                                                                  depauperatus Fern. Synonymy: Aster ericoides var. pusillus Gray , Aster pilosus var. pusillus (Gray) A.G. Jones , Symphyotrichum depauperatum (Fern.) Nesom

                                                                                  divaricatus L. Synonymy: Aster boykinii Burgess , Aster carmesinus Burgess , Aster castaneus Burgess , Aster claytonii Burgess , Aster excavatus Burgess , Aster flexilis Burgess , Aster stilettiformis Burgess , Aster tenebrosus Burgess , Eurybia divaricata (L.) Nesom

                                                                                  drummondii Lindl.

                                                                                    var. drummondii Synonymy: Aster finkii Rydb. , Aster sagittifolius var. drummondii (Lindl.) Shinners , Symphyotrichum drummondii (Lindl.) Nesom , Symphyotrichum X finkii (Rydb.) Nesom

                                                                                    var. parviceps (Shinners) A.G. Jones Present in the Texas flora (treated as Aster drummondii Lindl. ssp. parviceps (Shinners) A. Jones by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Aster drummondii ssp. parviceps (Shinners) A.G. Jones , Aster texanus var. parviceps Shinners , Symphyotrichum drummondii var. parviceps (Shinners) Nesom

                                                                                    var. texanus (Burgess) A.G. Jones Present in the Texas flora (treated as Aster drummondii Lindl. ssp. texanus (Burgess) A. Jones by Hatch et al, 1990) and known locally as: Texas aster (Texas Distribution by vegetation zone) Synonymy: Aster drummondii ssp. texanus (Burgess) A.G. Jones , Aster texanus Burgess , Symphyotrichum drummondii var. texanum (Burgess) Nesom

                                                                                  dumosus L. Present in the Texas flora and known locally as: Bushy aster (Texas Distribution by vegetation zone)

                                                                                    var. dodgei Fern. Synonymy: Symphyotrichum dumosum var. dodgei (Fern.) Nesom

                                                                                    var. dumosus Synonymy: Aster coridifolius Michx. , Aster dumosus var. coridifolius (Michx.) Torr. & Gray , Aster dumosus var. gracilentus Torr. & Gray , Aster pinifolius Alexander, non Nees , Symphyotrichum dumosum (L.) Nesom

                                                                                    var. gracilipes Wieg. Synonymy: Aster gracilipes (Wieg.) Alexander , Symphyotrichum dumosum var. gracilipes (Wieg.) Nesom

                                                                                    var. pergracilis Wieg. Synonymy: Symphyotrichum dumosum var. peragracile (Wieg.) Nesom

                                                                                    var. strictior Torr. & Gray Synonymy: Symphyotrichum dumosum var. strictior (Torr. & Gray) Nesom

                                                                                    var. subulifolius Torr. & Gray Synonymy: Symphyotrichum dumosum var. subulifolium (Torr. & Gray) Nesom

                                                                                  eatonii (Gray) T.J. Howell Synonymy: Aster foliaceus var. eatonii Gray , Aster mearnsii Rydb. , Aster oregonus auct. non (Nutt.) Torr. & Gray

                                                                                  ericoides L. Present in the Texas flora and known locally as: Heath aster (Texas Distribution by vegetation zone)

                                                                                    var. ericoides Synonymy: Aster multiflorus Ait. , Aster multiflorus var. exiguus Fern. , Aster polycephalus Rydb. , Lasallea ericoides (L.) Semple & Brouillet , Symphyotrichum ericoides (L.) Nesom , Virgulus ericoides (L.) Reveal & Keener

                                                                                    var. prostratus (Kuntze) Blake Synonymy: Aster exiguus Rydb. , Aster multiflorus var. prostratus Kuntze , Symphyotrichum ericoides var. prostratum (Kuntze) Nesom

                                                                                    var. pansus (Blake) Boivin Synonymy: Aster ericoides ssp. pansus (Blake) A.G. Jones , Aster multiflorus var. pansus Blake , Aster pansus (Blake) Cronq. , Symphyotrichum ericoides var. pansum (Blake) Nesom

                                                                                    var. stricticaulis (Torr. & Gray) F.C. Gates Synonymy: Aster multiflorus var. stricticaulis Torr. & Gray , Aster stricticaulis (Torr. & Gray) Rydb. , Symphyotrichum ericoides var. stricticaule (Torr. & Gray) Nesom

                                                                                  eryngiifolius Torr. & Gray Synonymy: Eurybia eryngiifolia (Torr. & Gray) Nesom

                                                                                  X eulae Shinners (pro sp.) [lanceolatus X praealtus] (NOTE: Presence in the North American flora not certain. Please contact BONAP if vouchered records are available.) Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Symphyotrichum eulae (Shinners) Nesom

                                                                                  falcatus Lindl.

                                                                                    var. commutatus (Torr. & Gray) A.G. Jones Present in the Texas flora (treated as Aster falcatus Lindl. ssp. commutatus (Gray) A. Jones by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Aster commutatus (Torr. & Gray) Gray , Aster commutatus var. polycephalus Blake, non Aster polycephalus Rydb. , Aster cordineri A. Nels. , Aster ericoides var. commutatus (Torr. & Gray) Boivin p.p. , Aster falcatus ssp. commutatus (Torr. & Gray) A.G. Jones , Aster multiflorus var. commutatus Torr. & Gray , Aster nahanniensis Cody , Symphyotrichum falcatum var. commutatum (Torr. & Gray) Cody

                                                                                    var. crassulus (Rydb.) Cronq. Synonymy: Aster adsurgens auct. non Greene , Aster commutatus var. crassulus (Rydb.) Blake , Aster crassulus Rydb. , Symphyotrichum falcatum var. crassulum (Rydb.) Nesom

                                                                                    var. falcatus Synonymy: Aster elegantulus Porsild , Aster ericoides var. commutatus (Torr. & Gray) Boivin p.p. , Aster ramulosus Lindl. , Lasallea falcata (Lindl.) Semple & Brouillet , Symphyotrichum falcatum (Lindl.) Nesom , Virgulus falcatus (Lindl.) Reveal & Keener

                                                                                  fendleri Gray Present in the Texas flora and known locally as: Fendler aster (Texas Distribution by vegetation zone) Synonymy: Symphyotrichum fendleri (Gray) Nesom , Virgulus fendleri (Gray) Reveal & Keener

                                                                                  foliaceus Lindl. ex DC.

                                                                                    var. apricus Gray Synonymy: Aster apricus (Gray) Rydb. , Aster subspicatus var. apricus (Gray) Boivin , Symphyotrichum foliaceum var. apricum (Gray) Nesom

                                                                                    var. canbyi Gray Synonymy: Aster foliaceus var. burkei Gray , Aster phyllodes Rydb. , Aster tweedyi Rydb. , Symphyotrichum foliaceum var. canbyi (Gray) Nesom

                                                                                    var. foliaceus Synonymy: Aster foliaceus var. sublinearis D.C. Eat. & Grisc. , Symphyotrichum foliaceum (DC.) Nesom

                                                                                    var. parryi (D.C. Eat.) Gray Synonymy: Aster ascendens var. parryi D.C. Eat. , Aster diabolicus Piper , Aster foliaceus var. frondeus Gray , Aster foliaceus var. subpetiolatus Fern. , Aster frondeus (Gray) Greene , Symphyotrichum foliaceum var. parryi (D.C. Eat.) Nesom

                                                                                  fontinalis Alexander Synonymy: Aster patens var. floridanus R.W. Long , Symphyotrichum fontinale (Alexander) Nesom

                                                                                  fragilis Willd.

                                                                                    var. brachypholis (Small) A.G. Jones Synonymy: Aster brachypholis Small

                                                                                    var. fragilis Synonymy: Aster vimineus auct. non Lam.

                                                                                    var. subdumosus (Wieg.) A.G. Jones Synonymy: Aster vimineus var. subdumosus Wieg. , Symphyotrichum racemosum var. subdumosum (Wieg.) Nesom

                                                                                  furcatus Burgess Synonymy: Eurybia furcata (Burgess) Nesom

                                                                                  georgianus Alexander Synonymy: Aster patens var. georgianus (Alexander) Cronq. , Symphyotrichum georgianum (Alexander) Nesom , Virgulus georgianus (Alexander) Semple , Virgulus patens var. georgianus (Alexander) Reveal & Keener

                                                                                  glaucodes Blake

                                                                                    var. formosus (Greene) Kittell Synonymy: Eucephalus formosus Greene

                                                                                    var. glaucodes Synonymy: Aster glaucus Torr. & Gray, non Nees , Eucephalus glaucus Nutt. , Eurybia glauca (Nutt.) Nesom

                                                                                  gracilis Nutt. Synonymy: Eurybia compacta Nesom

                                                                                  grandiflorus L. Synonymy: Lasallea grandiflora (L.) Semple & Brouillet , Symphyotrichum grandiflorum (L.) Nesom , Virgulus grandiflorus (L.) Reveal & Keener

                                                                                  X gravesii Burgess (pro sp.) [dumosus X laevis] Synonymy: Symphyotrichum X gravesii (Burgess) Nesom

                                                                                  greatae Parish Synonymy: Symphyotrichum greatae (Parish) Nesom

                                                                                  hallii Gray Synonymy: Aster chilensis ssp. hallii (Gray) Cronq. , Symphyotrichum hallii (Gray) Nesom

                                                                                  hendersonii Fern. Synonymy: Aster cusickii var. lyallii Gray , Aster foliaceus var. lyallii (Gray) Cronq. , Symphyotrichum hendersonii (Fern.) Nesom

                                                                                  X herveyi Gray (pro sp.) [macrophyllus X spectabilis] Synonymy: Aster commixtus auct. non (Nees) Kuntze , Eurybia commixta auct. non Nees , Eurybia X herveyi (Gray) Nesom

                                                                                  integrifolius Nutt. Synonymy: Eurybia integrifolia (Nutt.) Nesom

                                                                                  jessicae Piper Synonymy: Symphyotrichum jessicae (Piper) Nesom

                                                                                  jonesiae Lamboy Synonymy: Eurybia jonesiae (Lamboy) Nesom

                                                                                  laevis L.

                                                                                    var. concinnus (Willd.) House Synonymy: Aster concinnus Willd. , Symphyotrichum laeve var. concinnum (Willd.) Nesom

                                                                                    var. geyeri Gray Present in the Texas flora (treated as Aster laevis L. var. guadalupensis A. Jones by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Aster geyeri (Gray) T.J. Howell , Aster laevis var. guadalupensis A.G. Jones , Aster pickettianus Suksdorf , Symphyotrichum laeve var. geyeri (Gray) Nesom

                                                                                    var. laevis Synonymy: Aster falcidens Burgess , Aster laevis var. falcatus Farw. , Aster steeleorum Shinners , Symphyotrichum laeve (L.) A.& D. Löve

                                                                                    var. purpuratus (Nees) A.G. Jones Synonymy: Aster attenuatus auct. non Lindl. ex Hook. , Aster purpuratus Nees , Aster virgatus Ell., non Moench , Symphyotrichum laeve var. purpuratum (Nees) Nesom

                                                                                  lanceolatus Willd.

                                                                                    ssp. hesperius (Gray) Semple & Chmielewski Present in the Texas flora and known locally as: Siskiyou aster (Texas Distribution by vegetation zone) Synonymy: Aster hesperius Gray , Aster hesperius var. laetevirens (Greene) Cronq. , Aster hesperius var. wootonii Greene , Aster laetevirens Greene , Aster osterhoutii Rydb. , Aster wootonii (Greene) Greene , Symphyotrichum hesperium (Gray) A.& D. Löve , Symphyotrichum lanceolatum ssp. hesperium (Gray) Nesom , Symphyotrichum lanceolatum var. hesperium (Gray) Nesom

                                                                                    ssp. lanceolatus Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                      var. hirsuticaulis Semple & Chmielewski Synonymy: Symphyotrichum lanceolatum var. hirsuiticaule (Semple & Chmielewski) Nesom

                                                                                      var. interior (Wieg.) Semple & Chmielewski Synonymy: Aster interior Wieg. , Aster lanceolatus ssp. interior (Wieg.) A.G. Jones , Aster lanceolatus var. interior (Wieg.) A.G. Jones , Aster simplex var. interior (Wieg.) Cronq. , Symphyotrichum lanceolatum var. interior (Wieg.) Nesom

                                                                                      var. lanceolatus Synonymy: Aster bellidiflorus Willd. , Aster lamarckianus Nees , Aster lanceolatus ssp. simplex (Willd.) A.G. Jones , Aster lanceolatus var. simplex (Willd.) A.G. Jones , Aster laxus Willd. , Aster paniculatus Lam., p.p. non P. Mill. , Aster paniculatus var. simplex (Willd.) Burgess , Aster simplex Willd. , Aster simplex var. estuarinus Boivin , Aster simplex var. ramosissimus (Torr. & Gray) Cronq. , Aster tenuifolius var. ramosissimus Torr. & Gray , Symphyotrichum lanceolatum (Willd.) Nesom , Symphyotrichum simplex (Willd.) A.& D. Löve

                                                                                      var. latifolius Semple & Chmielewski Synonymy: Symphyotrichum lanceolatum var. latifolium (Semple & Chmielewski) Nesom

                                                                                  lateriflorus (L.) Britt. Present in the Texas flora and known locally as: California aster (Texas Distribution by vegetation zone)

                                                                                    var. angustifolius Wieg. Synonymy: Aster agrostifolius Burgess , Symphyotrichum lateriflorum var. angustifolium (Wieg.) Nesom

                                                                                    var. flagellaris Shinners Synonymy: Symphyotrichum lateriflorum var. flagellare (Shinners) Nesom

                                                                                    var. hirsuticaulis (Lindl. ex DC.) Porter Synonymy: Aster acadiensis Shinners , Aster hirsuticaulis Lindl. ex DC. , Aster lateriflorus var. tenuipes Wieg. , Aster saxatilis (Fern.) Blanch. nom. illeg. , Aster tradescantii L. , Aster tradescantii var. saxatilis (Fern.) House , Aster vimineus var. saxatilis Fern. , Symphyotrichum lateriflorum var. hirsuticaule (DC.) Nesom , Symphyotrichum lateriflorum var. tenuipes (Wieg.) Nesom , Symphyotrichum tradescantii (L.) Nesom

                                                                                    var. horizontalis (Desf.) Farw. Synonymy: Aster horizontalis Desf. , Aster lateriflorus var. pendulus (Ait.) Burgess , Aster pendulus Ait. , Symphyotrichum lateriflorum var. horizontale (Desf.) Nesom

                                                                                    var. indutus Shinners

                                                                                    var. lateriflorus Synonymy: Aster vimineus Lam. , Solidago lateriflora L. , Symphyotrichum lateriflorum (L.) A.& D. Löve

                                                                                    var. spatelliformis (Burgess) A.G. Jones Synonymy: Aster spatelliformis Burgess , Symphyotrichum lateriflorum var. spatelliforme (Burgess) Nesom

                                                                                  lentus Greene Synonymy: Aster chilensis var. lentus (Greene) Jepson , Aster chilensis var. sonomensis (Greene) Jepson , Aster sonomensis Greene , Symphyotrichum lentum (Greene) Nesom

                                                                                  longifolius Lam. Synonymy: Aster eminens Willd. , Aster junceus Ait. , Aster salicifolius sensu Willd., non Lam. nec Ait. , Symphyotrichum longifolium (Lam.) Nesom

                                                                                  X longulus Sheldon (pro sp.) [?borealis X puniceus] Synonymy: Symphyotrichum X longulum (Sheldon) Nesom

                                                                                  macrophyllus L.

                                                                                    var. apricensis Burgess Synonymy: Aster nobilis Burgess

                                                                                    var. excelsior Burgess

                                                                                    var. ianthinus (Burgess) Fern. Synonymy: Aster ianthinus Burgess , Aster multiformis Burgess

                                                                                    var. macrophyllus Synonymy: Aster riciniatus Burgess , Aster roscidus Burgess , Aster violaris Burgess , Eurybia macrophylla (L.) Cass.

                                                                                    var. pinguifolius Burgess

                                                                                    var. sejunctus Burgess

                                                                                    var. velutinus Burgess

                                                                                  meritus A. Nels. Synonymy: Aster sibiricus var. meritus (A. Nels.) Raup , Eurybia merita (A. Nels.) Nesom

                                                                                  mirabilis Torr. & Gray Synonymy: Aster commixtus auct. non (Nees) Kuntze , Eurybia commixta auct. non Nees , Eurybia mirabilis (Torr. & Gray) Nesom

                                                                                  mollis Rydb. Synonymy: Symphyotrichum molle (Rydb.) Nesom

                                                                                  novae-angliae L. Synonymy: Lasallea novae-angliae (L.) Semple & Brouillet , Symphyotrichum novae-angliae (L.) Nesom , Virgulus novae-angliae (L.) Reveal & Keener

                                                                                  novi-belgii L.

                                                                                    var. elodes (Torr. & Gray) Gray Synonymy: Aster elodes Torr. & Gray , Symphyotrichum novi-belgii var. elodes (Torr. & Gray) Nesom

                                                                                    var. johannensis (Fern.) A.G. Jones Synonymy: Aster johannensis Fern. , Aster novi-belgii ssp. johannensis (Fern.) A.G. Jones , Aster rolandii Shinners

                                                                                    var. litoreus Gray Synonymy: Symphyotrichum novi-belgii var. litoreum (Gray) Nesom

                                                                                    var. novi-belgii Synonymy: Aster novi-belgii var. rosaceus Rouss. , Symphyotrichum novi-belgii (L.) Nesom

                                                                                    var. tardiflorus (L.) A.G. Jones Synonymy: Aster crenifolius (Fern.) Cronq. , Aster crenifolius var. arcuans (Fern.) Cronq. , Aster foliaceus auct. non Lindl. ex DC. , Aster foliaceus var. arcuans Fern. , Aster gaspensis Victorin , Aster novi-belgii ssp. tardiflorus (L.) A.G. Jones , Aster robynsianus Rouss. , Aster tardiflorus L. , Symphyotrichum crenifolium (Fern.) Nesom , Symphyotrichum novi-belgii var. tardiflorum (L.) Nesom

                                                                                    var. villicaulis (Gray) Boivin Synonymy: Aster johannensis var. villicaulis (Gray) Fern. , Aster longifolius var. villicaulis Gray , Aster tardiflorus var. vestitus Fern.

                                                                                  oblongifolius Nutt. Present in the Texas flora and known locally as: Aromatic aster (Texas Distribution by vegetation zone) Synonymy: Aster kumleinii Fries ex Gray , Aster oblongifolius var. angustatus Shinners , Aster oblongifolius var. orientis Shinners , Aster oblongifolius var. rigidulus Gray , Lasallea oblongifolia (Nutt.) Semple & Brouillet , Symphyotrichum oblongifolium (Nutt.) Nesom , Virgulus oblongifolius (Nutt.) Reveal & Keener

                                                                                  occidentalis (Nutt.) Torr. & Gray

                                                                                    var. delectabilis (Hall) Ferris Synonymy: Aster delectabilis Hall

                                                                                    var. fremontii (Torr. & Gray) A.G. Jones Synonymy: Aster ascendens var. fremontii Torr. & Gray , Aster fremontii (Torr. & Gray) Gray , Symphyotrichum spathulatum var. fremontii (Torr. & Gray) Nesom

                                                                                    var. intermedius Gray Synonymy: Symphyotrichum spathulatum var. intermedium (Gray) Nesom

                                                                                    var. occidentalis Synonymy: Aster spathulatus Lindl. , Symphyotrichum spathulatum (Lindl.) Nesom , Tripolium occidentale Nutt.

                                                                                    var. parishii (Gray) Ferris Synonymy: Aster fremontii var. parishii Gray

                                                                                    var. yosemitanus (Gray) Cronq. Synonymy: Aster ascendens var. yosemitanus Gray , Aster paludicola Piper , Aster yosemitanus (Gray) Greene , Symphyotrichum spathulatum var. yosemitanum (Gray) Nesom

                                                                                  ontarionis Wieg. Synonymy: Aster diffusus var. thyrsoides Gray , Aster lateriflorus var. thyrsoides (Gray) Sheldon , Aster missouriensis Britt., non Kuntze , Aster missouriensis var. thyrsoides (Gray) Wieg. , Aster pantotrichus Blake , Aster pantotrichus var. thyrsoides (Gray) Blake , Aster tradescantii var. thyrsoides (Gray) Boivin , Symphyotrichum ontarione (Wieg.) Nesom

                                                                                  oolentangiensis Riddell Present in the Texas flora and known locally as: Azure aster (Texas Distribution by vegetation zone)

                                                                                    var. laevicaulis (Fern.) A.G. Jones

                                                                                    var. oolentangiensis Synonymy: Aster azureus Lindl. , Symphyotrichum oolentagiense (Riddell) Nesom

                                                                                    var. poaceus (Burgess) A.G. Jones Synonymy: Aster azureus var. poaceus (Burgess) Fern. , Aster poaceus Burgess , Aster vernalis Engelm. ex Burgess , Symphyotrichum oolentangiense var. poaceum (Burgess) Nesom

                                                                                  paludosus Ait.

                                                                                    ssp. hemisphericus (Alexander) Cronq. Present in the Texas flora and known locally as: Low aster (Texas Distribution by vegetation zone) Synonymy: Aster gattingeri Alexander, non Kuntze , Aster hemisphericus Alexander , Aster pedionomus Alexander , Aster verutifolius Alexander , Eurybia hemispherica (Alexander) Nesom , Heleastrum hemisphericum (Alexander) Shinners

                                                                                    ssp. paludosus Synonymy: Eurybia paludosa (Aiton) Nesom

                                                                                  parviceps (Burgess) Mackenzie & Bush Synonymy: Aster depauperatus var. parviceps (Burgess) Fern. , Aster ericoides var. parviceps Burgess , Aster pilosus ssp. parviceps (Burgess) A.G. Jones , Symphyotrichum parviceps (Burgess) Nesom

                                                                                  patens Ait.

                                                                                    var. gracilis Hook. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Aster tenuicaulis (C. Mohr) Burgess , Symphyotrichum patens var. gracile (Hook.) Nesom , Virgulus patens var. gracilis (Hook.) Reveal & Keener

                                                                                    var. patens Present in the Texas flora and known locally as: Skydrop aster (Texas Distribution by vegetation zone) Synonymy: Lasallea patens (Ait.) Semple & Brouillet , Symphyotrichum patens (Ait.) Nesom , Virgulus patens (Ait.) Reveal & Keener

                                                                                    var. patentissimus (Lindl. ex DC.) Torr. & Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Aster continuus Small , Aster patentissimus Lindl. ex DC. , Aster subsessilis Burgess , Symphyotrichum patens var. patentissimum (Lindl. ex DC.) Nesom , Virgulus patens var. patentissimus (Lindl. ex DC.) Reveal & Keener

                                                                                  perelegans A. Nels. & J.F. Macbr. Synonymy: Aster elegans (Nutt.) Torr. & Gray, non Willd. , Eucephalus elegans Nutt. , Eucephalus perelegans (A. Nels. & J.F. Macbr.) W.A. Weber

                                                                                  phlogifolius Muhl. ex Willd. Synonymy: Aster patens var. phlogifolius (Muhl. ex Willd.) Nees , Symphyotrichum phlogifolium (Muhl. ex Willd.) Nesom , Virgulus patens var. phlogifolius (Muhl. ex Willd.) Reveal & Keener

                                                                                  pilosus Willd.

                                                                                    var. demotus Blake Synonymy: Aster juniperinus Burgess , Aster racemosus Ell. , Aster ramosissimus P. Mill. , Symphyotrichum racemosum (Ell.) Nesom

                                                                                    var. pilosus Synonymy: Aster ericoides var. platyphyllus Torr. & Gray , Aster ericoides var. villosus (Michx.) Torr. & Gray , Aster pilosus var. platyphyllus (Torr. & Gray) Blake , Aster villosus Michx. , Symphyotrichum pilosum (Willd.) Nesom

                                                                                    var. priceae (Britt.) Cronq. Synonymy: Aster kentuckiensis Britt. , Aster priceae Britt. , Symphyotrichum priceae (Britt.) Nesom

                                                                                    var. pringlei (Gray) Blake Synonymy: Aster ericoides var. pringlei Gray , Aster faxonii Porter , Aster polyphyllus Willd., non Moench , Aster pringlei (Gray) Britt. , Symphyotrichum pilosum var. pringlei (Gray) Nesom

                                                                                  porteri Gray Synonymy: Symphyotrichum porteri (Gray) Nesom

                                                                                  potosinus Gray Synonymy: Aster lemmonii Gray , Symphyotrichum potosinum (Gray) Nesom

                                                                                  praealtus Poir.

                                                                                    var. angustior Wieg. Synonymy: Symphyotrichum praeltum var. angustior (Wieg.) Nesom

                                                                                    var. coerulescens (DC.) A.G. Jones Present in the Texas flora (treated as Aster praealtus Poir. var. texicola Wieg. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Aster coerulescens DC. , Aster praealtus var. texicola Wieg. , Symphyotrichum praealtum var. texicola (Wieg.) Nesom

                                                                                    var. imbricatior Wieg.

                                                                                    var. nebraskensis (Britt.) Wieg. Synonymy: Aster nebraskensis Britt.

                                                                                    var. praealtus Present in the Texas flora and known locally as: Tall aster (Texas Distribution by vegetation zone) Synonymy: Aster salicifolius Ait., non Lam. , Symphyotrichum praealtum (Poir.) Nesom

                                                                                    var. subasper (Lindl.) Wieg. Synonymy: Aster subasper Lindl. , Symphyotrichum praeltum var. subasperum (Lindl.) Nesom

                                                                                  prenanthoides Muhl. ex Willd. Synonymy: Symphyotrichum prenanthoides (Muhl. ex Willd.) Nesom

                                                                                  puniceus L.

                                                                                    var. calderi (Boivin) Lepage Synonymy: Aster calderi Boivin , Symphyotrichum puniceum var. calderi (Boivin) Nesom

                                                                                    var. elliottii (Torr. & Gray) A.G. Jones Synonymy: Aster elliottii Torr. & Gray , Aster puniceus ssp. elliottii (Torr. & Gray) A.G. Jones , Symphyotrichum elliotii (Torr. & Gray) Nesom

                                                                                    var. firmus (Nees) Torr. & Gray Synonymy: Aster firmus Nees , Aster lucidulus (Gray) Wieg. , Aster puniceus ssp. firmus (Nees) A.G. Jones , Aster puniceus var. lucidulus Gray , Symphyotrichum firmum (Nees) Nesom

                                                                                    var. perlongus Fern.

                                                                                    var. puniceus Synonymy: Aster conduplicatus Burgess , Aster forwoodii S. Wats. , Aster puniceus var. calvus Shinners , Aster puniceus var. compactus Fern. , Aster puniceus var. demissus Lindl. , Aster puniceus var. oligocephalus Fern. , Symphyotrichum puniceum (L.) A.& D. Löve

                                                                                    var. scabricaulis (Shinners) A.G. Jones Present in the Texas flora and known locally as: Roughstem aster (Texas Distribution by vegetation zone) Synonymy: Aster scabricaulis Shinners , Symphyotrichum puniceum var. scabricaule (Shinners) Nesom

                                                                                  radula Ait.

                                                                                    var. radula Synonymy: Eurybia radula (Ait.) Nesom

                                                                                    var. strictus (Pursh) Gray Synonymy: Aster strictus Pursh, non Poir.

                                                                                  radulinus Gray Synonymy: Aster eliasii A. Nels. , Eurybia radulina (Gray) Nesom , Weberaster radulinus (Gray) A.& D. Löve

                                                                                  retroflexus Lindl. ex DC. Synonymy: Aster curtisii Torr. & Gray , Symphyotrichum retroflexum (Lindl. ex DC.) Nesom

                                                                                  X salignus Willd. [lanceolatus X novi-belgii] Synonymy: Symphyotrichum X salignum (Willd.) Nesom

                                                                                  saxicastellii J.N. Campbell & M. Medley Synonymy: Eurybia saxicastellii (J.N. Campbell & M. Medley) Nesom

                                                                                  X schistosus Steele (pro sp.) [cordifolius X laevis] Synonymy: Symphyotrichum X schistosum (Steele) Nesom

                                                                                  schreberi Nees Synonymy: Aster chasei G.N. Jones , Aster curvescens Burgess , Aster glomeratus (Bernh. ex Nees) Burgess , Eurybia glomerata Bernh. ex Nees , Eurybia schreberi (Nees) Nees

                                                                                  sericeus Vent.

                                                                                    var. microphyllus DC. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Aster phyllolepis Torr. & Gray , Aster pratensis Raf. , Lasallea sericea ssp. pratensis (Raf.) Semple & Brouillet , Symphyotrichum pratense (Raf.) Nesom , Virgulus pratensis (Raf.) Reveal & Keener

                                                                                    var. sericeus Present in the Texas flora and known locally as: Silky aster (Texas Distribution by vegetation zone) Synonymy: Lasallea sericea (Vent.) Greene , Symphyotrichum sericeum (Vent.) Nesom , Virgulus sericeus (Vent.) Reveal & Keener

                                                                                  shortii Lindl. Synonymy: Aster camptosorus Small , Symphyotrichum shortii (Lindl.) Nesom

                                                                                  sibiricus L.

                                                                                    var. giganteus (Hook.) Gray Synonymy: Aster richardsonii Spreng. , Aster sibiricus ssp. richardsonii (Spreng.) A.& D. Löve , Eurybia sibirica var. gigantea (Hook.) Nesom

                                                                                    var. pygmaeus (Lindl.) Cody Synonymy: Aster pygmaeus Lindl. , Aster sibiricus ssp. pygmaeus (Lindl.) A.& D. Löve , Eurybia pygmaea (Lindl.) Nesom

                                                                                    var. sibiricus (NOTE: Presence in the North American flora not certain. Please contact BONAP if vouchered records are available.) Synonymy: Eurybia sibirica (L.) Nesom

                                                                                  simmondsii Small Synonymy: Aster sulznerae Small , Symphyotrichum simmondsii (Small) Nesom

                                                                                  spectabilis Ait.

                                                                                    var. cinerascens Blake

                                                                                    var. spectabilis Synonymy: Aster commixtus (Nees) Kuntze , Aster smallii Alexander , Eurybia commixta Nees , Eurybia spectabilis (Ait.) Nesom

                                                                                    var. suffultus Fern.

                                                                                  spinulosus Chapman Synonymy: Eurybia spinulosa (Chapman) Nesom

                                                                                  X subgeminatus (Fern.) Boivin (pro sp.) [ciliolatus X novi-belgii] Synonymy: Aster foliaceus var. subgeminatus Fern. , Symphyotrichum subgeminatum (Fern.) Nesom

                                                                                  subspicatus Nees

                                                                                    var. grayi (Suksdorf) Cronq. Synonymy: Aster grayi Suksdorf , Symphyotrichum subspicatum var. grayi (Suksdorf) Nesom

                                                                                    var. subspicatus Synonymy: Aster douglasii Lindl. , Aster oregonum (Nutt.) Torr. & Gray , Symphyotrichum subspicatum (Nees) Nesom , Tripolium oregonum Nutt.

                                                                                  subulatus Michx.

                                                                                    var. cubensis (DC.) Shinners Synonymy: Aster inconspicuus Less. , Symphyotrichum expansum (Poepp. ex Spreng.) Nesom

                                                                                    var. euroauster Fern. & Grisc. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                    var. ligulatus Shinners Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Aster divaricatus (Nutt.) Torr. & Gray , Aster exilis Ell. , Aster neomexicanus Woot. & Standl. , Symphyotrichum divaricatum (Nutt.) Nesom

                                                                                    var. obtusifolius Fern.

                                                                                    var. sandwicensis (Gray) A.G. Jones Present in the Texas flora and known locally as: Saltmarsh aster (Texas Distribution by vegetation zone) Synonymy: Aster divaricatus var. sandwicensis Gray , Aster exilis var. australis Gray , Aster sandwicensis Gray , Aster subulatus var. australis (Gray) Shinners , Symphyotrichum squamata (Spreng.) Nesom

                                                                                    var. subulatus Synonymy: Symphyotrichum subulatum (Michx.) Nesom

                                                                                  surculosus Michx. Synonymy: Eurybia surculosa (Michx.) Nesom

                                                                                  tataricus L. f.

                                                                                  tenuifolius L. Present in the Texas flora and known locally as: Saline aster (Texas Distribution by vegetation zone) Synonymy: Symphyotrichum tenuifolium (L.) Nesom

                                                                                  tripolium L.

                                                                                  turbinellus Lindl. Synonymy: Symphyotrichum turbinellum (Lindl.) Nesom

                                                                                  undulatus L.

                                                                                    var. asperulus Wood Synonymy: Aster asperifolius Burgess , Aster diversifolius Michx. , Aster linguiformis Burgess , Aster mohrii Burgess , Aster undulatus var. diversifolius (Michx.) Gray

                                                                                    var. loriformis Burgess Synonymy: Aster loriformis (Burgess) Burgess

                                                                                    var. undulatus Synonymy: Aster claviger Burgess , Aster corrigiatus Burgess , Aster gracilescens Burgess , Aster proteus Burgess , Aster sylvestris Burgess , Aster triangularis (Burgess) Burgess , Aster truellius Burgess , Aster undulatus var. triangularis Burgess , Symphyotrichum undulatum (L.) Nesom

                                                                                  urophyllus Lindl. Synonymy: Aster hirtellus Lindl. , Aster sagittifolius auct. non Wedemeyer ex Willd. , Aster sagittifolius var. urophyllus (Lindl.) Burgess , Symphyotrichum urophyllum (Lindl.) Nesom

                                                                                  X versicolor Willd. (pro sp.) [laevis X novi-belgii] Synonymy: Symphyotrichum X versicolor (Willd.) Nesom

                                                                                  walteri Alexander Synonymy: Aster squarrosus sensu Walt., non All. , Lasallea walteri (Alexander) Semple & Brouillet , Symphyotrichum walteri (Alexander) Nesom , Virgulus walteri (Alexander) Reveal & Keener

                                                                                  wasatchensis (M.E. Jones) Blake Synonymy: Aster glaucodes ssp. pulcher Blake , Aster glaucodes var. pulcher (Blake) Kearney & Peebles ex Welsh , Aster glaucus var. wasatchensis M.E. Jones , Eurybia pulchra (Blake) Nesom , Eurybia wasatchensis (M.E. Jones) Nesom

                                                                                  welshii Cronq. Synonymy: Symphyotrichum welshii (Cronq.) Nesom

                                                                                  X woldenii Rydb. (pro sp.) [laevis X praealtus] Synonymy: Symphyotrichum X woldenii (Rydb.) Nesom

                                                                                  yukonensis Cronq. Synonymy: Symphyotrichum yukonense (Cronq.) Nesom , Virgulus yukonensis (Cronq.) Reveal & Keener

                                                                                  Astranthium Nutt. - WESTERN-DAISY

                                                                                    integrifolium (Michx.) Nutt.

                                                                                      ssp. ciliatum (Raf.) DeJong Present in the Texas flora and known locally as: Western daisy (Texas Distribution by vegetation zone) Synonymy: Astranthium integrifolium var. ciliatum (Raf.) Larsen , Astranthium integrifolium var. trifolium (Raf.) Shinners

                                                                                      ssp. integrifolium Synonymy: Bellis integrifolia Michx.

                                                                                    robustum (Shinners) DeJong Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Astranthium integrifolium var. robustum Shinners

                                                                                    Atrichoseris Gray - PARACHUTE-PLANT

                                                                                      platyphylla (Gray) Gray Synonymy: Malacothrix platyphylla Gray

                                                                                      Baccharis L. - FALSE WILLOW

                                                                                        angustifolia Michx.

                                                                                        bigelovii Gray Present in the Texas flora and known locally as: Bigelow baccharis (Texas Distribution by vegetation zone)

                                                                                        brachyphylla Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                        dioica Vahl

                                                                                        douglasii DC.

                                                                                        emoryi Gray

                                                                                        glomeruliflora Pers.

                                                                                        halimifolia L. Present in the Texas flora and known locally as: Eastern baccharis, sea-myrtle, consumption-weed (Texas Distribution by vegetation zone) Synonymy: Baccharis halimifolia var. angustior DC.

                                                                                        havardii Gray Present in the Texas flora and known locally as: Havard baccharis (Texas Distribution by vegetation zone)

                                                                                        malibuensis Beauchamp & Henderson sp. nov. ined.

                                                                                        myrsinites (Lam.) Pers.

                                                                                        neglecta Britt. Present in the Texas flora and known locally as: Roosevelt weed, new deal weed, jara dulce (Texas Distribution by vegetation zone)

                                                                                        pilularis DC. Synonymy: Baccharis pilularis ssp. consanguinea (DC.) C.B. Wolf , Baccharis pilularis var. consanguinea (DC.) Kuntze

                                                                                        plummerae Gray

                                                                                          ssp. glabrata Hoover

                                                                                          ssp. plummerae

                                                                                        pteronioides DC. Present in the Texas flora and known locally as: Yerba de pasmo (Texas Distribution by vegetation zone)

                                                                                        salicifolia (Ruiz & PavĒn) Pers. Present in the Texas flora and known locally as: Seepwillow, waterwillow, water-wally, jara (Texas Distribution by vegetation zone) Synonymy: Baccharis glutinosa Pers. , Baccharis viminea DC. , Molina salicifolia Ruiz & PavĒn

                                                                                        salicina Torr. & Gray Present in the Texas flora and known locally as: Willow baccharis (Texas Distribution by vegetation zone)

                                                                                        sarothroides Gray

                                                                                        sergiloides Gray

                                                                                        texana (Torr. & Gray) Gray Present in the Texas flora and known locally as: Prairie baccharis (Texas Distribution by vegetation zone) Synonymy: Linosyris texana Torr. & Gray

                                                                                        thesioides Kunth

                                                                                        vanessae Beauchamp

                                                                                        wrightii Gray Present in the Texas flora and known locally as: Wright baccharis (Texas Distribution by vegetation zone)

                                                                                        Bahia Lag. - FALSE GOLDFIELDS

                                                                                          absinthifolia Benth. Present in the Texas flora and known locally as: Hairyseed bahia (Texas Distribution by vegetation zone)

                                                                                            var. absinthifolia

                                                                                            var. dealbata (Gray) Gray

                                                                                          bigelovii Gray Present in the Texas flora and known locally as: Bigelow bahia (Texas Distribution by vegetation zone)

                                                                                          biternata Gray

                                                                                          dissecta (Gray) Britt. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Amauria dissecta Gray (NOTE: Taxonomic placement not certain)

                                                                                          pedata Gray Present in the Texas flora and known locally as: Bluntscale bahia (Texas Distribution by vegetation zone)

                                                                                          schaffneri S. Wats.

                                                                                          Baileya Harvey & Gray ex Gray - DESERT-MARIGOLD

                                                                                            multiradiata Harvey & Gray ex Gray Present in the Texas flora and known locally as: Desert bailey (Texas Distribution by vegetation zone) Synonymy: Baileya multiradiata var. thurberi (Rydb.) Kittell

                                                                                            pauciradiata Harvey & Gray ex Gray

                                                                                            pleniradiata Harvey & Gray ex Gray Synonymy: Baileya multiradiata var. pleniradiata (Harvey & Gray ex Gray) Coville , Baileya perennis (A. Nels.) Rydb.

                                                                                            Balduina Nutt. - HONEYCOMB-HEAD

                                                                                              angustifolia (Pursh) B.L. Robins. Synonymy: Actinospermum angustifolium (Pursh) Torr. & Gray

                                                                                              atropurpurea Harper Synonymy: Endorima atropurpurea (Harper) Small

                                                                                              uniflora Nutt. Synonymy: Endorima uniflora (Nutt.) Raf.

                                                                                              Balsamita P. Mill. - COSTMARY

                                                                                                major Desf. Synonymy: Balsamita major var. tanacetoides (Boiss.) Moldenke , Chrysanthemum balsamita (L.) Baill., non L. , Chrysanthemum balsamita var. tanacetoides Boiss. , Pyrethrum majus (Desf.) Tzvelev , Tanacetum balsamita L.

                                                                                                Balsamorhiza Nutt. - BALSAMROOT

                                                                                                  X bonseri St. John (pro sp.) [rosea X sagittata]

                                                                                                  careyana Gray

                                                                                                    var. careyana

                                                                                                    var. intermedia Cronq.

                                                                                                  deltoidea Nutt.

                                                                                                  hookeri (Hook.) Nutt.

                                                                                                    var. hirsuta (Nutt.) A. Nels. Synonymy: Balsamorhiza hirsuta Nutt.

                                                                                                    var. hispidula (Sharp) Cronq. Synonymy: Balsamorhiza hispidula Sharp

                                                                                                    var. hookeri

                                                                                                    var. idahoensis (Sharp) Cronq. Synonymy: Balsamorhiza macrophylla var. idahoensis Sharp

                                                                                                    var. lagocephala (Sharp) Cronq. Synonymy: Balsamorhiza hirsuta var. lagocephala Sharp , Balsamorhiza hookeri var. lanata Sharp

                                                                                                    var. neglecta (Sharp) Cronq. Synonymy: Balsamorhiza hirsuta var. neglecta Sharp

                                                                                                  incana Nutt.

                                                                                                  macrolepis Sharp

                                                                                                    var. macrolepis

                                                                                                    var. platylepis (Sharp) Ferris Synonymy: Balsamorhiza hookeri var. platylepis (Sharp) Cronq. , Balsamorhiza platylepis Sharp

                                                                                                  macrophylla Nutt.

                                                                                                  rosea A. Nels. & J.F. Macbr.

                                                                                                  sagittata (Pursh) Nutt.

                                                                                                  sericea W.A. Weber

                                                                                                  serrata A. Nels. & J.F. Macbr.

                                                                                                  X terebinthacea (Hook.) Nutt. (pro sp.) [deltoidea X hookeri]

                                                                                                  X tomentosa Rydb. (pro sp.) [incana X sagittata]

                                                                                                  Baltimora L. - BEAUTYHEAD

                                                                                                    recta L.

                                                                                                    Bartlettia Gray - BARTLETT-DAISY

                                                                                                      scaposa Gray

                                                                                                      Bebbia Greene - SWEETBUSH

                                                                                                        juncea (Benth.) Greene Present in the Texas flora and known locally as: Rush b. (Texas Distribution by vegetation zone)

                                                                                                          var. aspera Greene

                                                                                                        Bellis L. - LAWNDAISY

                                                                                                          perennis L.

                                                                                                          Berkheya Ehrh. - GOUSBLOM

                                                                                                            heterophylla O. Hoffmann

                                                                                                            Berlandiera DC. - GREENEYES

                                                                                                              X betonicifolia (Hook.) Small (pro sp.) [pumila X texana] Present in the Texas flora and known locally as: Hairy greeneyes (Texas Distribution by vegetation zone) Synonymy: Berlandiera texana var. betonicifolia (Hook.) Torr. & Gray

                                                                                                              X humilis Small (pro sp.) [pumila X subacaulis]

                                                                                                              lyrata Benth. Present in the Texas flora and known locally as: Lyreleaf greeneyes, Berlandier daisy (Texas Distribution by vegetation zone) Synonymy: Berlandiera lyrata var. macrophylla Gray

                                                                                                              pumila (Michx.) Nutt. Present in the Texas flora and known locally as: Soft greeneyes (Texas Distribution by vegetation zone) Synonymy: Berlandiera dealbata (Torr. & Gray) Small , Berlandiera tomentosa (Pursh) Nutt. , Berlandiera tomentosa var. dealbata Torr. & Gray

                                                                                                              subacaulis (Nutt.) Nutt.

                                                                                                              texana DC. Present in the Texas flora and known locally as: Texas greeneyes (Texas Distribution by vegetation zone)

                                                                                                              Bidens L. - BEGGARTICKS

                                                                                                                alba (L.) DC.

                                                                                                                  var. radiata (Schultz-Bip.) Ballard ex T.E. Melchert Synonymy: Bidens pilosa var. radiata Schultz-Bip.

                                                                                                                amplectens Sherff Synonymy: Bidens gracilis Nutt. , Bidens halawana O. Deg. & Sherff

                                                                                                                amplissima Greene

                                                                                                                aristosa (Michx.) Britt. Present in the Texas flora and known locally as: Bearded beggar's ticks, awnless beggar's ticks, tickseed sunflower (Texas Distribution by vegetation zone) Synonymy: Bidens aristosa var. fritcheyi Fern. , Bidens aristosa var. mutica (Gray) Gattinger , Bidens aristosa var. retrorsa (Sherff) Wunderlin , Bidens involucrata (Nutt.) Britt. , Bidens polylepis Blake , Bidens polylepis var. retrorsa Sherff

                                                                                                                asymmetrica (Levl.) Sherff

                                                                                                                aurea (Ait.) Sherff Synonymy: Bidens aurea var. wrightii (Gray) Sherff , Bidens heterophylla Ortega , Coreopsis aurea Ait.

                                                                                                                bidentoides (Nutt.) Britt. Synonymy: Bidens bidentoides var. mariana (Blake) Sherff , Bidens mariana Blake

                                                                                                                bigelovii Gray Present in the Texas flora and known locally as: Bigelow beggar's ticks (Texas Distribution by vegetation zone)

                                                                                                                bipinnata L. Present in the Texas flora and known locally as: Spanish needles (Texas Distribution by vegetation zone) Synonymy: Bidens bipinnata var. biternatoides Sherff

                                                                                                                campylotheca Schultz-Bip.

                                                                                                                  ssp. campylotheca Synonymy: Bidens X magnidisca O. Deg. & Sherff

                                                                                                                  ssp. pentamera (Sherff) Ganders & Nagata Synonymy: Bidens campylotheca var. pentamera Sherff , Bidens pentamera (Sherff) O. Deg. & Sherff

                                                                                                                  ssp. waihoiensis St. John

                                                                                                                cernua L. Synonymy: Bidens cernua var. dentata (Nutt.) Boivin , Bidens cernua var. elliptica Wieg. , Bidens cernua var. integra Wieg. , Bidens cernua var. minima (Huds.) Pursh , Bidens cernua var. oligodonta Fern. & St. John , Bidens cernua var. radiata DC. , Bidens glaucescens Greene

                                                                                                                cervicata Sherff Synonymy: Bidens asplenioides Sherff , Bidens fecunda O. Deg. & Sherff ex Sherff , Bidens ferax O. Deg. & Sherff , Bidens stokesii Sherff

                                                                                                                conjuncta Sherff

                                                                                                                connata Muhl. ex Willd. Synonymy: Bidens connata var. ambiversa Fassett , Bidens connata var. anomala Farw. , Bidens connata var. fallax (Warnst.) Sherff , Bidens connata var. gracilipes Fern. , Bidens connata var. inundata Fern. , Bidens connata var. petiolata (Nutt.) Farw. , Bidens connata var. pinnata S. Wats. , Bidens connata var. submutica Fassett

                                                                                                                coronata (L.) Britt. Synonymy: Bidens coronata var. brachyodonta Fern. , Bidens coronata var. tenuiloba (Gray) Sherff , Bidens coronata var. trichosperma (Michx.) Fern. , Bidens trichosperma (Michx.) Britt.

                                                                                                                cosmoides (Gray) Sherff Synonymy: Bidens cosmoides var. refracta Hochr. , Bidens X dimidiata O. Deg. & Sherff ex Sherff

                                                                                                                cynapiifolia Kunth Synonymy: Bidens bipinnata var. cynapiifolia (Kunth) G. Maza , Bidens cynapiifolia var. portoricensis (Spreng.) O.E. Schulz , Bidens cynapiifolia var. tenuis O.E. Schulz

                                                                                                                discoidea (Torr. & Gray) Britt. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                eatonii Fern. Synonymy: Bidens eatonii var. fallax Fern. , Bidens eatonii var. illicita Blake , Bidens eatonii var. interstes Fassett , Bidens eatonii var. kennebecensis Fern. , Bidens eatonii var. major Fassett , Bidens eatonii var. mutabilis Fassett , Bidens eatonii var. simulans Fassett

                                                                                                                ferulifolia (Jacq.) DC. Synonymy: Coreopsis ferulifolia Jacq.

                                                                                                                forbesii Sherff

                                                                                                                  ssp. forbesii Synonymy: Bidens asymmetrica var. subocculata O. Deg. & Sherff ex Sherff , Bidens napaliensis Sherff

                                                                                                                  ssp. kahiliensis Ganders & Nagata

                                                                                                                frondosa L. Present in the Texas flora and known locally as: Devil's beggar's ticks, stick-tights (Texas Distribution by vegetation zone) Synonymy: Bidens frondosa var. anomala Porter ex Fern. , Bidens frondosa var. caudata Sherff , Bidens frondosa var. pallida Wieg. , Bidens frondosa var. stenodonta Fern. & St. John

                                                                                                                gardneri Baker

                                                                                                                hawaiensis Gray Synonymy: Bidens skottsbergii Sherff , Bidens skottsbergii var. conglutinata (O. Deg. & Sherff) Sherff , Bidens skottsbergii var. pololuensis O. Deg. & Sherff ex Sherff

                                                                                                                heterodoxa (Fern.) Fern. & St. John

                                                                                                                  var. agnostica Fern.

                                                                                                                  var. atheistica Fern. Synonymy: Bidens infirma Fern.

                                                                                                                  var. heterodoxa Synonymy: Bidens tripartita var. heterodoxa Fern.

                                                                                                                  var. monardifolia Fern.

                                                                                                                  var. orthodoxa Fern. & St. John

                                                                                                                heterosperma Gray

                                                                                                                hillebrandiana (Drake) O. Deg.

                                                                                                                  ssp. hillebrandiana

                                                                                                                  ssp. polycephala Nagata & Ganders

                                                                                                                hyperborea Greene

                                                                                                                  var. arcuans Fern.

                                                                                                                  var. gaspensis Fern.

                                                                                                                  var. hyperborea Synonymy: Bidens hyperborea var. colpophila (Fern. & St. John) Fern. , Bidens hyperborea var. laurentiana Fassett

                                                                                                                  var. svensonii Fassett Synonymy: Bidens hyperborea var. cathancensis Fern.

                                                                                                                laevis (L.) B.S.P. Present in the Texas flora and known locally as: Smooth begger's ticks (Texas Distribution by vegetation zone) Synonymy: Bidens elegans Greene , Bidens nashii Small , Helianthus laevis L.

                                                                                                                lemmonii Gray

                                                                                                                leptocephala Sherff Present in the Texas flora and known locally as: Few-flower beggar's ticks (Texas Distribution by vegetation zone)

                                                                                                                macrocarpa (Gray) Sherff Synonymy: Bidens macrocarpa var. ovatifolia (Gray) Sherff

                                                                                                                mauiensis (Gray) Sherff Synonymy: Bidens awaluana O.& I. Deg. & Sherff , Bidens mauiensis var. ciliata St. John , Bidens mauiensis var. cuneatoides Sherff , Bidens mauiensis var. forbesiana Sherff , Bidens mauiensis var. lanaiensis Sherff , Bidens mauiensis var. media Sherff

                                                                                                                menziesii (Gray) Sherff

                                                                                                                  ssp. filiformis (Sherff) Ganders & Nagata Synonymy: Bidens menziesii var. filiformis Sherff , Bidens menziesii var. leptondontia Sherff

                                                                                                                  ssp. menziesii Synonymy: Bidens menziesii var. lepida O. Deg. & Sherff , Bidens salicoides Sherff

                                                                                                                micrantha Gaud.

                                                                                                                  ssp. ctenophylla (Sherff) Nagata & Ganders Synonymy: Bidens ctenophylla Sherff

                                                                                                                  ssp. kalealaha Nagata & Ganders Listed by the U.S. FWS as endangered, the FWS local name is Ko`oko`olau and the FWS range is: U.S.A. (HI). Listed on May 15, 1992 (Volume 57 Federal Register 20787). Synonymy: Bidens distans Sherff , Bidens micrantha var. rudimentifera Sherff

                                                                                                                  ssp. micrantha Synonymy: Bidens degeneri Sherff , Bidens degeneri var. apioides Sherff , Bidens micrantha var. caduca (Sherff) Sherff , Bidens micrantha var. laciniata (Hbd.) Sherff , Bidens perversa O. Deg. & Sherff , Bidens perversa var. aquilonalis O. Deg. & Sherff , Bidens sandvicensis var. caduca Sherff , Bidens sandvicensis var. leiocarpa O. Deg. & Sherff

                                                                                                                mitis (Michx.) Sherff Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Bidens mitis var. leptophylla (Nutt.) Small

                                                                                                                molokaiensis (Hbd.) Sherff Listed by the U.S. FWS as endangered, the FWS local name is Cuneate bidens and the FWS range is: U.S.A. (HI). Listed on February 17, 1984 (Volume 49 Federal Register 6102). Treated by the FWS as Bidens cuneata. Synonymy: Bidens cuneata Sherff

                                                                                                                X multiceps Fassett [connata X eatonii]

                                                                                                                pilosa L. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Bidens odorata Cav. , Bidens pilosa var. bimucronata (Turcz.) Schultz-Bip. , Bidens pilosa var. minor (Blume) Sherff

                                                                                                                populifolia Sherff

                                                                                                                reptans (L.) G. Don

                                                                                                                  var. reptans Synonymy: Coreopsis reptans L.

                                                                                                                  var. urbanii (Greenm.) O.E. Schulz Synonymy: Bidens urbanii Greenm.

                                                                                                                sandvicensis Less.

                                                                                                                  ssp. confusa Nagata & Ganders

                                                                                                                  ssp. sandvicensis Synonymy: Bidens coartata Sherff , Bidens graciloides Sherff , Bidens X micranthoides Sherff , Bidens obtusiloba Sherff , Bidens pulchella (Less.) Schultz-Bip. , Bidens sandvicensis var. antrorsa O. Deg. & Sherff , Bidens sandvicensis var. imminuta O. Deg. & Sherff , Bidens sandvicensis var. setosa (Sherff) Sherff , Bidens waimeana Sherff

                                                                                                                tenuisecta Gray

                                                                                                                torta Sherff Synonymy: Bidens fulvescens Sherff , Bidens micrantha var. kaalana Sherff , Bidens waianensis Sherff

                                                                                                                tripartita L. Synonymy: Bidens acuta (Wieg.) Britt. , Bidens comosa (Gray) Wieg.

                                                                                                                valida Sherff

                                                                                                                vulgata Greene Synonymy: Bidens frondosa var. puberula Wieg. , Bidens puberula Wieg. , Bidens vulgata var. puberula (Wieg.) Greene , Bidens vulgata var. schizantha Lunell

                                                                                                                wiebkei Sherff Listed by the U.S. FWS as endangered, the FWS local name is Ko`oko`olau and the FWS range is: U.S.A. (HI). Listed on October 8, 1992 (Volume 57 Federal Register 46339). Synonymy: Bidens nematocera (Sherff) Sherff

                                                                                                                Bigelowia DC. - RAYLESS-GOLDENROD

                                                                                                                  nudata (Michx.) DC.

                                                                                                                    ssp. australis L.C. Anders. Synonymy: Bigelowia nudata var. australis (L.C. Anders.) Shinners

                                                                                                                    ssp. nudata Synonymy: Bigelowia virgata (Nutt.) DC. , Chondrophora nudata (Michx.) Britt. , Chondrophora virgata (Nutt.) Greene , Chrysocoma nudata Michx.

                                                                                                                  nuttallii L.C. Anders. Present in the Texas flora and known locally as: Slender bigelowia (Texas Distribution by vegetation zone)

                                                                                                                  Blennosperma Less. - STICKYSEED

                                                                                                                    bakeri Heiser Listed by the U.S. FWS as endangered, the FWS local name is Sonoma sunshine (=Baker's stickyseed) and the FWS range is: U.S.A. (CA). Listed on December 2, 1991 (Volume 56 Federal Register 61182).

                                                                                                                    nanum (Hook.) Blake

                                                                                                                      var. nanum

                                                                                                                      var. robustum J.T. Howell

                                                                                                                    Blepharipappus Hook. - EYELASHWEED

                                                                                                                      scaber Hook.

                                                                                                                        ssp. laevis (Gray) Keck

                                                                                                                        ssp. scaber

                                                                                                                      Blepharizonia Greene - BIG-TARWEED

                                                                                                                        plumosa (Kellogg) Greene

                                                                                                                          ssp. plumosa

                                                                                                                          ssp. viscida Keck

                                                                                                                        Blumea DC. - FALSE OXTONGUE

                                                                                                                          laciniata (Roxb.) DC.

                                                                                                                          sessiliflora Dcne.

                                                                                                                          viscosa (P. Mill.) Badillo Synonymy: Conyza lyrata Kunth , Conyza viscosa P. Mill. , Eschenbachia lyrata (Kunth) Britt. & Millsp.

                                                                                                                          Boltonia L'Hér. - DOLL'S-DAISY

                                                                                                                            apalachicolensis L.C. Anders.

                                                                                                                            asteroides (L.) L'Hér. Present in the Texas flora and known locally as: White boltonia (Texas Distribution by vegetation zone)

                                                                                                                              var. asteroides Synonymy: Boltonia asteroides var. glastifolia (Hill) Fern.

                                                                                                                              var. latisquama (Gray) Cronq. Synonymy: Boltonia latisquama Gray

                                                                                                                              var. recognita (Fern. & Grisc.) Cronq. Synonymy: Boltonia latisquama var. microcephala Fern. & Grisc. , Boltonia latisquama var. occidentalis Gray , Boltonia latisquama var. recognita Fern. & Grisc. , Boltonia recognita (Fern. & Grisc.) G.N. Jones

                                                                                                                            caroliniana (Walt.) Fern. Synonymy: Boltonia ravenelii Fern. & Grisc.

                                                                                                                            decurrens (Torr. & Gray) Wood Listed by the U.S. FWS as threatened - the FWS local name is Decurrent false aster and the FWS range is: U.S.A. (IL, MO). Synonymy: Boltonia asteroides var. decurrens (Torr. & Gray) Fern. , Boltonia latisquama var. decurrens (Torr. & Gray) Fern. & Grisc.

                                                                                                                            diffusa Ell. Present in the Texas flora and known locally as: Smallhead boltonia (Texas Distribution by vegetation zone)

                                                                                                                              var. diffusa

                                                                                                                              var. interior Fern. & Grisc. Synonymy: Boltonia interior (Fern. & Grisc.) G.N. Jones

                                                                                                                            Borrichia Adans. - SEASIDE-TANSY

                                                                                                                              arborescens (L.) DC. Synonymy: Buphthalmum arborescens L.

                                                                                                                              X cubana Britt. & Blake (pro sp.) [arboresens X frutescens]

                                                                                                                              frutescens (L.) DC. Present in the Texas flora and known locally as: Bushy sea-ox-eye, sea-ox-eye daisy (Texas Distribution by vegetation zone)

                                                                                                                              Brachyactis Ledeb. - RAYLESS-ASTER

                                                                                                                                ciliata (Ledeb.) Ledeb.

                                                                                                                                  ssp. angusta (Lindl.) A.G. Jones Synonymy: Aster brachyactis Blake , Brachyactis angusta (Lindl.) Britt. , Tripolium angustum Lindl. , Symphyotrichum ciliatum (Ledeb.) Nesom

                                                                                                                                  ssp. laurentiana (Fern.) A.G. Jones Synonymy: Aster laurentianus Fern. , Aster laurentianus var. contiguus Fern. , Aster laurentianus var. magdalenensis Fern. , Symphyotrichum laurentianum (Fern.) Nesom

                                                                                                                                frondosa (Nutt.) Gray Synonymy: Aster frondosus (Nutt.) Torr. & Gray , Symphyotrichum frondosum (Nutt.) Nesom , Tripolium frondosum Nutt.

                                                                                                                                Brickellia Ell. - BRICKELLBUSH

                                                                                                                                  amplexicaulis B.L. Robins.

                                                                                                                                    var. amplexicaulis

                                                                                                                                    var. lanceolata (Gray) B.L. Robins.

                                                                                                                                  arguta B.L. Robins.

                                                                                                                                    var. arguta Synonymy: Brickellia atractyloides var. arguta (B.L. Robins.) Jepson

                                                                                                                                    var. odontolepis B.L. Robins.

                                                                                                                                  atractyloides Gray

                                                                                                                                  baccharidea Gray Present in the Texas flora and known locally as: Resinleaf bricklellbush (Texas Distribution by vegetation zone)

                                                                                                                                  betonicifolia Gray

                                                                                                                                  brachyphylla (Gray) Gray

                                                                                                                                    var. brachyphylla Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                    var. hinckleyi (Standl.) Flyr Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Brickellia hinckleyi Standl.

                                                                                                                                    var. terlinguensis Flyr Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                  californica (Torr. & Gray) Gray Present in the Texas flora and known locally as: California brickellbush, pachuba (Texas Distribution by vegetation zone)

                                                                                                                                    var. californica Synonymy: Bulbostylis californica Torr. & Gray

                                                                                                                                    var. jepsonii B.L. Robins.

                                                                                                                                  chenopodina (Greene) B.L. Robins.

                                                                                                                                  conduplicata (B.L. Robins.) B.L. Robins. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                  cordifolia Ell. Synonymy: Coleosanthus cordifolius (Ell.) Kuntze

                                                                                                                                  coulteri Gray Present in the Texas flora and known locally as: Coulter brickellbush (Texas Distribution by vegetation zone)

                                                                                                                                  cylindracea Gray & Engelm. Present in the Texas flora and known locally as: Gravelbar brickellbush (Texas Distribution by vegetation zone)

                                                                                                                                  dentata (DC.) Schultz-Bip. Present in the Texas flora and known locally as: Leafy brickellbush (Texas Distribution by vegetation zone)

                                                                                                                                  desertorum Coville Synonymy: Brickellia californica var. desertorum (Coville) Parish ex Hall , Coleosanthus desertorum (Coville) Coville

                                                                                                                                  eupatorioides (L.) Shinners

                                                                                                                                    var. chlorolepis (Woot. & Standl.) B.L. Turner Present in the Texas flora (treated as Brickellia chorolepis (Woot. & Standl.) Shinners by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Brickellia chlorolepis (Woot. & Standl.) Shinners , Brickellia leptophylla var. mexicana (Shinners) Shinners , Brickellia rosemarinifolia var. chlorolepis (Woot. & Standl.) W.A. Weber , Brickellia shaffneri (Gray) Shinners , Kuhnia chlorolepis Woot. & Standl. , Kuhnia eupatorioides var. chlorolepis (Woot. & Standl.) Cronq. , Kuhnia leptophylla var. mexicana Shinners , Kuhnia microphylla Shinners , Kuhnia rosemarinifolia var. chlorolepis (Woot. & Standl.) Blake , Kuhnia shaffneri Gray

                                                                                                                                    var. corymbulosa (Torr. & Gray) Shinners Present in the Texas flora and known locally as: Plains kuhnia (Texas Distribution by vegetation zone) Synonymy: Kuhnia eupatorioides var. corymbulosa Torr. & Gray , Kuhnia hitchcockii A. Nels.

                                                                                                                                    var. eupatorioides Present in the Texas flora and known locally as: False boneset (Texas Distribution by vegetation zone) Synonymy: Brickellia rosemarinifolia (Vent.) W.A. Weber , Kuhnia eupatorioides L. , Kuhnia eupatorioides var. angustifolia Raf. , Kuhnia eupatorioides var. gracilis Torr. & Gray , Kuhnia eupatorioides var. pyramidalis Raf. , Kuhnia glutinosa Ell. , Kuhnia rosemarinifolia Vent.

                                                                                                                                    var. floridana (R.W. Long) B.L. Turner Synonymy: Brickellia mosieri (Small) Shinners , Kuhnia eupatorioides var. floridana R.W. Long , Kuhnia mosieri Small

                                                                                                                                    var. gracillima (Gray) B.L. Turner Present in the Texas flora (treated as Brickellia leptophylla (Scheele) Shinners by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Brickellia leptophylla (Scheele) Shinners , Kuhnia eupatorioides var. gracillima Gray , Kuhnia leptophylla Scheele

                                                                                                                                    var. texana (Shinners) Shinners Present in the Texas flora and known locally as: Prairie kuhnia (Texas Distribution by vegetation zone) Synonymy: Brickellia eupatorioides var. ozarkana (Shinners) Shinners , Kuhnia eupatorioides var. ozarkana Shinners , Kuhnia eupatorioides var. texana Shinners

                                                                                                                                  fendleri Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Brickelliastrum fendleri (Gray) King & H.E. Robins. , Eupatorium fendleri (Gray) Gray

                                                                                                                                  floribunda Gray

                                                                                                                                  frutescens Gray

                                                                                                                                  grandiflora (Hook.) Nutt. Present in the Texas flora and known locally as: Tasselflower brickellbush (Texas Distribution by vegetation zone) Synonymy: Brickellia grandiflora var. petiolaris Gray , Coleosanthus grandiflorus (Hook.) Kuntze

                                                                                                                                  greenei Gray

                                                                                                                                  incana Gray

                                                                                                                                  knappiana E. Drew

                                                                                                                                  laciniata Gray Present in the Texas flora and known locally as: Splitleaf brickellbush (Texas Distribution by vegetation zone)

                                                                                                                                  lemmonii Gray

                                                                                                                                    var. lemmonii

                                                                                                                                    var. wootonii (Greene) B.L. Robins. Synonymy: Brickellia lemmonii var. nelsonii (B.L. Robins.) B.L. Turner

                                                                                                                                  longifolia S. Wats.

                                                                                                                                    var. longifolia

                                                                                                                                    var. multiflora (Kellogg) Cronq. Synonymy: Brickellia multiflora Kellogg

                                                                                                                                  microphylla (Nutt.) Gray

                                                                                                                                    var. microphylla

                                                                                                                                    var. scabra Gray Synonymy: Brickellia microphylla ssp. scabra (Gray) W.A. Weber , Brickellia scabra (Gray) A. Nels. ex B.L. Robins.

                                                                                                                                    var. watsonii (B.L. Robins.) Welsh Synonymy: Brickellia watsonii B.L. Robins.

                                                                                                                                  nelsonii B.L. Robins. Present in the Texas flora, local name unknown. No Texas distribution data available

                                                                                                                                  nevinii Gray

                                                                                                                                  oblongifolia Nutt.

                                                                                                                                    var. linifolia (D.C. Eat.) B.L. Robins. Synonymy: Brickellia linifolia D.C. Eat.

                                                                                                                                    var. oblongifolia Synonymy: Brickellia oblongifolia var. typica B.L. Robins.

                                                                                                                                  parvula Gray Present in the Texas flora and known locally as: Mt. Davis brickellbush (Texas Distribution by vegetation zone)

                                                                                                                                  pringlei Gray

                                                                                                                                  rusbyi Gray Present in the Texas flora, local name unknown. No Texas distribution data available

                                                                                                                                  simplex Gray

                                                                                                                                  squamulosa Gray Synonymy: Asanthus squamulosus (Gray) King & H.E. Robins.

                                                                                                                                  venosa (Woot. & Standl.) B.L. Robins. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Coleosanthus venosus Woot. & Standl.

                                                                                                                                  veronicifolia (Kunth) Gray

                                                                                                                                    var. petrophila (B.L. Robins.) B.L. Robins. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                    var. veronicifolia Synonymy: Eupatorium veronicifolium Kunth

                                                                                                                                  viejensis Flyr Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                  Cacaliopsis Gray - SILVERCROWN

                                                                                                                                    nardosmia (Gray) Gray Synonymy: Cacalia nardosmia Gray , Cacalia nardosmia var. glabrata (Piper) Boivin , Cacaliopsis nardosmia var. glabrata Piper , Luina nardosmia (Gray) Cronq. , Luina nardosmia var. glabrata (Piper) Cronq.

                                                                                                                                    Calendula L. - FIELD-MARIGOLD

                                                                                                                                      arvensis L.

                                                                                                                                      officinalis L.

                                                                                                                                      Callistephus Cass. - CHINA-ASTER

                                                                                                                                        chinensis (L.) Nees Synonymy: Aster chinensis L.

                                                                                                                                        Calotis R. Br.

                                                                                                                                          cuneifolia R. Br.

                                                                                                                                          Calycadenia DC. - WESTERN ROSINWEED

                                                                                                                                            fremontii Gray Synonymy: Calycadenia ciliosa Greene , Hemizonia fremontii (Gray) Gray , Hemizonia multiglandulosa var. sparsa Gray

                                                                                                                                            hooveri G.D. Carr

                                                                                                                                            mollis Gray Synonymy: Hemizonia mollis (Gray) Gray

                                                                                                                                            multiglandulosa DC. Synonymy: Calycadenia campestris Greene , Calycadenia hispida (Greene) Greene , Calycadenia hispida ssp. reducta Keck , Calycadenia multiglandulosa ssp. bicolor (Greene) Keck , Calycadenia multiglandulosa ssp. cephalotes (DC.) Keck , Calycadenia multiglandulosa ssp. robusta Keck , Hemizonia hispida Greene

                                                                                                                                            oppositifolia (Greene) Greene Synonymy: Hemizonia oppositifolia Greene

                                                                                                                                            pauciflora Gray Synonymy: Calycadenia elegans Greene , Calycadenia pauciflora var. elegans (Greene) Jepson , Calycadenia ramulosa Greene , Hemizonia pauciflora (Gray) Gray

                                                                                                                                            spicata (Greene) Greene Synonymy: Hemizonia spicata Greene

                                                                                                                                            truncata DC.

                                                                                                                                              ssp. microcephala Hall ex Keck

                                                                                                                                              ssp. scabrella (E. Drew) Keck Synonymy: Calycadenia scabrella (E. Drew) Greene , Calycadenia truncata var. scabrella (E. Drew) Jepson , Hemizonia scabrella E. Drew , Lagophylla scabrella (E. Drew) M.E. Jones

                                                                                                                                              ssp. truncata Synonymy: Hemizonia truncata (DC.) Gray

                                                                                                                                            villosa DC. Synonymy: Hemizonia douglasii Gray

                                                                                                                                            Calycoseris Gray - TACKSTEM

                                                                                                                                              parryi Gray

                                                                                                                                              wrightii Gray Present in the Texas flora and known locally as: White cupfruit (Texas Distribution by vegetation zone)

                                                                                                                                              Calyptocarpus Less. - STRAGGLER-DAISY

                                                                                                                                                vialis Less. Present in the Texas flora and known locally as: Prostrate lawnflower, hierba del caballo (Texas Distribution by vegetation zone) Synonymy: Synedrella vialis (Less.) Gray , Synedrellopsis grisebachii auct. non Hieron. & Kuntze

                                                                                                                                                Canadanthus Nesom

                                                                                                                                                  modestus (Lindl.) Nesom Synonymy: Aster major (Hook.) Porter , Aster modestus Lindl. , Aster unalaschkensis var. major Hook. , Weberaster modestus (Lindl.) A.& D. Löve

                                                                                                                                                  Carduus L. - PLUMELESS-THISTLE

                                                                                                                                                    acanthoides L.

                                                                                                                                                    crispus L.

                                                                                                                                                    nutans L.

                                                                                                                                                      ssp. leiophyllus (Petrovic) Stojanov & Stef. Synonymy: Carduus nutans var. leiophyllus (Petrovic) ArŠnes , Carduus nutans var. vestitus (Hallier) Boivin

                                                                                                                                                      ssp. macrocephalus (Desf.) Nyman Present in the Texas flora (treated as Carduus nutans L. var. macrocephalus (Desf.) Boivin by Hatch et al, 1990) and known locally as: Muskthistle (Texas Distribution by vegetation zone) Synonymy: Carduus macrocephalus Desf. , Carduus nutans var. macrocephalus (Desf.) Boivin

                                                                                                                                                      ssp. macrolepis (Peterm.) Kazmi Synonymy: Carduus macrolepis Peterm.

                                                                                                                                                      ssp. nutans

                                                                                                                                                    X orthocephalus Wallr. [acanthoides X nutans]

                                                                                                                                                    pycnocephalus L.

                                                                                                                                                    tenuiflorus W. Curtis Present in the Texas flora and known locally as: Slender bristlethistle (Texas Distribution by vegetation zone)

                                                                                                                                                    Carlina L. - CARLINE-THISTLE

                                                                                                                                                      vulgaris L.

                                                                                                                                                      Carminatia Moc. ex DC. - PLUMEWEED

                                                                                                                                                        tenuiflora DC. Present in the Texas flora and known locally as: Plumeweed (Texas Distribution by vegetation zone)

                                                                                                                                                        Carphephorus Cass. - CHAFFHEAD

                                                                                                                                                          bellidifolius (Michx.) Torr. & Gray

                                                                                                                                                          carnosus (Small) C.W. James Synonymy: Litrisa carnosa Small

                                                                                                                                                          corymbosus (Nutt.) Torr. & Gray

                                                                                                                                                          odoratissimus (J.F. Gmel.) Herbert Synonymy: Trilisa odoratissima (J.F. Gmel.) Cass.

                                                                                                                                                          paniculatus (J.F. Gmel.) Herbert Synonymy: Trilisa paniculata (J.F. Gmel.) Cass.

                                                                                                                                                          pseudoliatris Cass.

                                                                                                                                                          tomentosus (Michx.) Torr. & Gray Synonymy: Carphephorus tomentosus var. walteri (Ell.) Fern.

                                                                                                                                                          Carphochaete Gray - BRISTLEHEAD

                                                                                                                                                            bigelovii Gray Present in the Texas flora and known locally as: Bigelow bristlehead (Texas Distribution by vegetation zone)

                                                                                                                                                            Carthamus L. - DISTAFF-THISTLE

                                                                                                                                                              lanatus L. Present in the Texas flora and known locally as: Distaff-thistle, saffron thistle (Texas Distribution by vegetation zone)

                                                                                                                                                                ssp. baeticus (Boiss. & Reut.) Nyman Synonymy: Carthamus baeticus (Boiss. & Reut.) Lara

                                                                                                                                                                ssp. lanatus

                                                                                                                                                              leucocaulos Sibith. & Sm.

                                                                                                                                                              oxyacantha Bieb.

                                                                                                                                                              tinctorius L.

                                                                                                                                                              Castalis Cass. - CAPE-MARIGOLD

                                                                                                                                                                tragus (Ait.) Norl. Synonymy: Dimorphotheca aurantiaca DC., non Horton

                                                                                                                                                                Centaurea L. - CORNFLOWER, KNAPWEED, AND STAR-THISTLE

                                                                                                                                                                  americana Nutt. Present in the Texas flora and known locally as: American basketflower, powderpuff thistle, thornless thistle, cardo del valle (Texas Distribution by vegetation zone)

                                                                                                                                                                  aspera L.

                                                                                                                                                                  biebersteinii DC. Synonymy: Acosta maculosa auct. non Holub , Centaurea maculosa auct. non Lam.

                                                                                                                                                                  bovina Velen.

                                                                                                                                                                  calcitrapa L.

                                                                                                                                                                  calcitrapoides L.

                                                                                                                                                                  cineraria L.

                                                                                                                                                                  cyanus L. Present in the Texas flora and known locally as: Cornflower, bluebottle, bachelor's-button (Texas Distribution by vegetation zone) Synonymy: Leucacantha cyanus (L.) Nieuwl. & Lunell

                                                                                                                                                                  debeauxii Gren. & Godr.

                                                                                                                                                                    ssp. thuillieri Dost l Synonymy: Centaurea pratensis Thuill., non Salisb.

                                                                                                                                                                  depressa Bieb.

                                                                                                                                                                  diffusa Lam. Synonymy: Acosta diffusa (Lam.) Soj k

                                                                                                                                                                  diluta Ait.

                                                                                                                                                                  eriophora L. Synonymy: Jacea pratensis Lam.

                                                                                                                                                                  iberica Trev. ex Spreng.

                                                                                                                                                                  jacea L.

                                                                                                                                                                  macrocephala Puschk. ex Willd.

                                                                                                                                                                  melitensis L. Present in the Texas flora and known locally as: Malta centaurea, malta starthistle, tocalote (Texas Distribution by vegetation zone)

                                                                                                                                                                  montana L.

                                                                                                                                                                  nigra L. Synonymy: Centaurea nigra var. radiata DC.

                                                                                                                                                                  nigrescens Willd. Synonymy: Centaurea dubia ssp. vochinensis (Bernh. ex Reichenb.) Hayek , Centaurea vochinensis Bernh. ex Reichenb.

                                                                                                                                                                  ovina Pallas ex Willd.

                                                                                                                                                                    ssp. besseriana (DC.) Dost l Synonymy: Centaurea besseriana DC.

                                                                                                                                                                  paniculata L.

                                                                                                                                                                  phrygia L. Synonymy: Centaurea austriaca Willd.

                                                                                                                                                                  X pouzinii DC. [aspera X calcitrapa]

                                                                                                                                                                  rothrockii Greenm.

                                                                                                                                                                  scabiosa L.

                                                                                                                                                                  solstitialis L. Present in the Texas flora and known locally as: Barnaby starthistle, yellow starthistle (Texas Distribution by vegetation zone)

                                                                                                                                                                  sulphurea Willd.

                                                                                                                                                                  transalpina Schleich. ex DC. Synonymy: Centaurea dubia Suter

                                                                                                                                                                  trichocephala Bieb. ex Willd.

                                                                                                                                                                  triumfettii All. Synonymy: Centaurea squarrosa Willd. , Centaurea virgata Lam. , Centaurea virgata var. squarrosa (Willd.) Boiss.

                                                                                                                                                                  Centipeda Lour. - SPREADING-SNEEZEWEED

                                                                                                                                                                    minima (L.) A. Braun & Aschers. Synonymy: Artemisia minima L.

                                                                                                                                                                    Centratherum Cass. - LARKDAISY

                                                                                                                                                                      punctatum Cass.

                                                                                                                                                                      Chaenactis DC. - PINCUSHION

                                                                                                                                                                        alpigena C.W. Sharsmith

                                                                                                                                                                        artemisiifolia (Harvey & Gray ex Gray) Gray

                                                                                                                                                                        carphoclinia Gray

                                                                                                                                                                          var. carphoclinia Synonymy: Chaenactis carphoclinia var. attenuata (Gray) M.E. Jones

                                                                                                                                                                          var. peirsonii (Jepson) Munz

                                                                                                                                                                        cusickii Gray

                                                                                                                                                                        douglasii (Hook.) Hook. & Arn.

                                                                                                                                                                          var. alpina Gray Synonymy: Chaenactis alpina (Gray) M.E. Jones , Chaenactis minuscula Greene

                                                                                                                                                                          var. douglasii Synonymy: Chaenactis angustifolia Greene , Chaenactis brachiata Greene , Chaenactis brachiata var. stansburiana Stockwell , Chaenactis cineria Stockwell , Chaenactis douglasii var. achilleifolia (Hook. & Arn.) Gray , Chaenactis douglasii var. glandulosa Cronq. , Chaenactis douglasii var. montana M.E. Jones , Chaenactis douglasii var. nana Stockwell , Chaenactis douglasii var. rubricaulis Rydb. , Chaenactis douglasii var. typicus Cronq. , Chaenactis humilis Rydb. , Chaenactis panamintensis Stockwell , Chaenactis ramosa Stockwell , Chaenactis rubricaulis Rydb. , Chaenactis suksdorfii Stockwell

                                                                                                                                                                        evermannii Greene Synonymy: Chaenactis nevadensis var. mainsiana (A. Nels. & J.F. Macbr.) Stockwell

                                                                                                                                                                        fremontii Gray

                                                                                                                                                                        glabriuscula DC.

                                                                                                                                                                          var. glabriuscula Synonymy: Chaenactis furcata Stockwell , Chaenactis glabriuscula var. aurea (Greene) Stockwell , Chaenactis glabriuscula var. curta (Gray) Jepson , Chaenactis glabriuscula var. tenuifolia (Nutt.) Hall , Chaenactis tenuifolia Nutt.

                                                                                                                                                                          var. heterocarpha (Torr. & Gray ex Gray) Hall Synonymy: Chaenactis glabriuscula var. gracilenta (Greene) Keck , Chaenactis heterocarpha Torr. & Gray ex Gray , Chaenactis tanacetifolia Gray , Chaenactis tanacetifolia var. gracilenta (Greene) Stockwell

                                                                                                                                                                          var. lanosa (DC.) Hall Synonymy: Chaenactis glabriuscula var. denudata (Nutt.) Munz , Chaenactis lanosa DC.

                                                                                                                                                                          var. megacephala Gray

                                                                                                                                                                          var. orcuttiana (Greene) Hall Synonymy: Chaenactis orcuttiana (Greene) Parish , Chaenactis tenuifolia var. orcuttiana Greene

                                                                                                                                                                        leucopsis Greene Synonymy: Chaenactis alpina var. leucopsis (Greene) Cockerell ex Stockwell , Chaenactis alpina var. rubella (Greene) Stockwell

                                                                                                                                                                        macrantha D.C. Eat.

                                                                                                                                                                        nevadensis (Kellogg) Gray

                                                                                                                                                                        nevii Gray

                                                                                                                                                                        parishii Gray

                                                                                                                                                                        santolinoides Greene Synonymy: Chaenactis santolinoides var. indurata Stockwell

                                                                                                                                                                        stevioides Hook. & Arn. Synonymy: Chaenactis gillespiei Stockwell , Chaenactis latifolia Stockwell , Chaenactis mexicana Stockwell , Chaenactis stevioides var. brachypappa (Gray) Hall , Chaenactis stevioides var. thornberi Stockwell

                                                                                                                                                                        suffrutescens Gray Synonymy: Chaenactis suffrutescens var. incana Stockwell

                                                                                                                                                                        thompsonii Cronq.

                                                                                                                                                                        xantiana Gray

                                                                                                                                                                        Chaetadelpha Gray ex S. Wats. - WHEELER'S-SKELETON-WEED

                                                                                                                                                                          wheeleri Gray ex S. Wats.

                                                                                                                                                                          Chaetopappa DC. - LEASTDAISY

                                                                                                                                                                            asteroides Nutt. ex DC. Present in the Texas flora and known locally as: Common leastdaisy, Rio Grande leastdaisy (Texas Distribution by vegetation zone)

                                                                                                                                                                              var. asteroides

                                                                                                                                                                              var. grandis Shinners

                                                                                                                                                                            bellidifolia (Gray & Engelm.) Shinners Present in the Texas flora and known locally as: Hairy leastdaisy (Texas Distribution by vegetation zone) Synonymy: Keerlia bellidifolia Gray & Engelm.

                                                                                                                                                                            bellioides (Gray) Shinners Present in the Texas flora and known locally as: Manyflower leastdaisy (Texas Distribution by vegetation zone) Synonymy: Chaetopappa bellioides var. hirticaulis Shinners , Diplostelma bellioides Gray

                                                                                                                                                                            effusa (Gray) Shinners Present in the Texas flora and known locally as: Spreading leastdaisy (Texas Distribution by vegetation zone) Synonymy: Keerlia effusa Gray

                                                                                                                                                                            ericoides (Torr.) Nesom Present in the Texas flora and known locally as: Babywhite-aster (Texas Distribution by vegetation zone) Synonymy: Aster arenosus (Heller) Blake , Aster hirtifolius Blake , Aster leucelene Blake , Inula ericoides Torr. , Leucelene ericoides (Torr.) Greene

                                                                                                                                                                            hersheyi Blake Present in the Texas flora and known locally as: Mat leastdaisy (Texas Distribution by vegetation zone)

                                                                                                                                                                            imberbis (Gray) Nesom Present in the Texas flora, local name unknown. No Texas distribution data available Synonymy: Chaetopappa asteroides var. imberbis Gray

                                                                                                                                                                            parryi Gray Present in the Texas flora and known locally as: Parry leastdaisy (Texas Distribution by vegetation zone)

                                                                                                                                                                            Chamaechaenactis Rydb. - FULLSTEM

                                                                                                                                                                              scaposa (Eastw.) Rydb.

                                                                                                                                                                                var. parva Preece & Turner

                                                                                                                                                                                var. scaposa Synonymy: Chaenactis scaposa Eastw.

                                                                                                                                                                              Chamaemelum P. Mill. - DOG-FENNEL

                                                                                                                                                                                fuscatum (Brot.) Vasc. Synonymy: Anthemis fuscata Brot.

                                                                                                                                                                                mixtum (L.) All. Synonymy: Anthemis mixta L. , Ormenis mixta (L.) Dumort.

                                                                                                                                                                                nobile (L.) All. Synonymy: Anthemis nobilis L.

                                                                                                                                                                                Chaptalia Vent. - SUNBONNETS

                                                                                                                                                                                  albicans (Sw.) Vent. ex Steud.

                                                                                                                                                                                  dentata (L.) Cass.

                                                                                                                                                                                  nutans (L.) Polak. Synonymy: Tussilago nutans L.

                                                                                                                                                                                  texana Greene Present in the Texas flora (treated as Chaptalia nutans (L.) Polak. var. texana (Greene) Burk. by Hatch et al, 1990) and known locally as: Silverpuff (Texas Distribution by vegetation zone) Synonymy: Chaptalia nutans var. texana (Greene) Burkart

                                                                                                                                                                                  tomentosa Vent. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                  Chloracantha Nesom - MEXICAN-DEVILWEED

                                                                                                                                                                                    spinosa (Benth.) Nesom Present in the Texas flora (treated as Leucosyris spinosa (Benth.) Greene by Hatch et al, 1990) and known locally as: Devil-weed a., Mexican devil-weed, spiny aster (Some authors treat this taxon as a variety of Erigeron ortegae Blake. (Texas Distribution by vegetation zone) Synonymy: Aster spinosus Benth. , Erigeron ortegae Blake , Leucosyris spinosa (Benth.) Greene

                                                                                                                                                                                    Chondrilla L. - HOGBITE

                                                                                                                                                                                      juncea L.

                                                                                                                                                                                      Chrysactinia Gray - DAMIANITA

                                                                                                                                                                                        mexicana Gray Present in the Texas flora and known locally as: Damianita (Texas Distribution by vegetation zone)

                                                                                                                                                                                        Chrysanthemum L. - CORNDAISY

                                                                                                                                                                                          carinatum Schousboe

                                                                                                                                                                                          coccineum Willd.

                                                                                                                                                                                          coronarium L.

                                                                                                                                                                                          frutescens L.

                                                                                                                                                                                          segetum L.

                                                                                                                                                                                          Chrysogonum L. - GREEN-AND-GOLD

                                                                                                                                                                                            virginianum L.

                                                                                                                                                                                              var. australe (Alexander ex Small) Ahles Synonymy: Chrysogonum australe Alexander ex Small

                                                                                                                                                                                              var. virginianum Synonymy: Chrysogonum virginianum var. dentatum Gray

                                                                                                                                                                                            Chrysoma Nutt. - WOODY-GOLDENROD

                                                                                                                                                                                              pauciflosculosa (Michx.) Greene Synonymy: Chrysoma solidaginoides Nutt. , Solidago pauciflosculosa Michx.

                                                                                                                                                                                              Chrysopsis (Nutt.) Ell. - GOLDEN-ASTER

                                                                                                                                                                                                floridana Small Listed by the U.S. FWS as endangered, the FWS local name is Florida golden aster and the FWS range is: U.S.A. (FL). Listed on May l6, 1986 (Volume 51 Federal Register 17977). Synonymy: Chrysopsis mariana var. floridana (Small) Fern. , Heterotheca floridana (Small) R.W. Long , Heterotheca mariana ssp. floridana (Small) Harms

                                                                                                                                                                                                godfreyi Semple

                                                                                                                                                                                                gossypina (Michx.) Ell.

                                                                                                                                                                                                  ssp. cruiseana (Dress) Semple Synonymy: Chrysopsis cruiseana Dress , Heterotheca cruiseana (Dress) Harms

                                                                                                                                                                                                  ssp. gossypina Synonymy: Chrysopsis arenicola Alexander ex Small , Chrysopsis decumbens Chapman , Chrysopsis longii Fern. , Chrysopsis pilosa (Walt.) Britt., non Nutt. , Chrysopsis trichophylla (Nutt.) Ell. , Heterotheca gossypina (Michx.) Shinners , Heterotheca trichophylla (Nutt.) Shinners , Inula gossypina Michx.

                                                                                                                                                                                                  ssp. hyssopifolia (Nutt.) Semple Synonymy: Chrysopsis gigantea Small , Chrysopsis hyssopifolia Nutt. , Chrysopsis mixta Dress , Heterotheca hyssopifolia (Nutt.) R.W. Long , Heterotheca hyssopifolia var. gigantea (Small) Harms

                                                                                                                                                                                                lanuginosa Small

                                                                                                                                                                                                latisquamea Pollard Synonymy: Heterotheca latisquamea (Pollard) Harms

                                                                                                                                                                                                linearifolia Semple

                                                                                                                                                                                                  ssp. dressii Semple

                                                                                                                                                                                                  ssp. linearifolia

                                                                                                                                                                                                mariana (L.) Ell. Present in the Texas flora (treated as Heterotheca mariana (L.) Shinners by Hatch et al, 1990) and known locally as: Maryland goldaster (Texas Distribution by vegetation zone) Synonymy: Chrysopsis mariana var. macradenia Fern. , Heterotheca mariana (L.) Shinners , Inula mariana L.

                                                                                                                                                                                                pilosa Nutt. Present in the Texas flora (treated as Heterotheca pilosa (Nutt.) Shinners by Hatch et al, 1990) and known locally as: Soft goldaster (Texas Distribution by vegetation zone) Synonymy: Chrysopsis nuttallii Britt. , Heterotheca pilosa (Nutt.) Shinners

                                                                                                                                                                                                scabrella Torr. & Gray Synonymy: Heterotheca scabrella (Torr. & Gray) Harms

                                                                                                                                                                                                subulata Small Synonymy: Heterotheca hyssopifolia var. subulata (Small) R.W. Long , Heterotheca subulata (Small) Harms

                                                                                                                                                                                                texana Nesom Present in the Texas flora (treated as Bradburia hirtella T. & G. by Hatch et al, 1990) and known locally as: Mauchia (Texas Distribution by vegetation zone) Synonymy: Bradburia hirtella Torr. & Gray

                                                                                                                                                                                                Chrysothamnus Nutt. - RABBITBRUSH

                                                                                                                                                                                                  albidus (M.E. Jones ex Gray) Greene Synonymy: Ericameria albida (M.E. Jones ex Gray) L.C. Anders.

                                                                                                                                                                                                  depressus Nutt. Synonymy: Ericameria depressa (Nutt.) L.C. Anders.

                                                                                                                                                                                                  eremobius L.C. Anders. Synonymy: Ericameria eremobia (L.C. Anders.) L.C. Anders

                                                                                                                                                                                                  gramineus Hall Synonymy: Ericameria graminea (Hall) L.C. Anders. , Petradoria discoidea L.C. Anders.

                                                                                                                                                                                                  greenei (Gray) Greene Synonymy: Chrysothamnus greenei ssp. filifolius (Rydb.) Hall & Clements , Chrysothamnus greenei var. filifolius (Rydb.) Blake , Ericameria filifolia (Rydb.) L.C. Anders.

                                                                                                                                                                                                  humilis Greene Synonymy: Chrysothamnus viscidiflorus ssp. humilis (Greene) Hall & Clements , Chrysothamnus viscidiflorus var. humilis (Greene) Jepson , Ericameria humilis (Greene) L.C. Anders.

                                                                                                                                                                                                  linifolius Greene Synonymy: Chrysothamnus viscidiflorus ssp. linifolius (Greene) Hall & Clements , Chrysothamnus viscidiflorus var. linifolius (Greene) Kittell , Ericameria linifolia (Greene) L.C. Anders.

                                                                                                                                                                                                  molestus (Blake) L.C. Anders. Synonymy: Chrysothamnus viscidiflorus var. molestus Blake , Ericameria molesta (Blake) L.C. Anders.

                                                                                                                                                                                                  pulchellus (Gray) Greene Present in the Texas flora and known locally as: Southwest rabbitbrush (Texas Distribution by vegetation zone)

                                                                                                                                                                                                    ssp. baileyi (Woot. & Standl.) Hall & Clements Synonymy: Chrysothamnus baileyi Woot. & Standl. , Chrysothamnus pulchellus var. baileyi (Woot. & Standl.) Blake , Ericameria pulchella ssp. baileyi (Woot. & Standl.) L.C. Anders.

                                                                                                                                                                                                    ssp. pulchellus Synonymy: Chrysothamnus pulchellus ssp. elatior (Standl.) Hall & Clements , Ericameria pulchella (Gray) L.C. Anders. , Ericameria pulchella var. elatior (Standl.) L.C. Anders.

                                                                                                                                                                                                  spathulatus L.C. Anders. Present in the Texas flora and known locally as: Douglas rabbitbrush (Texas Distribution by vegetation zone) Synonymy: Chrysothamnus viscidiflorus var. ludens Shinners , Ericameria spathulata (L.C. Anders.) L.C. Anders.

                                                                                                                                                                                                  vaseyi (Gray) Greene Synonymy: Bigelovia vaseyi Gray , Ericameria vaseyi (Gray) L.C. Anders.

                                                                                                                                                                                                  viscidiflorus (Hook.) Nutt.

                                                                                                                                                                                                    ssp. axillaris (Keck) L.C. Anders. Synonymy: Chrysothamnus axillaris Keck , Ericameria viscidiflora ssp. axillaris (Keck) L.C. Anders.

                                                                                                                                                                                                    ssp. lanceolatus (Nutt.) Hall & Clements Synonymy: Chrysothamnus viscidiflorus ssp. elegans (Greene) Hall & Clements , Chrysothamnus viscidiflorus var. elegans (Greene) Blake , Chrysothamnus viscidiflorus var. lanceolatus (Nutt.) Greene , Ericameria viscidiflora ssp. lanceolata (Nutt.) L.C. Anders.

                                                                                                                                                                                                    ssp. planifolius L.C. Anders. Synonymy: Ericameria viscidiflora ssp. planifolia (L.C. Anders.) L.C. Anders.

                                                                                                                                                                                                    ssp. puberulus (D.C. Eat.) Hall & Clements Synonymy: Chrysothamnus viscidiflorus var. puberulus (D.C. Eat.) Jepson , Ericameria viscidiflora ssp. puberula (D.C. Eaton) L.C. Anders.

                                                                                                                                                                                                    ssp. viscidiflorus

                                                                                                                                                                                                      var. stenophyllus (Gray) Hall Synonymy: Chrysothamnus viscidiflorus ssp. stenophyllus (Gray) Hall & Clements , Ericameria viscidiflora var. stenophylla (Gray) L.C. Anders.

                                                                                                                                                                                                      var. viscidiflorus Synonymy: Chrysothamnus viscidiflorus ssp. latifolius (D.C. Eat.) Hall & Clements , Chrysothamnus viscidiflorus ssp. pumilus (Nutt.) Hall & Clements , Chrysothamnus viscidiflorus ssp. typicus Hall & Clements , Chrysothamnus viscidiflorus var. latifolius (D.C. Eat.) Greene , Chrysothamnus viscidiflorus var. pumilus (Nutt.) Jepson , Chrysothamnus viscidiflorus var. typicus (Hall & Clements) Cronq. , Ericameria viscidiflora (Hook.) L.C. Anders. , Ericameria viscidiflora var. latifolia (D.C. Eaton) L.C. Anders.

                                                                                                                                                                                                  Cichorium L. - CHICORY AND ENDIVE

                                                                                                                                                                                                    endivia L.

                                                                                                                                                                                                    intybus L. Present in the Texas flora and known locally as: Common chicory, blue-sailors (Texas Distribution by vegetation zone)

                                                                                                                                                                                                    Cirsium P. Mill. - THISTLE

                                                                                                                                                                                                      altissimum (L.) Hill Present in the Texas flora and known locally as: Iowa thistle (Texas Distribution by vegetation zone) Synonymy: Carduus altissimus L. , Cirsium altissimum var. biltmoreanum Petrak

                                                                                                                                                                                                      amblylepis Petrak

                                                                                                                                                                                                      andersonii (Gray) Petrak

                                                                                                                                                                                                      andrewsii (Gray) Jepson Synonymy: Cnicus amplifolius Greene

                                                                                                                                                                                                      araneans Rydb. Synonymy: Carduus araneosus Osterhout

                                                                                                                                                                                                      arcuum A. Nels.

                                                                                                                                                                                                      aridum Dorn

                                                                                                                                                                                                      arizonicum (Gray) Petrak

                                                                                                                                                                                                        var. arizonicum Synonymy: Cnicus arizonicus Gray

                                                                                                                                                                                                        var. nidulum (M.E. Jones) Welsh Synonymy: Cirsium nidulum (M.E. Jones) Petrak

                                                                                                                                                                                                      arvense (L.) Scop. Synonymy: Carduus arvensis (L.) Robson , Cirsium arvense var. argenteum (Vest) Fiori , Cirsium arvense var. horridum Wimmer & Grab. , Cirsium arvense var. integrifolium Wimmer & Grab. , Cirsium arvense var. mite Wimmer & Grab. , Cirsium arvense var. vestitum Wimmer & Grab. , Cirsium incanum (Gmel.) Fisch. , Cirsium setosum (Willd.) Bess. ex Bieb. , Serratula arvensis L.

                                                                                                                                                                                                      barnebyi Welsh & Neese

                                                                                                                                                                                                      brevifolium Nutt. Synonymy: Cirsium palousense Piper

                                                                                                                                                                                                      brevistylum Cronq.

                                                                                                                                                                                                      calcareum (M.E. Jones) Woot. & Standl. Synonymy: Carduus pulchellus Greene , Carduus truncatus Greene , Cirsium bipinnatum (Eastw.) Rydb. , Cirsium calcareum var. bipinnatum (Eastw.) Welsh , Cirsium calcareum var. pulchellum (Greene) Welsh , Cirsium pulchellum (Greene) Woot. & Standl. , Cirsium pulchellum ssp. bipinnatum (Eastw.) Petrak , Cirsium pulchellum var. glabrescens Petrak , Cnicus calcareus M.E. Jones

                                                                                                                                                                                                      X canalense Petrak

                                                                                                                                                                                                      canescens Nutt. Synonymy: Carduus undulatus var. canescens (Nutt.) Porter , Cirsium nebraskense (Britt.) Lunell , Cirsium nelsonii (Pammel) Petrak , Cirsium plattense (Rydb.) Cockerell ex Daniels

                                                                                                                                                                                                      canovirens (Rydb.) Petrak

                                                                                                                                                                                                      canum (L.) All.

                                                                                                                                                                                                      carolinianum (Walt.) Fern. & Schub. Present in the Texas flora and known locally as: Soft thistle (Texas Distribution by vegetation zone) Synonymy: Carduus carolinianus Walt. , Cirsium flaccidum Small

                                                                                                                                                                                                      chellyense Moore & Frankton

                                                                                                                                                                                                      chuskaense Moore & Frankton

                                                                                                                                                                                                      ciliolatum (Henderson) J.T. Howell Synonymy: Cirsium botrys Petrak , Cirsium howellii Petrak

                                                                                                                                                                                                      clavatum (M.E. Jones) Petrak

                                                                                                                                                                                                      clokeyi Blake

                                                                                                                                                                                                      congdonii Moore & Frankton

                                                                                                                                                                                                      crassicaule (Greene) Jepson

                                                                                                                                                                                                      X crassum Petrak

                                                                                                                                                                                                      cymosum (Greene) J.T. Howell Synonymy: Cirsium triacanthum Petrak

                                                                                                                                                                                                      discolor (Muhl. ex Willd.) Spreng. Synonymy: Carduus discolor (Muhl. ex Willd.) Nutt.

                                                                                                                                                                                                      douglasii DC.

                                                                                                                                                                                                        var. breweri (Petrak) Keil & C. Turner Synonymy: Cirsium breweri (Gray) Jepson , Cirsium breweri var. lanosissimum Petrak p.p. , Cirsium douglasii var. canescens (Petrak) J.T. Howell

                                                                                                                                                                                                        var. douglasii Synonymy: Cirsium breweri var. wrangelii Petrak

                                                                                                                                                                                                      drummondii Torr. & Gray Synonymy: Cirsium coccinatum Osterhout

                                                                                                                                                                                                      eatonii (Gray) B.L. Robins. Synonymy: Cirsium eatonii var. harrisonii Welsh , Cirsium eriocephalum var. leiocephalum D.C. Eat. , Cirsium hookerianum var. eriocephalum (Gray) A. Nels. , Cirsium polyphyllum (Rydb.) Petrak , Cirsium tweedyi (Rydb.) Petrak

                                                                                                                                                                                                      edule Nutt. Synonymy: Carduus macounii Greene , Cirsium macounii (Greene) Rydb.

                                                                                                                                                                                                      engelmannii Rydb. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Cirsium altissimum var. filipendulum (Engelm.) Gray , Cirsium filipendulum Engelm. , Cirsium terraenigrae Shinners

                                                                                                                                                                                                      X erosum (Rydb.) K. Schum. (pro sp.) [callilepis X scariosum]

                                                                                                                                                                                                      flodmanii (Rydb.) Arthur Synonymy: Cirsium nebraskense var. discissum Lunell , Cirsium oblanceolatum (Rydb.) K. Schum.

                                                                                                                                                                                                      foliosum (Hook.) DC. Synonymy: Cirsium foliosum var. minganense (Victorin) Boivin

                                                                                                                                                                                                      fontinale (Greene) Jepson Listed by the U.S. FWS as endangered, the FWS local name is Fountain thistle and the FWS range is: U.S.A. (CA).

                                                                                                                                                                                                        var. campylon (H.K. Sharsmith) Pilz ex Keil & C. Turner Synonymy: Cirsium campylon H.K. Sharsmith

                                                                                                                                                                                                        var. fontinale

                                                                                                                                                                                                        var. obispoense J.T. Howell Listed by the U.S. FWS as endangered, the FWS local name is Thistle, Chorro Creek bog and the FWS range is: U.S.A. (CA). Listed on December 15, 1994 (Volume 59 Federal Register 64623).

                                                                                                                                                                                                      gilense Woot. & Standl.

                                                                                                                                                                                                      grahamii Gray

                                                                                                                                                                                                      griseum (Rydb.) K. Schum.

                                                                                                                                                                                                      hallii (Gray) M.E. Jones

                                                                                                                                                                                                      helenioides (L.) Hill Synonymy: Carduus helenioides L. , Cirsium heterophyllum (L.) Hill

                                                                                                                                                                                                      hillii (Canby) Fern. Synonymy: Cirsium pumilum ssp. hillii (Canby) Moore & Frankton , Cirsium pumilum var. hillii (Canby) Boivin

                                                                                                                                                                                                      hookerianum Nutt.

                                                                                                                                                                                                      horridulum Michx. Present in the Texas flora and known locally as: Yellow thistle, bull thistle (Texas Distribution by vegetation zone) Synonymy: Carduus pinetorum Small , Carduus smallii (Britt.) Ahles , Carduus spinosissimus Walt. , Cirsium horridulum var. elliottii Torr. & Gray , Cirsium horridulum var. vittatum (Small) R.W. Long , Cirsium smallii Britt. , Cirsium spinosissimum auct. non (L.) Scop. , Cirsium vittatum Small

                                                                                                                                                                                                      humboldtense Rydb. Synonymy: Carduus nevadensis Greene

                                                                                                                                                                                                      hydrophilum (Greene) Jepson

                                                                                                                                                                                                        var. hydrophilum Synonymy: Cirsium vaseyi var. hydrophilum (Greene) Petrak

                                                                                                                                                                                                        var. vaseyi (Gray) J.T. Howell Synonymy: Cirsium montigenum Petrak , Cirsium vaseyi (Gray) Jepson , Cnicus breweri var. vaseyi Gray

                                                                                                                                                                                                      inornatum Woot. & Standl.

                                                                                                                                                                                                      X iowense (Pammel) Fern. (pro sp.) [altissimum X discolor]

                                                                                                                                                                                                      kamtschaticum Ledeb. ex DC.

                                                                                                                                                                                                      laterifolium (Osterhout) Petrak

                                                                                                                                                                                                      lecontei Torr. & Gray Synonymy: Carduus lecontei (Torr. & Gray) Pollard

                                                                                                                                                                                                      loncholepis Petrak

                                                                                                                                                                                                      longistylum Moore & Frankton

                                                                                                                                                                                                      mendocinum Petrak

                                                                                                                                                                                                      mexicanum DC.

                                                                                                                                                                                                      modestum (Osterhout) Cockerell

                                                                                                                                                                                                      mohavense (Greene) Petrak

                                                                                                                                                                                                      murdockii (Welsh) Cronq. Synonymy: Cirsium eatonii var. murdockii Welsh , Cirsium tweedyi auct. non (Rydb.) Petrak

                                                                                                                                                                                                      muticum Michx. Present in the Texas flora and known locally as: Swamp thistle (Texas Distribution by vegetation zone) Synonymy: Carduus muticus (Michx.) Pers. , Cirsium bigelovii DC. , Cirsium muticum var. monticola Fern. , Cirsium muticum var. subpinnatifidum (Britt.) Fern.

                                                                                                                                                                                                      navajoense Moore & Frankton

                                                                                                                                                                                                      neomexicanum Gray

                                                                                                                                                                                                        var. neomexicanum

                                                                                                                                                                                                        var. utahense (Petrak) Welsh Synonymy: Carduus inamoenus Greene , Cirsium utahense Petrak , Cirsium wallowense M.E. Peck

                                                                                                                                                                                                      nuttallii DC. Synonymy: Carduus nuttallii (DC.) Pollard

                                                                                                                                                                                                      occidentale (Nutt.) Jepson

                                                                                                                                                                                                        var. californicum (Gray) Keil & C. Turner Synonymy: Cirsium californicum Gray , Cirsium californicum ssp. pseudoreglense Petrak , Cirsium californicum var. bernardinum (Greene) Petrak

                                                                                                                                                                                                        var. compactum Hoover

                                                                                                                                                                                                        var. occidentale Synonymy: Cirsium coulteri Harvey & Gray

                                                                                                                                                                                                        var. venustum (Greene) Jepson Synonymy: Cirsium proteanum J.T. Howell

                                                                                                                                                                                                      ochrocentrum Gray Present in the Texas flora and known locally as: Yellowspine thistle (Texas Distribution by vegetation zone) Synonymy: Cnicus ochrocentrus (Gray) Gray

                                                                                                                                                                                                      olivescens (Rydb.) Petrak

                                                                                                                                                                                                      oreophilum (Rydb.) K. Schum.

                                                                                                                                                                                                      osterhoutii (Rydb.) Petrak

                                                                                                                                                                                                      ownbeyi Welsh

                                                                                                                                                                                                      pallidum Woot. & Standl.

                                                                                                                                                                                                      palustre (L.) Scop.

                                                                                                                                                                                                      parryi (Gray) Petrak

                                                                                                                                                                                                        ssp. mogollonicum C. Schaack & G. Goodwin

                                                                                                                                                                                                        ssp. parryi Synonymy: Cnicus parryi Gray

                                                                                                                                                                                                      pastoris J.T. Howell Synonymy: Cirsium candidissimum (Greene) A. Davids. & Moxley , Cirsium occidentale var. candidissimum (Greene) J.F. Macbr.

                                                                                                                                                                                                      peckii Henderson

                                                                                                                                                                                                      perplexans (Rydb.) Petrak

                                                                                                                                                                                                      pitcheri (Torr. ex Eat.) Torr. & Gray Listed by the U.S. FWS as threatened - the FWS local name is Pitcher's thistle and the FWS range is: U.S.A. (IL, IN, MI, WI), Canada (Ont.).

                                                                                                                                                                                                      praeteriens J.F. Macbr.

                                                                                                                                                                                                      pulcherrimum (Rydb.) K. Schum.

                                                                                                                                                                                                      pumilum (Nutt.) Spreng. Synonymy: Carduus pumilus Nutt. , Cirsium odoratum (Muhl. ex W. Bart.) Petrak

                                                                                                                                                                                                      quercetorum (Gray) Jepson

                                                                                                                                                                                                        var. quercetorum Synonymy: Cirsium quercetorum var. mendocinum Petrak

                                                                                                                                                                                                        var. walkerianum (Petrak) Jepson Synonymy: Cirsium walkerianum Petrak

                                                                                                                                                                                                        var. xerolepis Petrak

                                                                                                                                                                                                      remotifolium (Hook.) DC.

                                                                                                                                                                                                        ssp. oregonense Petrak Synonymy: Cirsium callilepis var. oregonense (Petrak) J.T. Howell , Cirsium centaureae (Rydb.) K. Schum.

                                                                                                                                                                                                        ssp. pseudocarlinoides Petrak Synonymy: Cirsium callilepis var. pseudocarlinoides (Petrak) J.T. Howell

                                                                                                                                                                                                        ssp. remotifolium Synonymy: Cirsium acanthodontum Blake , Cirsium callilepis (Greene) Jepson , Cirsium oreganum Piper , Cirsium remotifolium var. odontolepis Petrak , Cirsium remotifolium var. rivulare Jepson , Cirsium stenolepidum Nutt.

                                                                                                                                                                                                      repandum Michx. Synonymy: Carduus repandus (Michx.) Pers.

                                                                                                                                                                                                      rhothophilum Blake Synonymy: Cirsium maritimum (Elmer) Petrak

                                                                                                                                                                                                      rothrockii (Gray) Petrak Synonymy: Cirsium diffusum (Eastw.) Rydb. , Cirsium pulchellum ssp. diffusum (Eastw.) Petrak

                                                                                                                                                                                                      rusbyi (Greene) Petrak

                                                                                                                                                                                                      rydbergii Petrak Synonymy: Cirsium lactucinum Rydb.

                                                                                                                                                                                                      scabrum (Poir.) Bonnet & Barratte

                                                                                                                                                                                                      scapanolepis Petrak Synonymy: Carduus spathulatus Osterhout , Cirsium spathulifolium Rydb.

                                                                                                                                                                                                      scariosum Nutt.

                                                                                                                                                                                                        var. scariosum Synonymy: Cirsium butleri (Rydb.) Petrak , Cirsium kelseyi (Rydb.) Petrak , Cirsium magnificum (A. Nels.) Petrak , Cirsium minganense Victorin , Cirsium lacerum (Rydb.) Petrak

                                                                                                                                                                                                        var. thorneae Welsh

                                                                                                                                                                                                      scopulorum (Greene) Cockerell ex Daniels Synonymy: Cirsium eriocephalum Gray , Cirsium hesperium (Eastw.) Petrak

                                                                                                                                                                                                      subniveum Rydb. Synonymy: Cirsium davisii Cronq.

                                                                                                                                                                                                      texanum Buckl. Present in the Texas flora and known locally as: Southern thistle (Texas Distribution by vegetation zone) Synonymy: Carduus austrinus Small , Cirsium texanum var. stenolepis Shinners

                                                                                                                                                                                                      tioganum (Congd.) Petrak

                                                                                                                                                                                                        var. coloradense (Rydb.) Dorn Synonymy: Carduus coloradensis Rydb. , Cirsium coloradense (Rydb.) Cockerell

                                                                                                                                                                                                        var. tioganum Synonymy: Carduus americanus (Gray) Rydb. , Cirsium acaule var. americanum Gray , Cirsium acaulescens (Rydb.) K. Schum. , Cirsium americanum (Gray) K. Schum. , Cirsium coloradense ssp. acaulescens (Rydb.) Petrak , Cirsium coloradense ssp. longissimum (Heller) Petrak , Cirsium drummondii ssp. lanatum Petrak , Cirsium drummondii ssp. latisquamum Petrak , Cirsium drummondii ssp. vexans Petrak , Cirsium drummondii var. acaulescens (Rydb.) J.F. Macbr. , Cirsium drummondii var. oregonense Petrak , Cirsium quercetorum var. citrinum Petrak , Cnicus drummondii var. acaulescens Rydb. , Cnicus tioganus Congd.

                                                                                                                                                                                                      turneri Warnock Present in the Texas flora and known locally as: Cliff thistle (Texas Distribution by vegetation zone)

                                                                                                                                                                                                      undulatum (Nutt.) Spreng. Present in the Texas flora and known locally as: Wayleaf thistle (Texas Distribution by vegetation zone)

                                                                                                                                                                                                        var. tracyi (Rydb.) Welsh Synonymy: Carduus tracyi Rydb. , Cirsium acuatum (Osterhout) Petrak , Cirsium floccosum (Rydb.) Petrak , Cirsium tracyi (Rydb.) Petrak

                                                                                                                                                                                                        var. undulatum Synonymy: Carduus helleri Small , Carduus undulatus Nutt. , Cirsium helleri (Small) Cory , Cirsium megacephalum (Gray) Cockerell , Cirsium ochrocentrum var. helleri (Small) Petrak , Cirsium undulatum var. megacephalum (Gray) Fern. , Cnicus undulatus var. megacephalus Gray

                                                                                                                                                                                                      validus Greene

                                                                                                                                                                                                      X vancouverense Moore & Frankton [brevistylum X edule]

                                                                                                                                                                                                      vernale (Osterhout) Cockerell

                                                                                                                                                                                                      vinaceum Woot. & Standl. Listed by the U.S. FWS as threatened - the FWS local name is Sacramento Mountains thistle and the FWS range is: U.S.A. (NM).

                                                                                                                                                                                                      virginense Welsh

                                                                                                                                                                                                      virginianum (L.) Michx. Synonymy: Carduus virginianus L. , Cirsium revolutum (Small) Petrak

                                                                                                                                                                                                      vulgare (Savi) Ten. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Carduus lanceolatus L. , Carduus vulgaris Savi , Cirsium lanceolatum (L.) Scop., non Hill , Cirsium lanceolatum var. hypoleucum DC.

                                                                                                                                                                                                      wheeleri (Gray) Petrak Synonymy: Cirsium blumeri Petrak , Cirsium perennans (Greene) Woot. & Standl. , Cnicus wheeleri Gray

                                                                                                                                                                                                      wrightii Gray

                                                                                                                                                                                                      Clappia Gray - CLAPDAISY

                                                                                                                                                                                                        suaedifolia Gray Present in the Texas flora and known locally as: Fleshyleaf clappia (Texas Distribution by vegetation zone)

                                                                                                                                                                                                        Clibadium L. - JACKASS-BREADNUT

                                                                                                                                                                                                          erosum (Sw.) DC.

                                                                                                                                                                                                          Cnicus L. - BLESSED-THISTLE

                                                                                                                                                                                                            benedictus L. Synonymy: Centaurea benedicta (L.) L. , Cirsium pugnax Sommier & Levier

                                                                                                                                                                                                            Columbiadoria Nesom

                                                                                                                                                                                                              hallii (Gray) Nesom Synonymy: Haplopappus hallii Gray , Hesperodoria hallii (Gray) Greene

                                                                                                                                                                                                              Conyza Less. - HORSEWEED

                                                                                                                                                                                                                apurensis Kunth Synonymy: Conyza subspathulata Cronq. , Erigeron apurensis (Kunth) Griseb. , Erigeron chinensis Jacq. , Erigeron spathulatus Vahl , Leptilon chinense (Jacq.) Britt.

                                                                                                                                                                                                                bonariensis (L.) Cronq. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                  var. bonariensis Synonymy: Erigeron bonariensis L. , Erigeron linifolius Willd. , Leptilon bonariense (L.) Small , Leptilon linifolium (Willd.) Small

                                                                                                                                                                                                                  var. leiotheca (Blake) Cuatrec. Synonymy: Conyza bilboana Remy , Conyza floribunda Kunth , Erigeron bilboanus (Remy) Cabrera , Erigeron floribundus (Kunth) Schultz-Bip.

                                                                                                                                                                                                                canadensis (L.) Cronq.

                                                                                                                                                                                                                  var. canadensis Present in the Texas flora and known locally as: Horsetail conyza, marshtail, Canada feabane (Texas Distribution by vegetation zone) Synonymy: Erigeron canadensis L. , Leptilon canadense (L.) Britt.

                                                                                                                                                                                                                  var. glabrata (Gray) Cronq. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Erigeron canadensis var. glabratus Gray

                                                                                                                                                                                                                  var. pusilla (Nutt.) Cronq. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Conyza parva Cronq. , Erigeron canadensis var. pusillus (Nutt.) Boivin, non Ahles , Erigeron pusillus Nutt. , Leptilon pusillum (Nutt.) Britt.

                                                                                                                                                                                                                ramosissima Cronq. Present in the Texas flora and known locally as: Low conyza, low fleabane (Texas Distribution by vegetation zone) Synonymy: Erigeron divaricatus Michx. , Leptilon divaricatum (Michx.) Raf.

                                                                                                                                                                                                                Coreocarpus Benth. - LEMONHEAD

                                                                                                                                                                                                                  arizonicus (Gray) Blake

                                                                                                                                                                                                                  Coreopsis L. - TICKSEED

                                                                                                                                                                                                                    auriculata L.

                                                                                                                                                                                                                    basalis (A. Dietr.) Blake Present in the Texas flora and known locally as: Goldenmane coreopsis (Texas Distribution by vegetation zone) Synonymy: Calliopsis basalis A. Dietr. , Coreopsis drummondii (D. Don) Torr. & Gray

                                                                                                                                                                                                                    bigelovii (Gray) Hall Synonymy: Leptosyne bigelovii (Gray) Gray , Pugiopappus bigelovii Gray

                                                                                                                                                                                                                    californica (Nutt.) H.K. Sharsmith

                                                                                                                                                                                                                      var. californica Synonymy: Leptosyne californica Nutt.

                                                                                                                                                                                                                      var. newberryi (Gray) E.B. Sm. Synonymy: Coreopsis newberryi Gray

                                                                                                                                                                                                                    calliopsidea (DC.) Gray Synonymy: Agarista calliopsidea DC.

                                                                                                                                                                                                                    X delphiniifolia Lam. (pro sp.) [tripteris X verticillata and perhaps major] Synonymy: Coreopsis delphiniifolia var. chlooidea Sherff , Coreopsis major var. linearis Small

                                                                                                                                                                                                                    douglasii (DC.) Hall Synonymy: Coreopsis stillmanii var. jonesii Sherff , Leptosyne douglasii DC.

                                                                                                                                                                                                                    falcata Boynt.

                                                                                                                                                                                                                    floridana E.B. Sm.

                                                                                                                                                                                                                    gigantea (Kellogg) Hall Synonymy: Leptosyne gigantea Kellogg , Tuckermannia gigantea (Kellogg) M.E. Jones

                                                                                                                                                                                                                    gladiata Walt. Synonymy: Coreopsis angustifolia Ait., non L. , Coreopsis helianthoides Beadle , Coreopsis longifolia Small , Coreopsis longifolia var. godfreyi Sherff

                                                                                                                                                                                                                    grandiflora Hogg ex Sweet

                                                                                                                                                                                                                      var. grandiflora Present in the Texas flora and known locally as: Big-flower coreopsis (Texas Distribution by vegetation zone) Synonymy: Coreopsis grandiflora var. pilosa Sherff

                                                                                                                                                                                                                      var. harveyana (Gray) Sherff Present in the Texas flora and known locally as: Cordleaf coreopsis (Texas Distribution by vegetation zone) Synonymy: Coreopsis heterolepis Sherff

                                                                                                                                                                                                                      var. longipes (Hook.) Torr. & Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Coreopsis longipes Hook.

                                                                                                                                                                                                                      var. saxicola (Alexander) E.B. Sm. Synonymy: Coreopsis saxicola Alexander , Coreopsis saxicola var. duncanii Sherff

                                                                                                                                                                                                                    hamiltonii (Elmer) H.K. Sharsmith Synonymy: Leptosyne hamiltonii Elmer

                                                                                                                                                                                                                    integrifolia Poir.

                                                                                                                                                                                                                    intermedia Sherff Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                    lanceolata L. Present in the Texas flora and known locally as: Lance coreopsis (Texas Distribution by vegetation zone) Synonymy: Coreopsis crassifolia Ait. , Coreopsis heterogyna Fern. , Coreopsis lanceolata var. villosa Michx.

                                                                                                                                                                                                                    latifolia Michx. Synonymy: Leiodon latifolius (Michx.) Shuttlw.

                                                                                                                                                                                                                    leavenworthii Torr. & Gray Synonymy: Coreopsis angustata Greene , Coreopsis leavenworthii var. curtissii Sherff , Coreopsis leavenworthii var. garberi Gray , Coreopsis leavenworthii var. lewtonii (Small) Sherff , Coreopsis lewtonii Small

                                                                                                                                                                                                                    linifolia Nutt. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Coreopsis gladiata var. linifolia (Nutt.) Cronq. , Coreopsis oniscicarpa Fern. , Coreopsis oniscicarpa var. simulans Fern. , Coreopsis saxicoloidea Sherff

                                                                                                                                                                                                                    major Walt. Synonymy: Coreopsis major var. oemleri (Ell.) Britt. ex Small & Vail , Coreopsis major var. rigida (Nutt.) Boynt. , Coreopsis major var. stellata (Nutt.) B.L. Robins.

                                                                                                                                                                                                                    maritima (Nutt.) Hook. f. Synonymy: Tuckermannia maritima Nutt.

                                                                                                                                                                                                                    nudata Nutt.

                                                                                                                                                                                                                    nuecensis Heller Present in the Texas flora and known locally as: Crown coreopsis (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                    nuecensoides E.B. Sm. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                    palmata Nutt.

                                                                                                                                                                                                                    pubescens Ell.

                                                                                                                                                                                                                      var. debilis (Sherff) E.B. Sm. Synonymy: Coreopsis corninsularis Sherff , Coreopsis debilis Sherff

                                                                                                                                                                                                                      var. pubescens Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                      var. robusta Gray ex Eames

                                                                                                                                                                                                                    pulchra Boynt.

                                                                                                                                                                                                                    rosea Nutt.

                                                                                                                                                                                                                    stillmanii (Gray) Blake Synonymy: Leptosyne stillmanii Gray

                                                                                                                                                                                                                    tinctoria Nutt.

                                                                                                                                                                                                                      var. atkinsoniana (Dougl. ex Lindl.) H.M. Parker Synonymy: Coreopsis atkinsoniana Dougl. ex Lindl.

                                                                                                                                                                                                                      var. similis (Boynt.) H.M. Parker Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Coreopsis similis Boynt.

                                                                                                                                                                                                                      var. tinctoria Present in the Texas flora and known locally as: Plains coreopsis, cardamine coreopsis, manzanilla silvestre (Texas Distribution by vegetation zone) Synonymy: Coreopsis cardaminefolia (DC.) Torr. & Gray , Coreopsis stenophylla Boynt. , Coreopsis tinctoria var. imminuta Sherff

                                                                                                                                                                                                                    tripteris L. Present in the Texas flora and known locally as: Atlantic coreopsis (Texas Distribution by vegetation zone) Synonymy: Coreopsis tripteris var. deamii Standl. , Coreopsis tripteris var. intercedens Standl. , Coreopsis tripteris var. smithii Sherff , Coreopsis tripteris var. subrhomboidea Sherff

                                                                                                                                                                                                                    verticillata L.

                                                                                                                                                                                                                    wrightii (Gray) H.M. Parker Present in the Texas flora and known locally as: Rock coreopsis (Texas Distribution by vegetation zone) Synonymy: Coreopsis basalis var. wrightii (Gray) Blake , Coreopsis drummondii var. wrightii Gray

                                                                                                                                                                                                                    Cosmos Cav. - COSMOS

                                                                                                                                                                                                                      bipinnatus Cav.

                                                                                                                                                                                                                      caudatus Kunth Synonymy: Bidens caudatus (Kunth) Schultz-Bip.

                                                                                                                                                                                                                      parviflorus (Jacq.) Pers. Present in the Texas flora and known locally as: Southwest cosmos (Texas Distribution by vegetation zone) Synonymy: Coreopsis parviflora Jacq.

                                                                                                                                                                                                                      sulphureus Cav. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                      Cotula L. - BRASSBUTTONS AND WATER-BUTTONS

                                                                                                                                                                                                                        australis (Sieber) Hook. f. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                        coronopifolia L.

                                                                                                                                                                                                                        Crassocephalum Moench - RAGLEAF

                                                                                                                                                                                                                          crepidioides (Benth.) S. Moore

                                                                                                                                                                                                                          Crepis L. - HAWK'S-BEARD

                                                                                                                                                                                                                            acuminata Nutt.

                                                                                                                                                                                                                              ssp. acuminata Synonymy: Crepis acuminata ssp. typica Babcock & Stebbins , Psilochenia acuminata (Nutt.) W.A. Weber

                                                                                                                                                                                                                              ssp. pluriflora Babcock & Stebbins Synonymy: Psilochenia acuminata ssp. pluriflora (Babcock & Stebbins) W.A. Weber

                                                                                                                                                                                                                            atribarba Heller

                                                                                                                                                                                                                              ssp. atribarba Synonymy: Crepis atribarba ssp. cytotaxonomicorum (Boivin) W.A. Weber , Crepis atribarba ssp. typicus Babcock & Stebbins , Crepis atribarba var. cytotaxonomicorum Boivin , Psilochenia atribarba (Heller) W.A. Weber

                                                                                                                                                                                                                              ssp. originalis (Babcock & Stebbins) Babcock & Stebbins Synonymy: Crepis barbigera Leib. ex Coville

                                                                                                                                                                                                                            bakeri Greene

                                                                                                                                                                                                                              ssp. bakeri Synonymy: Psilochenia bakeri (Greene) W.A. Weber

                                                                                                                                                                                                                              ssp. cusickii (Eastw.) Babcock & Stebbins Synonymy: Psilochenia bakeri ssp. cusickii (Eastw.) W.A. Weber

                                                                                                                                                                                                                              ssp. idahoensis Babcock & Stebbins Synonymy: Psilochenia bakeri ssp. idahoensis (Babcock & Stebbins) W.A. Weber

                                                                                                                                                                                                                            biennis L.

                                                                                                                                                                                                                            bursifolia L.

                                                                                                                                                                                                                            capillaris Wallr. Present in the Texas flora and known locally as: Smooth hawksbeard (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                            elegans Hook. Synonymy: Askellia elegans (Hook.) W.A. Weber

                                                                                                                                                                                                                            foetida L.

                                                                                                                                                                                                                            intermedia Gray Synonymy: Psilochenia intermedia (Gray) W.A. Weber

                                                                                                                                                                                                                            modocensis Greene

                                                                                                                                                                                                                              ssp. glareosa (Piper) Babcock & Stebbins Synonymy: Psilochenia modocensis ssp. glareosa (Piper) W.A. Weber

                                                                                                                                                                                                                              ssp. modocensis Synonymy: Crepis modocensis ssp. typica Babcock & Stebbins , Psilochenia modocensis (Greene) W.A. Weber

                                                                                                                                                                                                                              ssp. rostrata (Coville) Babcock & Stebbins Synonymy: Crepis modocensis var. rostrata (Coville) Boivin , Psilochenia modocensis ssp. rostrata (Coville) W.A. Weber

                                                                                                                                                                                                                              ssp. subacaulis (Kellogg) Babcock & Stebbins Synonymy: Crepis occidentalis var. nevadensis Kellogg p.p. , Psilochenia modocensis ssp. subacaulis (Kellogg) W.A. Weber

                                                                                                                                                                                                                            monticola Coville Synonymy: Psilochenia monticola (Coville) W.A. Weber

                                                                                                                                                                                                                            nana Richards.

                                                                                                                                                                                                                              ssp. clivicola Leggett

                                                                                                                                                                                                                              ssp. nana Synonymy: Askellia nana (Richards.) W.A. Weber , Crepis nana ssp. typica Babcock , Crepis nana var. lyratifolia (Turcz.) Hultén

                                                                                                                                                                                                                              ssp. ramosa Babcock Synonymy: Askellia nana ssp. ramosa (Babcock) W.A. Weber , Crepis nana var. ramosa (Babcock) Cronq.

                                                                                                                                                                                                                            nicaeensis Balbis ex Pers.

                                                                                                                                                                                                                            occidentalis Nutt.

                                                                                                                                                                                                                              ssp. conjuncta (Jepson) Babcock & Stebbins Synonymy: Crepis occidentalis var. nevadensis Kellogg , Psilochenia occidentalis ssp. conjuncta (Jepson) W.A. Weber

                                                                                                                                                                                                                              ssp. costata (Gray) Babcock & Stebbins Synonymy: Crepis occidentalis var. costata Gray , Psilochenia occidentalis ssp. costata (Gray) W.A. Weber

                                                                                                                                                                                                                              ssp. occidentalis Synonymy: Crepis occidentalis ssp. typica Babcock & Stebbins , Psilochenia occidentalis (Nutt.) Nutt.

                                                                                                                                                                                                                              ssp. pumila (Rydb.) Babcock & Stebbins Synonymy: Crepis occidentalis var. pumila (Rydb.) Babcock & Stebbins

                                                                                                                                                                                                                            pannonica (Jacq.) K. Koch Synonymy: Crepis rigida Waldst. & Kit.

                                                                                                                                                                                                                            pleurocarpa Gray Synonymy: Psilochenia pleurocarpa (Gray) W.A. Weber

                                                                                                                                                                                                                            pulchra L. Present in the Texas flora and known locally as: Showy hawksbeard (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                            rubra L.

                                                                                                                                                                                                                            runcinata (James) Torr. & Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                              ssp. andersonii (Gray) Babcock & Stebbins Synonymy: Crepis runcinata var. andersonii (Gray) Cronq. , Psilochenia runcinata ssp. andersonii (Gray) W.A. Weber

                                                                                                                                                                                                                              ssp. barberi (Greenm.) Babcock & Stebbins Synonymy: Crepis barberi Greenm. , Crepis glauca ssp. barberi (Greenm.) Babcock & Stebbins , Crepis runcinata var. barberi (Greenm.) B.L. Turner , Psilochenia runcinata ssp. barberi (Greenm.) W.A. Weber

                                                                                                                                                                                                                              ssp. glauca (Nutt.) Babcock & Stebbins Synonymy: Crepis glauca (Nutt.) Torr. & Gray , Crepis runcinata var. glauca (Nutt.) Boivin , Psilochenia runcinata ssp. glauca (Nutt.) W.A. Weber

                                                                                                                                                                                                                              ssp. hallii Babcock & Stebbins Synonymy: Psilochenia runcinata ssp. hallii (Babcock & Stebbins) W.A. Weber

                                                                                                                                                                                                                              ssp. hispidulosa (T.J. Howell ex Rydb.) Babcock & Stebbins Synonymy: Crepis platyphylla Greene , Crepis riparia A. Nels. , Crepis runcinata var. hispidulosa T.J. Howell ex Rydb. , Psilochenia runcinata ssp. hispidulosa (T.J. Howell ex Rydb.) W.A. Weber

                                                                                                                                                                                                                              ssp. imbricata Babcock & Stebbins Synonymy: Crepis runcinata var. imbricata (Babcock & Stebbins) M.E. Peck , Psilochenia runcinata ssp. imbricata (Babcock & Stebbins) W.A. Weber

                                                                                                                                                                                                                              ssp. runcinata Synonymy: Crepis alpicola (Rydb.) A. Nels. , Crepis glaucella Rydb. , Crepis neomexicana Woot. & Standl. , Crepis perplexans Rydb. , Crepis runcinata ssp. typica Babcock & Stebbins , Psilochenia runcinata (James) A.& D. Löve

                                                                                                                                                                                                                            setosa Haller f.

                                                                                                                                                                                                                            tectorum L.

                                                                                                                                                                                                                            vesicaria L.

                                                                                                                                                                                                                              ssp. taraxacifolia (Thuill.) Thellung Synonymy: Crepis vesicaria ssp. haenseleri (Boiss. ex DC.) P.D. Sell , Crepis vesicaria var. taraxacifolia (Thuill.) Boivin

                                                                                                                                                                                                                            zacintha (L.) Babcock

                                                                                                                                                                                                                            Crocidium Hook. - SPRING-GOLD

                                                                                                                                                                                                                              multicaule Hook.

                                                                                                                                                                                                                              Croptilon Raf. - SCRATCHDAISY

                                                                                                                                                                                                                                divaricatum (Nutt.) Raf. Present in the Texas flora and known locally as: Slender goldenweed (Texas Distribution by vegetation zone) Synonymy: Haplopappus divaricatus (Nutt.) Gray , Inula divaricata Nutt. , Isopappus divaricatus (Nutt.) Torr. & Gray

                                                                                                                                                                                                                                hookerianum (Torr. & Gray) House

                                                                                                                                                                                                                                  var. graniticum (E.B. Sm.) E.B. Sm. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Croptilon divaricatum var. graniticum (E.B. Sm.) Shinners , Haplopappus validus ssp. graniticus E.B. Sm.

                                                                                                                                                                                                                                  var. hookerianum Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Croptilon divaricatum var. hookerianum (Torr. & Gray) Shinners , Haplopappus divaricatus var. hookerianus (Torr. & Gray) Waterfall , Haplopappus validus ssp. torreyi E.B. Sm. , Isopappus hookerianus Torr. & Gray

                                                                                                                                                                                                                                  var. validum (Rydb.) E.B. Sm. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Haplopappus validus (Rydb.) Cory , Isopappus validus Rydb.

                                                                                                                                                                                                                                rigidifolium (E.B. Sm.) E.B. Sm. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Croptilon divaricatum var. hirtellum (Shinners) Shinners , Haplopappus rigidifolius E.B. Sm.

                                                                                                                                                                                                                                Crupina (Pers.) DC. - CRUPINA

                                                                                                                                                                                                                                  vulgaris Cass.

                                                                                                                                                                                                                                  Cyanopsis Cass. - MOROCCO-KNAPWEED

                                                                                                                                                                                                                                    muricata (L.) Dost l Synonymy: Centaurea muricata L.

                                                                                                                                                                                                                                    Cymophora B.L. Robins.

                                                                                                                                                                                                                                      accendens (S.F. Blake) B.L. Turner & Powell Synonymy: Tridax accendens S.F. Blake

                                                                                                                                                                                                                                      Cynara L. - CARDOON AND GLOBE ARTICHOKE

                                                                                                                                                                                                                                        cardunculus L.

                                                                                                                                                                                                                                        scolymus L.

                                                                                                                                                                                                                                        Dahlia Cav. - DAHLIA

                                                                                                                                                                                                                                          coccinea Cav.

                                                                                                                                                                                                                                          pinnata Cav. Synonymy: Dahlia rosea Cav.

                                                                                                                                                                                                                                          Dendranthema (DC.) Des Moulins - DAISY

                                                                                                                                                                                                                                            arcticum (L.) Tzvelev

                                                                                                                                                                                                                                              ssp. arcticum Synonymy: Chrysanthemum arcticum L. , Leucanthemum arcticum (L.) DC.

                                                                                                                                                                                                                                              ssp. polare (Hultén) Heywood Synonymy: Chrysanthemum arcticum var. polare (Hultén) Boivin , Dendranthema hultenii (A.& D. Löve) Tzvelev

                                                                                                                                                                                                                                            indicum (L.) Des Moulins Synonymy: Chrysanthemum indicum L.

                                                                                                                                                                                                                                            morifolium (Ramat.) Tzvelev Synonymy: Chrysanthemum morifolium Ramat.

                                                                                                                                                                                                                                            Dichaetophora Gray - PLAINSDAISY

                                                                                                                                                                                                                                              campestris Gray Present in the Texas flora and known locally as: Plains daisy (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                              Dicoria Torr. ex Gray - TWINBUGS

                                                                                                                                                                                                                                                canescens Gray

                                                                                                                                                                                                                                                  ssp. brandegei (Gray) Kartesz, comb. nov. ined. Synonymy: Dicoria brandegei Gray , Dicoria canescens var. brandegei (Gray) Cronq. , Dicoria paniculata Eastw.

                                                                                                                                                                                                                                                  ssp. canescens Synonymy: Dicoria oblongifolia Rydb.

                                                                                                                                                                                                                                                  ssp. clarkiae (Kennedy) Keck Synonymy: Dicoria clarkiae Kennedy

                                                                                                                                                                                                                                                  ssp. hispidula (Rydb.) Keck Synonymy: Dicoria canescens var. hispidula (Rydb.) Cronq.

                                                                                                                                                                                                                                                  ssp. wetherillii (Eastw.) Kartesz, comb. nov. ined. Synonymy: Dicoria canescens var. wetherillii (Eastw.) Cronq. , Dicoria wetherillii Eastw.

                                                                                                                                                                                                                                                Dicranocarpus Gray - PITCHFORK

                                                                                                                                                                                                                                                  parviflorus Gray Present in the Texas flora and known locally as: Pitchfork (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                  Dimeresia Gray - DOUBLET

                                                                                                                                                                                                                                                    howellii Gray

                                                                                                                                                                                                                                                    Dimorphotheca Moench

                                                                                                                                                                                                                                                      sinuata DC.

                                                                                                                                                                                                                                                      Dittrichia W. Greuter - STINKWORT

                                                                                                                                                                                                                                                        graveolens (L.) W. Greuter Synonymy: Inula graveolens (L.) Desf.

                                                                                                                                                                                                                                                        viscosa (L.) W. Greuter Synonymy: Cupularia viscosa (L.) Gren. & Godr. , Inula viscosa (L.) Ait.

                                                                                                                                                                                                                                                        Doellingeria Greene

                                                                                                                                                                                                                                                          infirma (Michx.) Greene Synonymy: Aster humilis Willd. , Aster infirmus Michx. , Aster umbellatus var. brevisquamis Fern. , Doellingeria humilis (Willd.) Britt.

                                                                                                                                                                                                                                                          sericocarpoides Small Present in the Texas flora (treated as Aster umbellatus Mill. var. latifolius Gray by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Aster pubentior Cronq. , Aster sericocarpoides (Small) K. Schum. , Aster umbellatus var. latifolius Gray , Aster umbellatus var. pubens Gray , Doellingeria umbellata ssp. pubens (Gray) A.& D. Löve , Doellingeria umbellata var. latifolia (Gray) House

                                                                                                                                                                                                                                                          umbellata (P. Mill.) Nees Synonymy: Aster umbellatus P. Mill.

                                                                                                                                                                                                                                                          Doronicum L. - FALSE LEOPARDBANE

                                                                                                                                                                                                                                                            orientale Hoffmann Synonymy: Doronicum caucasicum Bieb.

                                                                                                                                                                                                                                                            pardalianches L.

                                                                                                                                                                                                                                                            Dracopis Cass. - CLASPING-CONEFLOWER

                                                                                                                                                                                                                                                              amplexicaulis (Vahl) Cass. Present in the Texas flora and known locally as: Clasping coneflower (Texas Distribution by vegetation zone) Synonymy: Rudbeckia amplexicaulis Vahl

                                                                                                                                                                                                                                                              Dubautia Gaud. - DUBAUTIA

                                                                                                                                                                                                                                                                arborea (Gray) Keck Synonymy: Railliardia arborea Gray

                                                                                                                                                                                                                                                                ciliolata (DC.) Keck

                                                                                                                                                                                                                                                                  ssp. ciliolata Synonymy: Dubautia ciliolata var. juniperoides (Gray) Keck , Railliardia ciliolata DC. , Railliardia ciliolata var. juniperoides Gray

                                                                                                                                                                                                                                                                  ssp. glutinosa G.D. Carr

                                                                                                                                                                                                                                                                X demissifolia (Sherff) Keck (pro sp.) [menziesii X reticulata] Synonymy: Dubautia montana var. robustior (Sherff) Keck , Railliardia demissifolia Sherff , Railliardia montana var. robustior Sherff

                                                                                                                                                                                                                                                                dolosa (O. Deg. & Sherff) G.D. Carr Synonymy: Dubautia waianapanapaenis G.D. Carr , Railliardia X dolosa O. Deg. & Sherff , Railliardia waianapanapaenis (G.D. Carr) St. John

                                                                                                                                                                                                                                                                X fallax Sherff [plantaginea X scabra] Synonymy: Dubautia X fucosa Sherff , Dubautia kohalae (Skottsberg) St. John , Dubautia lonchophylla (Sherff) Keck , Railliardia kohalae Skottsberg , Railliautia X fallax (Sherff) Sherff , Railliautia X fucosa (Sherff) Sherff

                                                                                                                                                                                                                                                                herbstobatae G.D. Carr Listed by the U.S. FWS as endangered, the FWS local name is Na`ena`e and the FWS range is: U.S.A. (HI). Listed on October 29, 1991 (Volume 56 Federal Register 55785). Synonymy: Railliardia herbstobatae (G.D. Carr) St. John

                                                                                                                                                                                                                                                                imbricata St. John & G.D. Carr

                                                                                                                                                                                                                                                                  ssp. acronaea G.D. Carr

                                                                                                                                                                                                                                                                  ssp. imbricata

                                                                                                                                                                                                                                                                knudsenii Hbd.

                                                                                                                                                                                                                                                                  ssp. filiformis G.D. Carr

                                                                                                                                                                                                                                                                  ssp. knudsenii

                                                                                                                                                                                                                                                                  ssp. nagatae (St. John) G.D. Carr Synonymy: Dubautia nagatae St. John

                                                                                                                                                                                                                                                                laevigata Gray Synonymy: Dubautia laevigata var. parvifolia Sherff

                                                                                                                                                                                                                                                                latifolia (Gray) Keck Listed by the U.S. FWS as endangered. The FWS range of distribution is: U.S.A. (HI). Listed on May 13, 1992 (Volume 57 Federal Register 20588). Synonymy: Railliardia latifolia Gray , Railliardia latifolia var. helleri Sherff

                                                                                                                                                                                                                                                                laxa Hook. & Arn.

                                                                                                                                                                                                                                                                  ssp. bryanii (O. Deg. & Sherff) G.D. Carr Synonymy: Dubautia laxa var. bryanii O. Deg. & Sherff

                                                                                                                                                                                                                                                                  ssp. hirsuta (Hbd.) G.D. Carr Synonymy: Dubautia laxa var. hirsuta Hbd. , Dubautia laxa var. intercedens O.& I. Deg. & Sherff , Dubautia laxa var. pedicellata Rock , Dubautia laxa var. skottsbergii Sherff , Dubautia laxa var. waianensis O. Deg. & Sherff

                                                                                                                                                                                                                                                                  ssp. laxa Synonymy: Dubautia knudsenii var. degeneri Sherff , Dubautia laxa var. greenwelliae O. Deg. & Sherff , Dubautia laxa var. hispida Sherff , Dubautia laxa var. obovata Sherff

                                                                                                                                                                                                                                                                  ssp. pseudoplantaginea (Skottsberg) G.D. Carr Synonymy: Dubautia laxa var. pseudoplantaginea Skottsberg

                                                                                                                                                                                                                                                                linearis (Gaud.) Keck

                                                                                                                                                                                                                                                                  ssp. hillebrandii (Mann) G.D. Carr Synonymy: Dubautia hillebrandii (Mann) Keck , Railliardia ciliolata var. leptocephala O. Deg. & Sherff , Railliardia hillebrandii Mann , Railliardia X vafra O. Deg. & Sherff

                                                                                                                                                                                                                                                                  ssp. linearis Synonymy: Railliardia linearis Gaud.

                                                                                                                                                                                                                                                                  ssp. opposita (Sherff) G.D. Carr Synonymy: Dubautia linearis var. opposita (Sherff) Keck , Railliardia linearis var. opposita Sherff

                                                                                                                                                                                                                                                                X media Sherff [laevigata X laxa] Synonymy: Dubautia X mendacoides O. Deg. & Sherff , Dubautia X mendax Sherff

                                                                                                                                                                                                                                                                menziesii (Gray) Keck Synonymy: Dubautia ciliolata var. trinervia Hbd. p.p. , Dubautia menziesii var. angustifolia (Sherff) Keck , Dubautia rockii (Sherff) Keck , Dubautia struthioloides (Gray) Keck , Railliardia ciliolata var. trinervia (Hbd.) Keck p.p. , Railliardia menziesii Gray , Railliardia menziesii var. angustifolia Sherff , Railliardia rockii Sherff , Railliardia struthioloides Gray

                                                                                                                                                                                                                                                                microcephala Skottsberg

                                                                                                                                                                                                                                                                X molokaiensis (Hbd.) Keck (pro sp.) [linearis X scabra] Synonymy: Dubautia molokaiensis var. oppositifolia (Sherff) Keck , Railliardia molokaiensis Hbd. , Railliardia molokaiensis var. oppositifolia Sherff

                                                                                                                                                                                                                                                                X montana (Mann) Keck (pro sp.) [arborea X linearis] Synonymy: Railliardia montana Mann

                                                                                                                                                                                                                                                                paleata Gray Synonymy: Dubautia X paludicola Sherff

                                                                                                                                                                                                                                                                pauciflorula St. John & G.D. Carr Listed by the U.S. FWS as endangered. The FWS range of distribution is: U.S.A. (HI). Listed on September 20, 1991 (Volume 56 Federal Register 47699).

                                                                                                                                                                                                                                                                plantaginea Gaud.

                                                                                                                                                                                                                                                                  ssp. humilis G.D. Carr

                                                                                                                                                                                                                                                                  ssp. magnifolia (Sherff) G.D. Carr Synonymy: Dubautia magnifolia Sherff

                                                                                                                                                                                                                                                                  ssp. plantaginea Synonymy: Dubautia plantaginea var. acridentata Sherff , Dubautia plantaginea var. glandulosa St. John , Dubautia plantaginea var. pauoaensis St. John , Dubautia plantaginea var. platyphylla Hbd. , Dubautia plantaginea var. strigosa Skottsberg

                                                                                                                                                                                                                                                                platyphylla (Gray) Keck Synonymy: Dubautia platyphylla var. leptophylla (Sherff) Keck , Railliardia platyphylla Gray , Railliardia platyphylla var. leptophylla Sherff , Railliardia platyphylla var. trillioidea O. Deg. & Sherff

                                                                                                                                                                                                                                                                raillardioides Hbd.

                                                                                                                                                                                                                                                                reticulata (Sherff) Keck Synonymy: Dubautia montana var. longifolia (Sherff) Keck , Railliardia montana var. longifolia Sherff , Railliardia reticulata Sherff

                                                                                                                                                                                                                                                                scabra (DC.) Keck

                                                                                                                                                                                                                                                                  ssp. leiophylla (Gray) G.D. Carr Synonymy: Dubautia molokaiensis var. stipitata (Sherff) Keck , Dubautia scabra var. leiophylla (Gray) Keck , Dubautia scabra var. munroi (Sherff) Keck , Railliardia lonchophylla var. stipitata (Sherff) Sherff , Railliardia molokaiensis var. stipitata Sherff , Railliardia scabra var. leiophylla Gray , Railliardia scabra var. munroi Sherff

                                                                                                                                                                                                                                                                  ssp. scabra

                                                                                                                                                                                                                                                                sherffiana Fosberg Synonymy: Dubautia sherffiana var. paucinervia (O. Deg. & Sherff) Herbst , Railliardia sherffiana (Fosberg) Sherff , Railliardia sherffiana var. paucinervia O. Deg. & Sherff

                                                                                                                                                                                                                                                                X thyrsiflora (Sherff) Keck (pro sp.) [dolosa X scabra] Synonymy: Dubautia coriacea (Sherff) Keck , Dubautia ternifolia (Sherff) Keck , Dubautia thyrsiflora var. cernua (Sherff) Keck , Railliardia demissifolia var. dolichophylla St. John , Railliardia ternifolia Sherff , Railliardia thyrsiflora Sherff , Railliardia thyrsiflora var. cernua Sherff

                                                                                                                                                                                                                                                                waialealae Rock

                                                                                                                                                                                                                                                                Dysodiopsis (Gray) Rydb. - FALSE DOG-FENNEL

                                                                                                                                                                                                                                                                  tagetoides (Torr. & Gray) Rydb. Present in the Texas flora and known locally as: Marigold dogweed (Texas Distribution by vegetation zone) Synonymy: Dyssodia tagetoides Torr. & Gray , Hymenatherum tagetoides (Torr. & Gray) Gray

                                                                                                                                                                                                                                                                  Dyssodia Cav. - FETID-MARIGOLD

                                                                                                                                                                                                                                                                    papposa (Vent.) A.S. Hitchc. Present in the Texas flora and known locally as: Mayweed dogweed (Texas Distribution by vegetation zone) Synonymy: Boebera papposa (Vent.) Rydb. ex Britt. , Tagetes papposa Vent.

                                                                                                                                                                                                                                                                    Eastwoodia Brandeg. - YELLOW-ASTER

                                                                                                                                                                                                                                                                      elegans Brandeg.

                                                                                                                                                                                                                                                                      Eatonella Gray - FALSE TICKHEAD

                                                                                                                                                                                                                                                                        nivea (D.C. Eat.) Gray

                                                                                                                                                                                                                                                                        Echinacea Moench - PURPLE-CONEFLOWER

                                                                                                                                                                                                                                                                          angustifolia DC.

                                                                                                                                                                                                                                                                            var. angustifolia Present in the Texas flora (treated as Echinacea pallida (Nutt.) Nutt. var. angustifolia (DC.) Gandhi & Thomas by Hatch et al, 1990) and known locally as: Blacksamson (Texas Distribution by vegetation zone) Synonymy: Brauneria angustifolia (DC.) Heller , Echinacea pallida var. angustifolia (DC.) Cronq.

                                                                                                                                                                                                                                                                            var. strigosa R.L. McGregor Present in the Texas flora (treated as Echinacea pallida (Nutt.) Nutt. var. strigosa (R.L. McGreg.) Gandhi by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Echinacea pallida var. strigosa (R.L. McGregor) Gandhi

                                                                                                                                                                                                                                                                          atrorubens Nutt. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                          laevigata (C.L. Boynt. & Beadle) Blake Listed by the U.S. FWS as endangered, the FWS local name is Smooth coneflower and the FWS range is: U.S.A. (GA, MD, NC, PA, SC, VA). Listed on October 8, 1992 (Volume 57 Federal Register 46344). Synonymy: Echinacea purpurea var. laevigata (C.L. Boynt. & Beadle) Cronq.

                                                                                                                                                                                                                                                                          pallida (Nutt.) Nutt. Present in the Texas flora and known locally as: Pale e. (Texas Distribution by vegetation zone) Synonymy: Brauneria pallida (Nutt.) Britt. , Rudbeckia pallida Nutt.

                                                                                                                                                                                                                                                                          paradoxa (J.B.S. Norton) Britt.

                                                                                                                                                                                                                                                                            var. neglecta R.L. McGregor Present in the Texas flora, local name unknown. No Texas distribution data available

                                                                                                                                                                                                                                                                            var. paradoxa Synonymy: Echinacea atrorubens var. paradoxa (J.B.S. Norton) Cronq.

                                                                                                                                                                                                                                                                          purpurea (L.) Moench Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Brauneria purpurea (L.) Britt. , Echinacea purpurea var. arkansana Steyermark

                                                                                                                                                                                                                                                                          sanguinea Nutt. Present in the Texas flora (treated as Echinacea pallida (Nutt.) Nutt. var. sanguinea (Nutt.) Gandhi & Thomas by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Echinacea pallida var. sanguinea (Nutt.) Gandhi & Thomas

                                                                                                                                                                                                                                                                          simulata R.L. McGregor

                                                                                                                                                                                                                                                                          tennesseensis (Beadle) Small Listed by the U.S. FWS as endangered, the FWS local name is Tennessee purple coneflower and the FWS range is: U.S.A. (TN). Listed on June 6, 1979 (Volume 44 Federal Register 32605). Synonymy: Echinacea angustifolia var. tennesseensis (Beadle) Blake

                                                                                                                                                                                                                                                                          Echinops L. - GLOBE-THISTLE

                                                                                                                                                                                                                                                                            exaltatus Schrad. Synonymy: Echinops commutatus Juratzka

                                                                                                                                                                                                                                                                            rito L.

                                                                                                                                                                                                                                                                              ssp. ruthenicus (Bieb.) Nyman Synonymy: Echinops ruthenicus Bieb.

                                                                                                                                                                                                                                                                            sphaerocephalus L.

                                                                                                                                                                                                                                                                            Eclipta L. - FALSE DAISY

                                                                                                                                                                                                                                                                              prostrata (L.) L. Present in the Texas flora and known locally as: Yerba de tago (Texas Distribution by vegetation zone) Synonymy: Eclipta alba (L.) Hassk. , Eclipta erecta L. , Verbesina alba L. , Verbesina prostrata L.

                                                                                                                                                                                                                                                                              Egletes Cass. - TROPIC-DAISY

                                                                                                                                                                                                                                                                                prostrata (Sw.) Kuntze Synonymy: Matricaria prostrata Sw.

                                                                                                                                                                                                                                                                                viscosa (L.) Less. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Cotula viscosa L.

                                                                                                                                                                                                                                                                                Elephantopus L. - ELEPHANT'S-FOOT

                                                                                                                                                                                                                                                                                  angustifolius Sw. Synonymy: Orthopappus angustifolius (Sw.) Gleason

                                                                                                                                                                                                                                                                                  carolinianus Raeusch. Present in the Texas flora and known locally as: Leafy elephantfoot (Texas Distribution by vegetation zone) Synonymy: Elephantopus flexuosus Raf. , Elephantopus violaceus Schultz-Bip.

                                                                                                                                                                                                                                                                                  elatus Bertol. Synonymy: Elephantopus elatus var. intermedius Gleason

                                                                                                                                                                                                                                                                                  mollis Kunth Synonymy: Elephantopus hypomalacus Blake , Elephantopus martii Graham , Elephantopus pilosus Philipson

                                                                                                                                                                                                                                                                                  nudatus Gray Present in the Texas flora and known locally as: Naked elephantfoot, tobacco-weed, devil's grandmother (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                  tomentosus L. Present in the Texas flora and known locally as: Hairy elephantfoot (Texas Distribution by vegetation zone) Synonymy: Elephantopus carolinianus var. simplex Nutt. , Elephantopus nudicaulis Poir.

                                                                                                                                                                                                                                                                                  Eleutheranthera Poit. ex Bosc - OGIERA

                                                                                                                                                                                                                                                                                    ruderalis (Sw.) Schultz-Bip. Synonymy: Melampodium ruderale Sw.

                                                                                                                                                                                                                                                                                    Emilia Cass. - TASSEL-FLOWER

                                                                                                                                                                                                                                                                                      coccinea (Sims) G. Don Synonymy: Cacalia coccinea Sims

                                                                                                                                                                                                                                                                                      fosbergii D.H. Nicols.

                                                                                                                                                                                                                                                                                      sonchifolia (L.) DC.

                                                                                                                                                                                                                                                                                        var. javanica (Burm. f.) Mattf. Synonymy: Emilia javanica (Burm. f.) C.B. Robins.

                                                                                                                                                                                                                                                                                        var. sonchifolia Synonymy: Cacalia sonchifolia L.

                                                                                                                                                                                                                                                                                      Encelia Adans. - BRITTLEBUSH

                                                                                                                                                                                                                                                                                        californica Nutt.

                                                                                                                                                                                                                                                                                        farinosa Gray ex Torr.

                                                                                                                                                                                                                                                                                          var. farinosa

                                                                                                                                                                                                                                                                                          var. phenicodonta (Blake) I.M. Johnston

                                                                                                                                                                                                                                                                                          var. radians Brandeg. ex Blake

                                                                                                                                                                                                                                                                                        frutescens (Gray) Gray

                                                                                                                                                                                                                                                                                          var. frutescens Synonymy: Simsia frutescens Gray

                                                                                                                                                                                                                                                                                          var. resinosa M.E. Jones ex Blake

                                                                                                                                                                                                                                                                                        scaposa (Gray) Gray Present in the Texas flora and known locally as: One-head encelia (Texas Distribution by vegetation zone) Synonymy: Encelia scaposa var. stenophylla Shinners , Simsia scaposa Gray

                                                                                                                                                                                                                                                                                        virginensis A. Nels.

                                                                                                                                                                                                                                                                                          var. actonii (Elmer) B.L. Turner Synonymy: Encelia actonii Elmer , Encelia frutescens var. actonii (Elmer) Blake , Encelia virginensis ssp. actonii (Elmer) Keck

                                                                                                                                                                                                                                                                                          var. virginensis Synonymy: Encelia frutescens var. virginensis (A. Nels.) Blake

                                                                                                                                                                                                                                                                                        Enceliopsis (Gray) A. Nels. - SUNRAY

                                                                                                                                                                                                                                                                                          argophylla (D.C. Eat.) A. Nels. Synonymy: Tithonia argophylla D.C. Eat.

                                                                                                                                                                                                                                                                                          covillei (A. Nels.) Blake Synonymy: Enceliopsis argophylla var. grandiflora Jepson , Helianthella covillei A. Nels.

                                                                                                                                                                                                                                                                                          nudicaulis (Gray) A. Nels.

                                                                                                                                                                                                                                                                                            var. corrugata Cronq. Listed by the U.S. FWS as threatened - the FWS local name is Ash Meadows sunray and the FWS range is: U.S.A. (NV).

                                                                                                                                                                                                                                                                                            var. nudicaulis Synonymy: Encelia nudicaulis Gray

                                                                                                                                                                                                                                                                                          nutans (Eastw.) A. Nels. Synonymy: Encelia nutans Eastw.

                                                                                                                                                                                                                                                                                          Engelmannia Gray ex Nutt. - ENGELMANN'S-DAISY

                                                                                                                                                                                                                                                                                            pinnatifida Gray ex Nutt. Present in the Texas flora and known locally as: Engelmann daisy (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                            Enydra Lour. - SWAMPWORT

                                                                                                                                                                                                                                                                                              sessilis (Sw.) DC.

                                                                                                                                                                                                                                                                                              Erechtites Raf. - BURNWEED

                                                                                                                                                                                                                                                                                                glomerata (Desf. ex Poir.) DC. Synonymy: Erechtites arguta (A. Rich.) DC. , Senecio argutus A. Rich. , Senecio glomeratus Desf. ex Poir.

                                                                                                                                                                                                                                                                                                hieraciifolia (L.) Raf. ex DC. Present in the Texas flora and known locally as: American burnweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                  var. cacalioides (Fisch. ex Spreng.) Less. ex Griseb. Synonymy: Senecio cacalioides Fisch. ex Spreng.

                                                                                                                                                                                                                                                                                                  var. hieraciifolia Synonymy: Erechtites hieraciifolia var. intermedia Fern. , Erechtites hieraciifolia var. praealta (Raf.) Fern. , Senecio hieraciifolius L.

                                                                                                                                                                                                                                                                                                  var. megalocarpa (Fern.) Cronq. Synonymy: Erechtites megalocarpa Fern.

                                                                                                                                                                                                                                                                                                minima (Poir.) DC. Synonymy: Erechtites prenanthoides (A. Rich.) DC. , Senecio minimus Poir.

                                                                                                                                                                                                                                                                                                valerianifolia (Spreng.) DC. Synonymy: Senecio valerianifolius Link ex Spreng.

                                                                                                                                                                                                                                                                                                Ericameria Nutt. - HEATH-GOLDENROD

                                                                                                                                                                                                                                                                                                  arborescens (Gray) Greene Synonymy: Haplopappus arborescens (Gray) Hall , Linosyris arborescens Gray

                                                                                                                                                                                                                                                                                                  bloomeri (Gray) J.F. Macbr. Synonymy: Haplopappus bloomeri Gray , Haplopappus bloomeri ssp. sonnei (Gray) Hall , Haplopappus bloomeri var. angustatus Gray , Haplopappus bloomeri var. sonnei (Gray) Greene

                                                                                                                                                                                                                                                                                                  X bolanderi (Gray) Nesom & Baird [discoidea X nauseosa]

                                                                                                                                                                                                                                                                                                  brachylepis (Gray) Hall Synonymy: Bigelovia brachylepis Gray , Haplopappus propinquus Blake

                                                                                                                                                                                                                                                                                                  cervina (S. Wats.) Rydb. Synonymy: Haplopappus cervinus S. Wats.

                                                                                                                                                                                                                                                                                                  compacta (Hall) Nesom Synonymy: Haplopappus bloomeri ssp. compactus Hall , Haplopappus compactus (Hall) L.C. Anders.

                                                                                                                                                                                                                                                                                                  cooperi (Gray) Hall Synonymy: Haplopappus cooperi (Gray) Hall

                                                                                                                                                                                                                                                                                                  crispa (L.C. Anders.) Nesom Synonymy: Haplopappus crispus L.C. Anders.

                                                                                                                                                                                                                                                                                                  cuneata (Gray) McClatchie

                                                                                                                                                                                                                                                                                                    var. cuneata Synonymy: Haplopappus cuneatus Gray

                                                                                                                                                                                                                                                                                                    var. macrocephala Urbatsch

                                                                                                                                                                                                                                                                                                    var. spathulata (Gray) Hall Synonymy: Haplopappus cuneatus var. spathulatus (Gray) Blake ex Munz

                                                                                                                                                                                                                                                                                                  discoidea (Nutt.) Nesom

                                                                                                                                                                                                                                                                                                    var. discoidea Synonymy: Haplopappus macronema (Nutt.) Gray , Haplopappus macronema var. typicus Hall , Macronema discoidea Nutt.

                                                                                                                                                                                                                                                                                                    var. linearis (Rydb.) Nesom Synonymy: Haplopappus macronema var. canescens (A. Nels.) Cronq. , Haplopappus macronema var. linearis (Rydb.) Dorn , Macronema lineare Rydb. , Macronema lineare var. canescens A. Nels.

                                                                                                                                                                                                                                                                                                  ericoides (Less.) Jepson Synonymy: Diplopappus ericoides Less. , Haplopappus ericoides (Less.) Hook. & Arn. , Haplopappus ericoides ssp. blakei C.B. Wolf

                                                                                                                                                                                                                                                                                                  fasciculata (Eastw.) J.F. Macbr. Synonymy: Chrysoma fasciculata Eastw. , Haplopappus eastwoodiae Hall

                                                                                                                                                                                                                                                                                                  gilmanii (Blake) Nesom Synonymy: Haplopappus gilmanii Blake

                                                                                                                                                                                                                                                                                                  greenei (Gray) Nesom Synonymy: Haplopappus bloomeri var. greenei (Gray) Cronq. , Haplopappus greenei Gray , Haplopappus greenei var. mollis Gray , Macronema greenei (Gray) Greene

                                                                                                                                                                                                                                                                                                  laricifolia (Gray) Shinners Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Haplopappus laricifolius Gray

                                                                                                                                                                                                                                                                                                  lignumviridis (Welsh) Nesom Synonymy: Haplopappus lignumviridis Welsh

                                                                                                                                                                                                                                                                                                  linearifolia (DC.) Urbatsch & Wussow Synonymy: Haplopappus linearifolius DC. , Haplopappus linearifolius ssp. interior (Coville) Hall , Haplopappus linearifolius var. interior (Coville) M.E. Jones , Stenotopsis interior (Coville) Rydb. , Stenotopsis linearifolia (DC.) Rydb. , Stenotopsis linearifolia var. interior (Coville) Hall

                                                                                                                                                                                                                                                                                                  microcephala (Cronq.) Kartesz & Gandhi Synonymy: Haplopappus microcephalus Cronq. , Tonestus microcephalus (Cronq.) Nesom & Morgan

                                                                                                                                                                                                                                                                                                  nana Nutt. Synonymy: Haplopappus nanus (Nutt.) D.C. Eat.

                                                                                                                                                                                                                                                                                                  nauseosa (Pallas ex Pursh) Nesom & Baird

                                                                                                                                                                                                                                                                                                    ssp. consimilis (Greene) Nesom & Baird

                                                                                                                                                                                                                                                                                                      var. arenaria (L.C. Anders.) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. arenarius L.C. Anders. , Chrysothamnus nauseosus var. arenarius (L.C. Anders.) Welsh

                                                                                                                                                                                                                                                                                                      var. ceruminosa (Dur. & Hilg.) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. ceruminosus (Dur. & Hilg.) Hall & Clements

                                                                                                                                                                                                                                                                                                      var. juncea (Greene) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. junceus (Greene) Hall & Clements , Chrysothamnus nauseosus var. junceus (Greene) Hall

                                                                                                                                                                                                                                                                                                      var. leiosperma (Gray) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. leiospermus (Gray) Hall & Clements , Chrysothamnus nauseosus var. abbreviatus (M.E. Jones) Blake , Chrysothamnus nauseosus var. leiospermus (Gray) Hall

                                                                                                                                                                                                                                                                                                      var. mohavensis (Greene) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. mohavensis (Greene) Hall & Clements , Chrysothamnus nauseosus var. mohavensis (Greene) Hall

                                                                                                                                                                                                                                                                                                      var. nitida (L.C. Anders.) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. nitidus L.C. Anders. , Chrysothamnus nauseosus var. nitidus (L.C. Anders.) Welsh

                                                                                                                                                                                                                                                                                                      var. oreophila (A. Nels.) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. consimilis (Greene) Hall & Clements , Chrysothamnus nauseosus ssp. pinifolius (Greene) Hall & Clements , Chrysothamnus nauseosus var. artus (A. Nels.) Cronq. , Chrysothamnus nauseosus var. consimilis (Greene) Hall , Chrysothamnus nauseosus var. oreophilus (A. Nels.) Hall , Ericameria nauseosa var. arta (A. Nels.) Nesom & Baird

                                                                                                                                                                                                                                                                                                      var. turbinata (M.E. Jones) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. turbinatus (M.E. Jones) Hall & Clements , Chrysothamnus nauseosus var. turbinatus (M.E. Jones) Blake

                                                                                                                                                                                                                                                                                                    ssp. nauseosa

                                                                                                                                                                                                                                                                                                      var. bernardina (Hall) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. bernardinus (Hall) Hall & Clements

                                                                                                                                                                                                                                                                                                      var. bigelovii (Gray) Nesom & Baird Present in the Texas flora (treated as Chrysothamnus nauseosus (Pursh) Britt. ssp. bigelovii (Gray) Hall & Clem. by Hatch et al, 1990) and known locally as: Rubber rabbitbrush (Texas Distribution by vegetation zone) Synonymy: Chrysothamnus nauseosus ssp. bigelovii (Gray) Hall & Clements , Chrysothamnus nauseosus var. bigelovii (Gray) Hall

                                                                                                                                                                                                                                                                                                      var. glabrata (Gray) Nesom & Baird Present in the Texas flora (treated as Chrysothamnus nauseosus (Pursh) Britt. ssp. graveolens (Nutt.) Piper by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Chrysothamnus graveolens (Nutt.) Greene , Chrysothamnus nauseosus ssp. graveolens (Nutt.) Piper , Chrysothamnus nauseosus var. glabratus (Gray) Cronq. , Chrysothamnus nauseosus var. graveolens (Nutt.) Piper ex Hall , Chrysothamnus nauseosus var. petrophilus Cronq.

                                                                                                                                                                                                                                                                                                      var. glareosa (M.E. Jones) Nesom & Baird Synonymy: Chrysothamnus nauseosus var. glareosus (M.E. Jones) Hall

                                                                                                                                                                                                                                                                                                      var. hololeuca (Gray) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. gnaphalodes (Greene) Hall & Clements , Chrysothamnus nauseosus var. gnaphalodes (Greene) Hall , Chrysothamnus nauseosus ssp. hololeucus (Gray) Hall & Clements , Chrysothamnus nauseosus var. hololeucus (Gray) Hall

                                                                                                                                                                                                                                                                                                      var. iridis (L.C. Anders.) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. iridis L.C. Anders. , Chrysothamnus nauseosus var. iridis (L.C. Anders.) Welsh

                                                                                                                                                                                                                                                                                                      var. latisquamea (Gray) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. latisquameus (Gray) Hall & Clements , Chrysothamnus nauseosus var. latisquameus (Gray) Hall

                                                                                                                                                                                                                                                                                                      var. nana (Cronq.) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. nanus (Cronq.) Keck , Chrysothamnus nauseosus var. nanus Cronq.

                                                                                                                                                                                                                                                                                                      var. nauseosa Synonymy: Chrysothamnus frigidus Greene , Chrysothamnus nauseosus (Pallas ex Pursh) Britt. , Chrysothamnus nauseosus var. typicus (Hall) Cronq.

                                                                                                                                                                                                                                                                                                      var. psilocarpa (Blake) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. psilocarpus (Blake) L.C. Anders. , Chrysothamnus nauseosus var. psilocarpus Blake

                                                                                                                                                                                                                                                                                                      var. salicifolia (Rydb.) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. salicifolius (Rydb.) Hall & Clements , Chrysothamnus nauseosus var. salicifolius (Rydb.) Hall

                                                                                                                                                                                                                                                                                                      var. speciosa (Nutt.) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. albicaulis (Nutt.) Hall & Clements , Chrysothamnus nauseosus ssp. speciosus (Nutt.) Hall & Clements , Chrysothamnus nauseosus var. albicaulis (Nutt.) Rydb. , Chrysothamnus nauseosus var. speciosus (Nutt.) Hall

                                                                                                                                                                                                                                                                                                      var. texensis (L.C. Anders.) Nesom & Baird Present in the Texas flora (treated as Chrysothamnus nauseosus (Pursh) Britt. ssp. texensis L.C. Anders. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Chrysothamnus nauseosus ssp. texensis L.C. Anders.

                                                                                                                                                                                                                                                                                                      var. washoensis (L.C. Anders.) Nesom & Baird Synonymy: Chrysothamnus nauseosus ssp. washoensis L.C. Anders. , Chrysothamnus nauseosus var. washoensis (L.C. Anders.) Cronq.

                                                                                                                                                                                                                                                                                                  obovata (Rydb.) Nesom Synonymy: Haplopappus rydbergii Blake , Haplopappus watsonii var. rydbergii (Blake) Welsh , Macronema obovatum Rydb., non Haplopappus obovatus Phil.

                                                                                                                                                                                                                                                                                                  ophitidis (J.T. Howell) Nesom Synonymy: Haplopappus bloomeri var. ophitidis J.T. Howell , Haplopappus ophitidis (J.T. Howell) Keck

                                                                                                                                                                                                                                                                                                  palmeri (Gray) Hall

                                                                                                                                                                                                                                                                                                    var. pachylepis (Hall) Nesom Synonymy: Haplopappus palmeri ssp. pachylepis Hall

                                                                                                                                                                                                                                                                                                    var. palmeri Synonymy: Haplopappus palmeri Gray

                                                                                                                                                                                                                                                                                                  paniculata (Gray) Rydb. Synonymy: Chrysothamnus paniculatus (Gray) Hall

                                                                                                                                                                                                                                                                                                  parishii (Greene) Hall Synonymy: Haplopappus parishii (Greene) Blake

                                                                                                                                                                                                                                                                                                  parryi (Gray) Nesom

                                                                                                                                                                                                                                                                                                    var. affinis (A. Nels.) Nesom & Baird Synonymy: Chrysothamnus parryi ssp. affinis (A. Nels.) L.C. Anders.

                                                                                                                                                                                                                                                                                                    var. aspra (Greene) Nesom & Baird Synonymy: Chrysothamnus parryi ssp. asper (Greene) Hall & Clements , Chrysothamnus parryi var. asper (Greene) Munz

                                                                                                                                                                                                                                                                                                    var. attenuata (M.E. Jones) Nesom & Baird Synonymy: Chrysothamnus parryi ssp. attenuatus (M.E. Jones) Hall & Clements , Chrysothamnus parryi var. attenuatus (M.E. Jones) Kittell

                                                                                                                                                                                                                                                                                                    var. howardii (Parry ex Gray) Nesom & Baird Synonymy: Chrysothamnus howardii (Parry ex Gray) Greene , Chrysothamnus parryi ssp. howardii (Parry ex Gray) Hall & Clements , Chrysothamnus parryi var. howardii (Parry ex Gray) Kittell

                                                                                                                                                                                                                                                                                                    var. imula (Hall & Clements) Nesom & Baird Synonymy: Chrysothamnus parryi ssp. imulus Hall & Clements

                                                                                                                                                                                                                                                                                                    var. latior (Hall & Clements) Nesom & Baird Synonymy: Chrysothamnus parryi ssp. latior Hall & Clements

                                                                                                                                                                                                                                                                                                    var. monocephala (A. Nels & Kennedy) Nesom & Baird Synonymy: Chrysothamnus parryi ssp. monocephalus (A. Nels. & Kennedy) Hall & Clements , Chrysothamnus parryi var. monocephalus (A. Nels. & Kennedy) Jepson

                                                                                                                                                                                                                                                                                                    var. montana (L.C. Anders.) Nesom & Baird Synonymy: Chrysothamnus parryi ssp. montanus L.C. Anders.

                                                                                                                                                                                                                                                                                                    var. nevadensis (Gray) Nesom & Baird Synonymy: Chrysothamnus parryi ssp. nevadensis (Gray) Hall & Clements , Chrysothamnus parryi var. nevadensis (Gray) Kittell

                                                                                                                                                                                                                                                                                                    var. parryi Synonymy: Chrysothamnus parryi (Gray) Greene , Chrysothamnus parryi ssp. typicus Hall & Clements

                                                                                                                                                                                                                                                                                                    var. salmonensis (L.C. Anders.) Nesom & Baird Synonymy: Chrysothamnus parryi ssp. salmonensis L.C. Anders.

                                                                                                                                                                                                                                                                                                    var. vulcanica (Greene) Nesom & Baird Synonymy: Chrysothamnus parryi ssp. vulcanicus (Greene) Hall & Clements , Chrysothamnus parryi var. vulcanicus (Greene) Jepson

                                                                                                                                                                                                                                                                                                  pinifolia (Gray) Hall Synonymy: Haplopappus pinifolius Gray

                                                                                                                                                                                                                                                                                                  resinosa Nutt. Synonymy: Haplopappus resinosus (Nutt.) Gray

                                                                                                                                                                                                                                                                                                  suffruticosa (Nutt.) Nesom Synonymy: Haplopappus suffruticosus (Nutt.) Gray , Macronema suffruticosum Nutt.

                                                                                                                                                                                                                                                                                                  teretifolia (Dur. & Hilg.) Jepson Synonymy: Chrysothamnus teretifolius (Dur. & Hilg.) Hall

                                                                                                                                                                                                                                                                                                  X uintahensis (L.C. Anders.) Nesom & Baird [nauseosa X parryi] Synonymy: Chrysothamnus nauseosus ssp. uintahensis L.C. Anders. , Chrysothamnus nauseosus var. uintahensis (L.C. Anders.) Welsh

                                                                                                                                                                                                                                                                                                  X viscosa (Keck) Nesom & Baird [cuneata X nauseosa]

                                                                                                                                                                                                                                                                                                  watsonii (Gray) Nesom Synonymy: Haplopappus watsonii Gray , Macronema watsonii (Gray) Greene

                                                                                                                                                                                                                                                                                                  zionis (L.C. Anders.) Nesom Synonymy: Haplopappus zionis L.C. Anders.

                                                                                                                                                                                                                                                                                                  Erigeron L. - FLEABANE

                                                                                                                                                                                                                                                                                                    abajoensis Cronq.

                                                                                                                                                                                                                                                                                                    acomanus Spellenberg & P. Knight

                                                                                                                                                                                                                                                                                                    acris L.

                                                                                                                                                                                                                                                                                                      ssp. acris

                                                                                                                                                                                                                                                                                                        var. acris Synonymy: Trimorpha acris (L.) S.F. Gray

                                                                                                                                                                                                                                                                                                        var. debilis Gray Synonymy: Erigeron acris ssp. debilis (Gray) Piper , Erigeron angulosus ssp. debilis (Gray) Piper , Erigeron debilis (Gray) Rydb. , Erigeron jucundus Greene , Erigeron nivalis Nutt. , Trimorpha acris var. debilis (Gray) Nesom

                                                                                                                                                                                                                                                                                                      ssp. politus (Fries) Schinz & R. Keller Synonymy: Erigeron acris var. asteroides (Andrz. ex Bess.) DC. , Erigeron droebachianus O.F. Muell. ex Retz. , Erigeron elongatus Ledeb. , Erigeron politus Fries , Trimorpha acris var. asteroides (Andrz. ex Bess.) Nesom

                                                                                                                                                                                                                                                                                                      ssp. kamtschaticus (DC.) Hara Synonymy: Erigeron acris var. kamtschaticus (DC.) Herder , Erigeron kamtschaticus DC. , Trimorpha acris var. kamtschatica (DC.) Nesom

                                                                                                                                                                                                                                                                                                    aequifolius Hall

                                                                                                                                                                                                                                                                                                    algidus Jepson Synonymy: Erigeron petiolaris Greene

                                                                                                                                                                                                                                                                                                    aliceae T.J. Howell

                                                                                                                                                                                                                                                                                                    allocotus Blake

                                                                                                                                                                                                                                                                                                    alpiniformis Cronq.

                                                                                                                                                                                                                                                                                                    anchana Nesom

                                                                                                                                                                                                                                                                                                    angustatus Greene

                                                                                                                                                                                                                                                                                                    annuus (L.) Pers. Present in the Texas flora and known locally as: Annual fleabane, daisy fleabane (Texas Distribution by vegetation zone) Synonymy: Erigeron annuus var. discoideus (Victorin & Rouss.) Cronq. , Stenactis annua (L.) Nees

                                                                                                                                                                                                                                                                                                    aphanactis (Gray) Greene

                                                                                                                                                                                                                                                                                                      var. aphanactis Synonymy: Erigeron concinnus var. aphanactis Gray

                                                                                                                                                                                                                                                                                                      var. congestus (Greene) Cronq.

                                                                                                                                                                                                                                                                                                    arenarioides (D.C. Eat. ex Gray) Gray ex Rydb.

                                                                                                                                                                                                                                                                                                    argentatus Gray

                                                                                                                                                                                                                                                                                                    arisolius Nesom

                                                                                                                                                                                                                                                                                                    arizonicus Gray Synonymy: Erigeron rusbyi Gray

                                                                                                                                                                                                                                                                                                    X arthurii Boivin [acris X aureus]

                                                                                                                                                                                                                                                                                                    asper Nutt. Synonymy: Erigeron glabellus var. pubescens Hook. p.p.

                                                                                                                                                                                                                                                                                                    asperugineus (D.C. Eat.) Gray

                                                                                                                                                                                                                                                                                                    aureus Greene

                                                                                                                                                                                                                                                                                                      var. acutifolius Raup

                                                                                                                                                                                                                                                                                                      var. aureus Synonymy: Haplopappus brandegei Gray

                                                                                                                                                                                                                                                                                                    austiniae Greene Synonymy: Erigeron chrysopsidis var. austiniae (Greene) Cronq.

                                                                                                                                                                                                                                                                                                    awapensis Welsh

                                                                                                                                                                                                                                                                                                    barbellulatus Greene

                                                                                                                                                                                                                                                                                                    basalticus Hoover

                                                                                                                                                                                                                                                                                                    bellidiastrum Nutt. Present in the Texas flora and known locally as: Bigelow fleabane, western fleabane (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                      var. arenarius (Greene) Nesom Synonymy: Erigeron arenarius Greene

                                                                                                                                                                                                                                                                                                      var. bellidiastrum

                                                                                                                                                                                                                                                                                                      var. robustus Cronq.

                                                                                                                                                                                                                                                                                                    bellioides DC.

                                                                                                                                                                                                                                                                                                    bigelovii Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                    biolettii Greene Synonymy: Erigeron inornatus var. biolettii (Greene) Jepson

                                                                                                                                                                                                                                                                                                    bistiensis Nesom

                                                                                                                                                                                                                                                                                                    blochmaniae Greene Synonymy: Erigeron foliosus var. blochmaniae (Greene) Hall

                                                                                                                                                                                                                                                                                                    bloomeri Gray

                                                                                                                                                                                                                                                                                                      var. bloomeri Synonymy: Erigeron bloomeri var. typicus Cronq.

                                                                                                                                                                                                                                                                                                      var. nudatus (Gray) Cronq.

                                                                                                                                                                                                                                                                                                      var. pubens Keck

                                                                                                                                                                                                                                                                                                    borealis (Vierh.) Simm. Synonymy: Trimorpha borealis Vierh.

                                                                                                                                                                                                                                                                                                    breweri Gray

                                                                                                                                                                                                                                                                                                      var. bisanctus Nesom

                                                                                                                                                                                                                                                                                                      var. breweri

                                                                                                                                                                                                                                                                                                      var. covillei (Greene) Nesom Synonymy: Erigeron foliosus var. covillei (Greene) Compton

                                                                                                                                                                                                                                                                                                      var. jacinteus (Hall) Cronq.

                                                                                                                                                                                                                                                                                                      var. klamathensis Nesom

                                                                                                                                                                                                                                                                                                      var. porphyreticus (M.E. Jones) Cronq.

                                                                                                                                                                                                                                                                                                    caespitosus Nutt. Synonymy: Erigeron caespitosus var. laccoliticus M.E. Jones

                                                                                                                                                                                                                                                                                                    calvus Coville

                                                                                                                                                                                                                                                                                                    canus Gray

                                                                                                                                                                                                                                                                                                    carringtoniae Welsh

                                                                                                                                                                                                                                                                                                    cascadensis Heller

                                                                                                                                                                                                                                                                                                    cervinus Greene Synonymy: Erigeron delicatus Cronq.

                                                                                                                                                                                                                                                                                                    chrysopsidis Gray Synonymy: Erigeron chrysopsidis var. brevifolius Piper

                                                                                                                                                                                                                                                                                                    clokeyi Cronq.

                                                                                                                                                                                                                                                                                                    colomexicanus A. Nels. Synonymy: Erigeron divergens var. cinereus Gray

                                                                                                                                                                                                                                                                                                    compactus Blake

                                                                                                                                                                                                                                                                                                    compositus Pursh Synonymy: Erigeron compositus var. discoideus Gray , Erigeron compositus var. glabratus Macoun , Erigeron compositus var. multifidus (Rydb.) J.F. Macbr. & Payson , Erigeron compositus var. typicus Hook. , Erigeron trifidus Hook.

                                                                                                                                                                                                                                                                                                    concinnus (Hook. & Arn.) Torr. & Gray

                                                                                                                                                                                                                                                                                                      var. concinnus Synonymy: Distasis concinna Hook. & Arn. , Erigeron brandegei Gray , Erigeron pumilus ssp. concinnoides Cronq. , Erigeron pumilus var. concinnus (Hook. & Arn.) Dorn , Erigeron pumilus var. euconcinnoides Cronq.

                                                                                                                                                                                                                                                                                                      var. condensatus D.C. Eat. Synonymy: Erigeron condensatus (D.C. Eat.) Greene , Erigeron pumilus var. condensatus (D.C. Eat.) Cronq.

                                                                                                                                                                                                                                                                                                      var. subglaber (Cronq.) Nesom Synonymy: Erigeron perglaber Blake , Erigeron pumilus var. subglaber Cronq.

                                                                                                                                                                                                                                                                                                    consimilis Cronq. Synonymy: Erigeron compactus var. consimilis (Cronq.) Blake

                                                                                                                                                                                                                                                                                                    corymbosus Nutt.

                                                                                                                                                                                                                                                                                                    coulteri Porter

                                                                                                                                                                                                                                                                                                    cronquistii Maguire

                                                                                                                                                                                                                                                                                                    cuneifolius DC.

                                                                                                                                                                                                                                                                                                    decumbens Nutt.

                                                                                                                                                                                                                                                                                                      var. decumbens

                                                                                                                                                                                                                                                                                                      var. robustior (Cronq.) Cronq. Synonymy: Erigeron decumbens ssp. robustior Cronq.

                                                                                                                                                                                                                                                                                                    disparipilus Cronq.

                                                                                                                                                                                                                                                                                                    divergens Torr. & Gray Synonymy: Erigeron divergens var. typicus Cronq.

                                                                                                                                                                                                                                                                                                    eatonii Gray

                                                                                                                                                                                                                                                                                                      var. eatonii Synonymy: Erigeron canaani Welsh , Erigeron eatonii ssp. typicus Cronq.

                                                                                                                                                                                                                                                                                                      var. lavandulus Strother & Ferlatte

                                                                                                                                                                                                                                                                                                      var. nevadincola (S.F. Blake) Nesom Synonymy: Erigeron nevadincola S.F. Blake

                                                                                                                                                                                                                                                                                                      var. plantagineus (Greene) Cronq. Synonymy: Erigeron eatonii ssp. plantagineus (Greene) Cronq.

                                                                                                                                                                                                                                                                                                      var. sonnei (Greene) Nesom Synonymy: Erigeron nevadensis var. sonnei (Greene) Smilty , Erigeron sonnei Greene

                                                                                                                                                                                                                                                                                                      var. villosus (Cronq.) Cronq. Synonymy: Erigeron eatonii ssp. villosus Cronq.

                                                                                                                                                                                                                                                                                                    elatior (Gray) Greene

                                                                                                                                                                                                                                                                                                    elatus (Hook.) Greene Synonymy: Erigeron acris var. elatus (Hook.) Cronq. , Erigeron alpinus var. elatus Hook. , Erigeron elatus var. oligocephalus (Fern. & Wieg.) Fern. , Trimorpha elata (Hook.) Nesom

                                                                                                                                                                                                                                                                                                    elegantulus Greene Synonymy: Erigeron linearis var. elegantulus J.T. Howell

                                                                                                                                                                                                                                                                                                    elmeri (Greene) Greene Synonymy: Erigeron breweri var. elmeri Greene

                                                                                                                                                                                                                                                                                                    engelmannii A. Nels.

                                                                                                                                                                                                                                                                                                      var. davisii (Cronq.) Cronq. Synonymy: Erigeron engelmannii ssp. davisii Cronq.

                                                                                                                                                                                                                                                                                                      var. engelmannii Synonymy: Erigeron engelmannii ssp. typicus Cronq.

                                                                                                                                                                                                                                                                                                    evermannii Rydb.

                                                                                                                                                                                                                                                                                                    eximius Greene Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Erigeron superbus Greene ex Rydb.

                                                                                                                                                                                                                                                                                                    filifolius (Hook.) Nutt.

                                                                                                                                                                                                                                                                                                      var. filifolius Synonymy: Erigeron filifolius var. typicus Cronq.

                                                                                                                                                                                                                                                                                                      var. robustior M.E. Peck

                                                                                                                                                                                                                                                                                                    flabellifolius Rydb.

                                                                                                                                                                                                                                                                                                    flagellaris Gray Present in the Texas flora and known locally as: Trailing fleabane, running fleabane (Texas Distribution by vegetation zone) Synonymy: Erigeron flagellaris var. typicus Cronq. , Erigeron nudiflorus Buckl.

                                                                                                                                                                                                                                                                                                    flettii G.N. Jones

                                                                                                                                                                                                                                                                                                    foliosus Nutt.

                                                                                                                                                                                                                                                                                                      var. confinis (T.J. Howell) Jepson

                                                                                                                                                                                                                                                                                                      var. foliosus Synonymy: Erigeron foliosus var. stenophyllus (Nutt.) Gray

                                                                                                                                                                                                                                                                                                      var. franciscensis Nesom

                                                                                                                                                                                                                                                                                                      var. mendocinus (Greene) Nesom Synonymy: Erigeron mendocinus Greene

                                                                                                                                                                                                                                                                                                      var. hartwegii (Greene) Jepson

                                                                                                                                                                                                                                                                                                    formosissimus Greene

                                                                                                                                                                                                                                                                                                      var. formosissimus Synonymy: Erigeron formosissimus var. typicus Cronq.

                                                                                                                                                                                                                                                                                                      var. viscidus (Rydb.) Cronq. Synonymy: Erigeron glabellus var. viscidus (Rydb.) Boivin , Erigeron viscidus Rydb.

                                                                                                                                                                                                                                                                                                    garrettii A. Nels. Synonymy: Erigeron controversus Greene

                                                                                                                                                                                                                                                                                                    geiseri Shinners Present in the Texas flora and known locally as: Basin fleabane (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                    gilensis Woot. & Standl. Synonymy: Achaetogeron chihuahuensis Larsen

                                                                                                                                                                                                                                                                                                    glabellus Nutt.

                                                                                                                                                                                                                                                                                                      var. glabellus Synonymy: Erigeron asperum Nutt. p.p. , Erigeron glabellus ssp. typicus Cronq. , Erigeron oblanceolatus Rydb.

                                                                                                                                                                                                                                                                                                      var. pubescens Hook. Synonymy: Erigeron anodonta Lunell , Erigeron asperum var. pubescens (Hook.) Breitung , Erigeron glabellus ssp. pubescens (Hook.) Cronq. , Erigeron oligodontus Lunell

                                                                                                                                                                                                                                                                                                    glaucus Ker-Gawl.

                                                                                                                                                                                                                                                                                                    goodrichii Welsh

                                                                                                                                                                                                                                                                                                    gracilis Rydb.

                                                                                                                                                                                                                                                                                                    grandiflorus Hook.

                                                                                                                                                                                                                                                                                                      ssp. arcticus Porsild

                                                                                                                                                                                                                                                                                                      ssp. grandiflorus

                                                                                                                                                                                                                                                                                                    heliographis Nesom

                                                                                                                                                                                                                                                                                                    hessii Nesom

                                                                                                                                                                                                                                                                                                    howellii Gray

                                                                                                                                                                                                                                                                                                    hultenii Spongberg

                                                                                                                                                                                                                                                                                                    humilis Graham Synonymy: Erigeron unalaschkensis (DC.) Vierh. , Erigeron uniflorus var. unalaschkensis (DC.) Ostenf.

                                                                                                                                                                                                                                                                                                    hyperboreus Greene Synonymy: Erigeron alaskanus Cronq.

                                                                                                                                                                                                                                                                                                    hyssopifolius Michx.

                                                                                                                                                                                                                                                                                                      var. hyssopifolius

                                                                                                                                                                                                                                                                                                      var. villicaulis Fern.

                                                                                                                                                                                                                                                                                                    inornatus (Gray) Gray

                                                                                                                                                                                                                                                                                                      var. calidipetris Nesom

                                                                                                                                                                                                                                                                                                      var. inornatus

                                                                                                                                                                                                                                                                                                      var. keilii Nesom

                                                                                                                                                                                                                                                                                                    jamaicensis L.

                                                                                                                                                                                                                                                                                                    jonesii Cronq. Synonymy: Erigeron wahwahensis Welsh

                                                                                                                                                                                                                                                                                                    kachinensis Welsh & Moore

                                                                                                                                                                                                                                                                                                    karvinskianus DC.

                                                                                                                                                                                                                                                                                                    kuschei Eastw.

                                                                                                                                                                                                                                                                                                    lanatus Hook.

                                                                                                                                                                                                                                                                                                    lassenianus Greene

                                                                                                                                                                                                                                                                                                      var. deficiens Cronq.

                                                                                                                                                                                                                                                                                                      var. lassenianus Synonymy: Erigeron flexuosus Cronq.

                                                                                                                                                                                                                                                                                                    latus (A. Nels. & J.F. Macbr.) Cronq.

                                                                                                                                                                                                                                                                                                    leibergii Piper

                                                                                                                                                                                                                                                                                                    leiomerus Gray

                                                                                                                                                                                                                                                                                                    lemmonii Gray

                                                                                                                                                                                                                                                                                                    linearis (Hook.) Piper Synonymy: Erigeron peucephyllus Gray

                                                                                                                                                                                                                                                                                                    lobatus A. Nels.

                                                                                                                                                                                                                                                                                                    lonchophyllus Hook. Synonymy: Erigeron lonchophyllus var. laurentianus Victorin , Erigeron minor (Hook.) Rydb. , Trimorpha lonchophylla (Hook.) Nesom

                                                                                                                                                                                                                                                                                                    maguirei Cronq. Listed by the U.S. FWS as endangered, the FWS local name is Maguire daisy and the FWS range is: U.S.A. (UT). Listed on September 5, 1985 (Volume 50 Federal Register 36091). Synonymy: Erigeron maguirei var. harrisonii Welsh

                                                                                                                                                                                                                                                                                                    mancus Rydb.

                                                                                                                                                                                                                                                                                                    mariposanus Congdon

                                                                                                                                                                                                                                                                                                    melanocephalus (A. Nels.) A. Nels. Synonymy: Erigeron uniflorus var. melanocephalus A. Nels.

                                                                                                                                                                                                                                                                                                    mexiae K. Becker

                                                                                                                                                                                                                                                                                                    mimegletes Shinners Present in the Texas flora and known locally as: Sonora fleabane (Texas Distribution by vegetation zone) Synonymy: Erigeron geiseri var. calcicola Shinners

                                                                                                                                                                                                                                                                                                    miser Gray

                                                                                                                                                                                                                                                                                                    modestus Gray Present in the Texas flora and known locally as: Plains fleabane (Texas Distribution by vegetation zone) Synonymy: Erigeron lobatus var. warnockii Shinners , Erigeron plateauensis Cronq. , Erigeron warnockii (Shinners) Shinners

                                                                                                                                                                                                                                                                                                    muirii Gray Synonymy: Erigeron grandiflorus ssp. muirii (Gray) Hultén

                                                                                                                                                                                                                                                                                                    multiceps Greene

                                                                                                                                                                                                                                                                                                    nanus Nutt.

                                                                                                                                                                                                                                                                                                    nauseosus (M.E. Jones) A. Nels.

                                                                                                                                                                                                                                                                                                    nematophyllus Rydb.

                                                                                                                                                                                                                                                                                                    neomexicanus Gray Synonymy: Erigeron delphiniifolius ssp. neomexicanus (Gray) Cronq. , Erigeron delphiniifolius var. euneomexicanus Cronq.

                                                                                                                                                                                                                                                                                                    ochroleucus Nutt.

                                                                                                                                                                                                                                                                                                      var. ochroleucus Synonymy: Erigeron lackschewitzii Nesom & W.A. Weber , Erigeron parryi Canby & Rose

                                                                                                                                                                                                                                                                                                      var. scribneri (Canby ex Rydb.) Cronq.

                                                                                                                                                                                                                                                                                                    oreganus Gray

                                                                                                                                                                                                                                                                                                    oreophilus Greenm. Synonymy: Erigeron delphiniifolius var. oreophilus (Greenm.) Cronq.

                                                                                                                                                                                                                                                                                                    ovinus Cronq.

                                                                                                                                                                                                                                                                                                    oxyphyllus Greene

                                                                                                                                                                                                                                                                                                    pallens Cronq. Synonymy: Erigeron purpuratus ssp. pallens (Cronq.) G.W. Douglas

                                                                                                                                                                                                                                                                                                    parishii Gray Listed by the U.S. FWS as threatened - the FWS local name is Parish's daisy and the FWS range is: U.S.A. (CA).

                                                                                                                                                                                                                                                                                                    peregrinus (Banks ex Pursh) Greene

                                                                                                                                                                                                                                                                                                      ssp. callianthemus (Greene) Cronq.

                                                                                                                                                                                                                                                                                                        var. callianthemus (Greene) Cronq. Synonymy: Erigeron callianthemus Greene , Erigeron peregrinus var. angustifolius (Gray) Cronq. , Erigeron peregrinus var. eucallianthemus Cronq. , Erigeron peregrinus var. scaposus (Torr. & Gray) Cronq.

                                                                                                                                                                                                                                                                                                        var. hirsutus Cronq.

                                                                                                                                                                                                                                                                                                      ssp. peregrinus

                                                                                                                                                                                                                                                                                                        var. dawsonii Greene

                                                                                                                                                                                                                                                                                                        var. peregrinus Synonymy: Erigeron unalaschkensis Less.

                                                                                                                                                                                                                                                                                                        var. thompsonii (Blake ex J.W. Thompson) Cronq.

                                                                                                                                                                                                                                                                                                    petrophilus Greene

                                                                                                                                                                                                                                                                                                      var. petrophilus

                                                                                                                                                                                                                                                                                                      var. sierrensis Nesom

                                                                                                                                                                                                                                                                                                      var. viscidulus (Gray) Nesom Synonymy: Erigeron inornatus var. viscidulus Gray

                                                                                                                                                                                                                                                                                                    philadelphicus L. Present in the Texas flora and known locally as: Philabelphia fleabane (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                      var. glaber Henry

                                                                                                                                                                                                                                                                                                      var. philadelphicus Synonymy: Erigeron philadelphicus var. scaturicola (Fern.) Fern. , Erigeron purpureus Ait.

                                                                                                                                                                                                                                                                                                      var. provancheri (Victorin & Rouss.) Boivin Synonymy: Erigeron philadelphicus ssp. provancheri (Victorin & Rouss.) J.K. Morton , Erigeron provancheri Victorin & Rouss.

                                                                                                                                                                                                                                                                                                    pinnatisectus (Gray) A. Nels. Synonymy: Erigeron compositus var. pinnatisectus Gray

                                                                                                                                                                                                                                                                                                    piperianus Cronq.

                                                                                                                                                                                                                                                                                                    piscaticus Nesom

                                                                                                                                                                                                                                                                                                    poliospermus Gray

                                                                                                                                                                                                                                                                                                      var. cereus Cronq.

                                                                                                                                                                                                                                                                                                      var. poliospermus Synonymy: Erigeron poliospermus var. typicus Cronq.

                                                                                                                                                                                                                                                                                                    pringlei Gray

                                                                                                                                                                                                                                                                                                    procumbens (Houst. ex P. Mill.) Nesom Present in the Texas flora and known locally as: Corpus Christi fleabane (Texas Distribution by vegetation zone) Synonymy: Aster procumbens Houst. ex P. Mill. , Erigeron myrionactis Small , Erigeron repens Gray

                                                                                                                                                                                                                                                                                                    proselyticus Nesom Synonymy: Erigeron flagellaris var. trilobatus Maguire ex Cronq. , Erigeron sionis var. trilobatus (Maguire ex Cronq.) Welsh

                                                                                                                                                                                                                                                                                                    pubescens Kunth (NOTE: Presence in the North American flora not certain. Please contact BONAP if vouchered records are available.)

                                                                                                                                                                                                                                                                                                    pulchellus Michx. Present in the Texas flora and known locally as: Poor robin's plantain, robin's plantain (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                      var. brauniae Fern.

                                                                                                                                                                                                                                                                                                      var. pulchellus

                                                                                                                                                                                                                                                                                                      var. tolsteadii Cronq.

                                                                                                                                                                                                                                                                                                    pulcherrimus Heller Synonymy: Erigeron pulcherrimus var. wyomingia (Rydb.) Cronq. , Erigeron wyomingia Rydb.

                                                                                                                                                                                                                                                                                                    pumilus Nutt.

                                                                                                                                                                                                                                                                                                      ssp. intermedius Cronq.

                                                                                                                                                                                                                                                                                                        var. gracilior Cronq.

                                                                                                                                                                                                                                                                                                        var. intermedius (Cronq.) Cronq. Synonymy: Erigeron pumilus var. euintermedius Cronq.

                                                                                                                                                                                                                                                                                                      ssp. pumilus Synonymy: Erigeron pumilus ssp. typicus Cronq.

                                                                                                                                                                                                                                                                                                    purpuratus Greene

                                                                                                                                                                                                                                                                                                      var. dilatatus Boivin

                                                                                                                                                                                                                                                                                                      var. purpuratus

                                                                                                                                                                                                                                                                                                    pygmaeus (Gray) Greene

                                                                                                                                                                                                                                                                                                    quercifolius Lam. Present in the Texas flora, local name unknown. No Texas distribution data available

                                                                                                                                                                                                                                                                                                    radicatus Hook.

                                                                                                                                                                                                                                                                                                    reductus (Cronq.) Nesom

                                                                                                                                                                                                                                                                                                      var. angustatus (Gray) Nesom Synonymy: Erigeron inornatus var. angustatus Gray

                                                                                                                                                                                                                                                                                                      var. reductus Synonymy: Erigeron inornatus var. reductus Cronq.

                                                                                                                                                                                                                                                                                                    religiosus Cronq.

                                                                                                                                                                                                                                                                                                    rhizomatus Cronq. Listed by the U.S. FWS as threatened - the FWS local name is Zuni (=Rhizome) fleabane and the FWS range is: U.S.A. (NM).

                                                                                                                                                                                                                                                                                                    rybius Nesom

                                                                                                                                                                                                                                                                                                    rydbergii Cronq.

                                                                                                                                                                                                                                                                                                    salishii G.W. Douglas & Packer

                                                                                                                                                                                                                                                                                                    salmonensis S.J. Brunsfeld & Nesom

                                                                                                                                                                                                                                                                                                    sanctarum S. Wats.

                                                                                                                                                                                                                                                                                                    saxatilis Nesom

                                                                                                                                                                                                                                                                                                    sceptrifer Nesom

                                                                                                                                                                                                                                                                                                    scopulinus Nesom & Roth

                                                                                                                                                                                                                                                                                                    scotteri Boivin Synonymy: Trimorpha scotteri (Boivin) Nesom

                                                                                                                                                                                                                                                                                                    serpentinus Nesom

                                                                                                                                                                                                                                                                                                    simplex Greene

                                                                                                                                                                                                                                                                                                    sionis Cronq.

                                                                                                                                                                                                                                                                                                    sivinskii Nesom

                                                                                                                                                                                                                                                                                                    speciosus (Lindl.) DC.

                                                                                                                                                                                                                                                                                                      var. macranthus (Nutt.) Cronq. Synonymy: Erigeron macranthus Nutt.

                                                                                                                                                                                                                                                                                                      var. speciosus Synonymy: Erigeron speciosus var. typicus Cronq.

                                                                                                                                                                                                                                                                                                    strigosus Muhl. ex Willd.

                                                                                                                                                                                                                                                                                                      var. beyrichii (Fisch. & C.A. Mey.) Torr. & Gray ex Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Erigeron ramosus var. beyrichii (Fisch. & C.A. Mey.) Gray

                                                                                                                                                                                                                                                                                                      var. septentrionalis (Fern. & Wieg.) Fern. Synonymy: Erigeron strigosus ssp. septentrionalis (Fern. & Wieg.) Wagenitz

                                                                                                                                                                                                                                                                                                      var. strigosus Present in the Texas flora and known locally as: Prairie fleabane, whitetop (Texas Distribution by vegetation zone) Synonymy: Erigeron annuus ssp. strigosus (Muhl. ex Willd.) Wagenitz , Erigeron ramosus (Walt.) B.S.P. , Erigeron strigosus var. discoideus Robbins ex Gray , Erigeron strigosus var. eligulatus Cronq. , Erigeron strigosus var. typicus Cronq. , Erigeron traversii Shinners , Stenactis strigosa (Muhl. ex Willd.) DC.

                                                                                                                                                                                                                                                                                                    subglaber Cronq.

                                                                                                                                                                                                                                                                                                    subtrinervis Rydb. ex Porter & Britt.

                                                                                                                                                                                                                                                                                                      var. conspicuus (Rydb.) Cronq. Synonymy: Erigeron conspicuus Rydb. , Erigeron speciosus var. conspicuus (Rydb.) Breitung , Erigeron subtrinervis ssp. conspicuus (Rydb.) Cronq.

                                                                                                                                                                                                                                                                                                      var. subtrinervis Synonymy: Erigeron glabellus var. mollis Gray , Erigeron speciosus var. mollis (Gray) Welsh , Erigeron subtrinervis ssp. typicus Cronq.

                                                                                                                                                                                                                                                                                                    supplex Gray

                                                                                                                                                                                                                                                                                                    tenellus DC. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                    tener (Gray) Gray

                                                                                                                                                                                                                                                                                                    tenuis Torr. & Gray Present in the Texas flora and known locally as: Slender fleabane (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                    tweedyi Canby

                                                                                                                                                                                                                                                                                                    uintahensis Cronq. Synonymy: Erigeron speciosus var. uintahensis (Cronq.) Welsh

                                                                                                                                                                                                                                                                                                    uncialis Blake

                                                                                                                                                                                                                                                                                                      ssp. conjugans (Blake) Cronq. Synonymy: Erigeron uncialis var. conjugans Blake

                                                                                                                                                                                                                                                                                                      ssp. uncialis Synonymy: Erigeron cavernensis Welsh & Atwood

                                                                                                                                                                                                                                                                                                    uniflorus L.

                                                                                                                                                                                                                                                                                                      ssp. eriocephalus (J. Vahl) Cronq. Synonymy: Erigeron eriocephalus J. Vahl , Erigeron uniflorus var. eriocephalus (J. Vahl) Boivin

                                                                                                                                                                                                                                                                                                    untermannii Welsh & Goodrich

                                                                                                                                                                                                                                                                                                    ursinus D.C. Eat.

                                                                                                                                                                                                                                                                                                    utahensis Gray

                                                                                                                                                                                                                                                                                                      var. sparsifolius (Eastw.) Cronq.

                                                                                                                                                                                                                                                                                                      var. utahensis Synonymy: Erigeron utahensis var. tetrapleurus (Gray) Cronq.

                                                                                                                                                                                                                                                                                                    vagus Payson

                                                                                                                                                                                                                                                                                                    velutipes Hook. & Arn.

                                                                                                                                                                                                                                                                                                    vernus (L.) Torr. & Gray

                                                                                                                                                                                                                                                                                                    vetensis Rydb.

                                                                                                                                                                                                                                                                                                    vreelandii Greene Synonymy: Erigeron platyphyllus Greene

                                                                                                                                                                                                                                                                                                    watsonii (Gray) Cronq. Synonymy: Aster watsonii Gray

                                                                                                                                                                                                                                                                                                    wilkenii O'Kane

                                                                                                                                                                                                                                                                                                    yukonensis Rydb. Synonymy: Erigeron glabellus var. yukonensis (Rydb.) Hultén

                                                                                                                                                                                                                                                                                                    zothecinus Welsh

                                                                                                                                                                                                                                                                                                    Eriophyllum Lag. - WOOLLY-SUNFLOWER

                                                                                                                                                                                                                                                                                                      ambiguum (Gray) Gray

                                                                                                                                                                                                                                                                                                        var. ambiguum

                                                                                                                                                                                                                                                                                                        var. paleaceum (Brandeg.) Ferris

                                                                                                                                                                                                                                                                                                      confertiflorum (DC.) Gray

                                                                                                                                                                                                                                                                                                        var. confertiflorum Synonymy: Eriophyllum confertiflorum var. discoideum (Rydb.) Munz , Eriophyllum confertiflorum var. latum Hall , Eriophyllum confertiflorum var. laxiflorum Gray , Eriophyllum confertiflorum var. tridactylum (Rydb.) Munz

                                                                                                                                                                                                                                                                                                        var. tanacetiflorum (Greene) Jepson Synonymy: Eriophyllum tanacetiflorum Greene

                                                                                                                                                                                                                                                                                                      congdonii Brandeg. Synonymy: Eriophyllum nubigenum var. congdonii (Brandeg.) Constance

                                                                                                                                                                                                                                                                                                      jepsonii Greene

                                                                                                                                                                                                                                                                                                      lanatum (Pursh) Forbes

                                                                                                                                                                                                                                                                                                        var. achillaeoides (DC.) Jepson

                                                                                                                                                                                                                                                                                                        var. aphanactis J.T. Howell

                                                                                                                                                                                                                                                                                                        var. arachnoideum (Fisch. & Avé-Lall.) Jepson

                                                                                                                                                                                                                                                                                                        var. croceum (Greene) Jepson

                                                                                                                                                                                                                                                                                                        var. cuneatum (Kellogg) Jepson

                                                                                                                                                                                                                                                                                                        var. grandiflorum (Gray) Jepson

                                                                                                                                                                                                                                                                                                        var. hallii Constance

                                                                                                                                                                                                                                                                                                        var. integrifolium (Hook.) Smiley Synonymy: Eriophyllum integrifolium (Hook.) Greene , Eriophyllum lanatum var. monoense (Rydb.) Jepson

                                                                                                                                                                                                                                                                                                        var. lanatum Synonymy: Eriophyllum lanatum var. typicum Constance

                                                                                                                                                                                                                                                                                                        var. lanceolatum (T.J. Howell) Jepson

                                                                                                                                                                                                                                                                                                        var. leucophyllum (DC.) W.R. Carter

                                                                                                                                                                                                                                                                                                        var. obovatum (Greene) Hall

                                                                                                                                                                                                                                                                                                      latilobum Rydb. Listed by the U.S. FWS as endangered, the FWS local name is San Mateo woolly sunflower and the FWS range is: U.S.A. (CA).

                                                                                                                                                                                                                                                                                                      mohavense (I.M. Johnston) Jepson

                                                                                                                                                                                                                                                                                                      multicaule (DC.) Gray

                                                                                                                                                                                                                                                                                                      nevinii Gray

                                                                                                                                                                                                                                                                                                      nubigenum Greene ex Gray

                                                                                                                                                                                                                                                                                                      pringlei Gray

                                                                                                                                                                                                                                                                                                      stoechadifolium Lag. Synonymy: Eriophyllum stoechadifolium var. artemisiifolium (Less.) J.F. Macbr. , Eriophyllum stoechadifolium var. depressum Greene

                                                                                                                                                                                                                                                                                                      Eucephalus Nutt.

                                                                                                                                                                                                                                                                                                        breweri (Gray) Nesom Synonymy: Aster breweri (Gray) Semple , Chrysopsis breweri Gray , Chrysopsis breweri var. multibracteata Jepson , Chrysopsis gracilis Eastw. , Chrysopsis wrightii Gray , Heterotheca breweri (Gray) Shinners

                                                                                                                                                                                                                                                                                                        brickellioides (Greene) Nesom Synonymy: Aster brickellioides Greene

                                                                                                                                                                                                                                                                                                        engelmannii (D.C. Eat.) Greene Synonymy: Aster elegans var. engelmannii D.C. Eat. , Aster engelmannii (D.C. Eat.) Gray

                                                                                                                                                                                                                                                                                                        glabratus (Greene) Greene Synonymy: Aster brickellioides var. glabratus Greene , Aster siskiyouensis A. Nels. & J.F. Macbr.

                                                                                                                                                                                                                                                                                                        glaucescens (Gray) Greene Synonymy: Aster engelmannii var. glaucescens Gray , Aster glaucescens (Gray) Blake

                                                                                                                                                                                                                                                                                                        gormanii Piper Synonymy: Aster gormanii (Piper) Blake

                                                                                                                                                                                                                                                                                                        ledophyllus (Gray) Greene

                                                                                                                                                                                                                                                                                                          var. covillei (Greene) Nesom Synonymy: Aster covillei (Greene) Blake ex Peck , Aster ledophyllus var. covillei (Greene) Cronq. , Eucephalus covillei Greene

                                                                                                                                                                                                                                                                                                          var. ledophyllus Synonymy: Aster engelmannii var. ledophyllus Gray

                                                                                                                                                                                                                                                                                                        paucicapitatus (B.L. Robins.) Greene Synonymy: Aster engelmannii var. paucicapitatus B.L. Robins. , Aster paucicapitatus (B.L. Robins.) B.L. Robins.

                                                                                                                                                                                                                                                                                                        tomentellus (Greene) Greene Synonymy: Aster tomentellus (Greene) Frye & Rigg, non Hook. , Sericocarpus tomentellus Greene

                                                                                                                                                                                                                                                                                                        vialis Bradshaw Synonymy: Aster vialis (Bradshaw) Blake

                                                                                                                                                                                                                                                                                                        Euchiton Cass.

                                                                                                                                                                                                                                                                                                          gymnocephalus (DC.) A. Anderb. Synonymy: Gnaphalium collinum Labill. , Gnaphalium gymnocephalus DC.

                                                                                                                                                                                                                                                                                                          japonicus (Thunb.) A. Anderb. Synonymy: Gnaphalium japonicum Thunb.

                                                                                                                                                                                                                                                                                                          Eupatorium L. - BONESET, JOE-PYE-WEED, AND THOROUGHWORT

                                                                                                                                                                                                                                                                                                            album L.

                                                                                                                                                                                                                                                                                                              var. album Synonymy: Eupatorium fernaldii Godfrey , Eupatorium petaloideum Britt. ex Small

                                                                                                                                                                                                                                                                                                              var. glandulosum (Michx.) DC. Synonymy: Eupatorium glandulosum Michx.

                                                                                                                                                                                                                                                                                                              var. subvenosum Gray

                                                                                                                                                                                                                                                                                                            altissimum L. Present in the Texas flora and known locally as: Tall eupatorium, tall thoroughwort (Texas Distribution by vegetation zone) Synonymy: Eupatorium saltuense Fern., non Agertina altissima (L.) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            anomalum Nash

                                                                                                                                                                                                                                                                                                            azureum DC. Present in the Texas flora and known locally as: Blue boneset (Texas Distribution by vegetation zone) Synonymy: Tamaulipa azurea (DC.) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            betonicifolium P. Mill. Present in the Texas flora and known locally as: Betony-leaf eupatorium (Texas Distribution by vegetation zone) Synonymy: Conoclinium betonicifolium (P. Mill.) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            bigelovii Gray Synonymy: Chromolaena bigelovii (Gray) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            borinquense (Britt.) B.L. Robins. Synonymy: Chromolaena borinquensis (Britt.) King & H.E. Robins. , Osmia borinquensis Britt.

                                                                                                                                                                                                                                                                                                            cannabinum L.

                                                                                                                                                                                                                                                                                                            capillifolium (Lam.) Small Present in the Texas flora and known locally as: Dog-fennel eupatorium (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                            chapmanii Small

                                                                                                                                                                                                                                                                                                            coelestinum L. Present in the Texas flora and known locally as: Mistflower, blue boneset (Texas Distribution by vegetation zone) Synonymy: Conoclinium coelestinum (L.) DC.

                                                                                                                                                                                                                                                                                                            compositifolium Walt. Present in the Texas flora and known locally as: Yankeweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                            corymbosum Aubl. Synonymy: Chromolaena corymbosa (Aubl.) King & H.E. Robins. , Osmia corymbosa (Aubl.) Britt. & Wilson

                                                                                                                                                                                                                                                                                                            dolicholepis (Urban) Britt. Synonymy: Koanophyllon dolicholepis (Urban) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            droserolepis B.L. Robins. Synonymy: Koanophyllon droserolepis (B.L. Robins.) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            dubium Willd. ex Poir. Synonymy: Eupatoriadelphus dubius (Willd. ex Poir.) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            fistulosum Barratt Present in the Texas flora and known locally as: Purplestem, joe-pye-weed, trumpet-weed (Texas Distribution by vegetation zone) Synonymy: Eupatoriadelphus fistulosus (Barratt) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            frustratum B.L. Robins. Synonymy: Chromolaena frustrata (B.L. Robins.) King & H.E. Robins. , Osmia frustrata (B.L. Robins.) Small

                                                                                                                                                                                                                                                                                                            geraniifolium Urban Synonymy: Chromolaena geraniifolia (Urban) King & H.E. Robins. , Osmia geraniifolia (Urban) Britt. & Wilson

                                                                                                                                                                                                                                                                                                            glaucescens Ell. Present in the Texas flora (treated as Eupatorium cuneifolium Willd. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Eupatorium cuneifolium Willd. , Eupatorium hyssopifolium var. linearifolium (Walt.) Fern. , Eupatorium linearifolium Walt. , Eupatorium tortifolium Chapman

                                                                                                                                                                                                                                                                                                            godfreyanum Cronq.

                                                                                                                                                                                                                                                                                                            greggii Gray Present in the Texas flora and known locally as: Palmleaf eupatorium (Texas Distribution by vegetation zone) Synonymy: Conoclinium greggii (Gray) Small

                                                                                                                                                                                                                                                                                                            hyssopifolium L.

                                                                                                                                                                                                                                                                                                              var. calcaratum Fern. & Schub.

                                                                                                                                                                                                                                                                                                              var. hyssopifolium Synonymy: Eupatorium lecheifolium Greene , Eupatorium linearifolium sensu Michx., non Walt. , Eupatorium torreyanum Short & Peter

                                                                                                                                                                                                                                                                                                              var. laciniatum Gray

                                                                                                                                                                                                                                                                                                            incarnatum Walt. Present in the Texas flora and known locally as: Pink eupatorium (Texas Distribution by vegetation zone) Synonymy: Fleischmannia incarnata (Walt.) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            iresinoides Kunth Synonymy: Condylidium iresinoides (Kunth) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            ivifolium L. Present in the Texas flora and known locally as: Ivyleaf eupatorium (Texas Distribution by vegetation zone) Synonymy: Chromolaena ivifolia (L.) King & H.E. Robins. , Osmia ivifolia (L.) Schultz-Bip.

                                                                                                                                                                                                                                                                                                            lancifolium (Torr. & Gray) Small Present in the Texas flora (treated as Eupatorium semiseratum DC. var. lancifolium T. & G. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Eupatorium semiserratum var. lancifolium Torr. & Gray

                                                                                                                                                                                                                                                                                                            leptophyllum DC. Synonymy: Eupatorium capillifolium var. leptophyllum (DC.) Ahles

                                                                                                                                                                                                                                                                                                            leucolepis (DC.) Torr. & Gray Present in the Texas flora and known locally as: Hoarscale eupatorium, whitebracted thoroughwort, justice-weed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                              var. leucolepis

                                                                                                                                                                                                                                                                                                              var. novae-angliae Fern.

                                                                                                                                                                                                                                                                                                            macrophyllum L. Synonymy: Hebeclinium macrophyllum (L.) DC.

                                                                                                                                                                                                                                                                                                            maculatum L.

                                                                                                                                                                                                                                                                                                              var. bruneri (Gray) Breitung Synonymy: Eupatoriadelphus maculatus var. bruneri (Gray) King & H.E. Robins. , Eupatorium bruneri Gray , Eupatorium maculatum ssp. bruneri (Gray) G.W. Douglas

                                                                                                                                                                                                                                                                                                              var. foliosum (Fern.) Wieg.

                                                                                                                                                                                                                                                                                                              var. maculatum Synonymy: Eupatoriadelphus maculatus (L.) King & H.E. Robins. , Eupatorium purpureum var. maculatum (L.) Darl.

                                                                                                                                                                                                                                                                                                            microstemon Cass. Synonymy: Fleischmannia microstemon (Cass.) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            mikanioides Chapman

                                                                                                                                                                                                                                                                                                            mohrii Greene Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Eupatorium recurvans Small

                                                                                                                                                                                                                                                                                                            odoratum L. Present in the Texas flora and known locally as: Christmas bush, cruciata (Texas Distribution by vegetation zone) Synonymy: Chromolaena odorata (L.) King & H.E. Robins. , Osmia odorata (L.) Schultz-Bip.

                                                                                                                                                                                                                                                                                                            oteroi Monachino Synonymy: Chromolaena oteroi (Monachino) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            perfoliatum L. Present in the Texas flora and known locally as: Boneset, thoroughwort (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                              var. colpophilum Fern. & Grisc.

                                                                                                                                                                                                                                                                                                              var. perfoliatum

                                                                                                                                                                                                                                                                                                            pilosum Walt. Synonymy: Eupatorium rotundifolium var. saundersii (Porter ex Britt.) Cronq.

                                                                                                                                                                                                                                                                                                            X pinnatifidum Ell. [capillifolium X perfoliatum] Synonymy: Eupatorium eugenei Small , Eupatorium pectinatum Small , Eupatorium smithii Greene & C. Mohr

                                                                                                                                                                                                                                                                                                            polyodon Urban Synonymy: Koanophyllon polyodon (Urban) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            portoricense Urban Synonymy: Critonia portoricensis (Urban) Britt. & Wilson

                                                                                                                                                                                                                                                                                                            purpureum L.

                                                                                                                                                                                                                                                                                                              var. holzingeri (Rydb.) E. Lamont Synonymy: Eupatorium holzingeri Rydb.

                                                                                                                                                                                                                                                                                                              var. purpureum Synonymy: Eupatoriadelphus purpureus (L.) King & H.E. Robins. , Eupatorium falcatum Michx. , Eupatorium purpureum var. amoenum (Pursh) Gray , Eupatorium trifoliatum L.

                                                                                                                                                                                                                                                                                                            pycnocephalum Less. Synonymy: Fleischmannia pycnocephala (Less.) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            resinosum Torr. ex DC.

                                                                                                                                                                                                                                                                                                            rotundifolium L.

                                                                                                                                                                                                                                                                                                              var. cordigerum Fern. Synonymy: Eupatorium cordigerum (Fern.) Fern.

                                                                                                                                                                                                                                                                                                              var. ovatum (Bigelow) Torr. Synonymy: Eupatorium pubescens Muhl. ex Willd. , Eupatorium rotundifolium ssp. ovatum (Bigelow) Montgomery & Fairbrothers p.p.

                                                                                                                                                                                                                                                                                                              var. rotundifolium Present in the Texas flora and known locally as: Roundleaf eupatorium, roundleaf thoroughwort (Texas Distribution by vegetation zone) Synonymy: Eupatorium verbenifolium Reichard

                                                                                                                                                                                                                                                                                                              var. scabridum (Ell.) Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Eupatorium scabridum Ell.

                                                                                                                                                                                                                                                                                                            semiserratum DC. Synonymy: Eupatorium cuneifolium var. semiserratum (DC.) Fern. & Grisc.

                                                                                                                                                                                                                                                                                                            serotinum Michx. Present in the Texas flora and known locally as: Late eupatorium, late flowering thoroughwort (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                            sessilifolium L.

                                                                                                                                                                                                                                                                                                              var. brittonianum Porter

                                                                                                                                                                                                                                                                                                              var. sessilifolium

                                                                                                                                                                                                                                                                                                              var. vaseyi (Porter) Fern. & Grisc. Synonymy: Eupatorium album var. monardifolium Fern. , Eupatorium album var. vaseyi (Porter) Cronq. , Eupatorium vaseyi Porter

                                                                                                                                                                                                                                                                                                            sinuatum Lam. Synonymy: Chromolaena sinuata (Lam.) King & H.E. Robins. , Osmia sinuata (Lam.) Britt. & Wilson

                                                                                                                                                                                                                                                                                                            solidaginifolium Gray Present in the Texas flora and known locally as: Shrubby eupatorium (Texas Distribution by vegetation zone) Synonymy: Koanophyllon solidaginifolium (Gray) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            sonorae Gray Synonymy: Fleischmannia sonorae (Gray) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            sordidum Less. Synonymy: Bartlettina sordida (Less.) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            steelei E. Lamont

                                                                                                                                                                                                                                                                                                            triplinerve Vahl Synonymy: Ayapana triplinervis (Vahl) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            X truncatum Muhl. ex Willd. (pro sp.) [perfoliatum X serotinum] Synonymy: Eupatorium cuneatum (Engelm. ex Gray) Engelm. ex Small , Eupatorium perfoliatum var. cuneatum Engelm. ex Gray , Eupatorium perfoliatum var. truncatum (Muhl. ex Willd.) Gray , Eupatorium X polyneuron (F.J. Herm.) Wunderlin , Eupatorium resinosum var. kentuckiense Fern. , Eupatorium serotinum var. polyneuron F.J. Herm.

                                                                                                                                                                                                                                                                                                            villosum Sw. Synonymy: Koanophyllon villosum (Sw.) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                            Euryops (Cass.) Cass. - HAWK'S-EYE

                                                                                                                                                                                                                                                                                                              chrysanthemoides (DC.) B. Nordenstam

                                                                                                                                                                                                                                                                                                              multifidus (Thunb.) DC.

                                                                                                                                                                                                                                                                                                              Euthamia Nutt. ex Cass. - GOLDENTOP

                                                                                                                                                                                                                                                                                                                graminifolia (L.) Nutt.

                                                                                                                                                                                                                                                                                                                  var. graminifolia Synonymy: Euthamia graminifolia var. major (Michx.) Moldenke , Solidago graminifolia (L.) Salisb. , Solidago graminifolia var. major (Michx.) Fern.

                                                                                                                                                                                                                                                                                                                  var. hirtipes (Fern.) C.& J. Taylor Synonymy: Euthamia hirtipes (Fern.) Sieren (pro hybr.) , Solidago X hirtipes Fern.

                                                                                                                                                                                                                                                                                                                  var. nuttallii (Greene) W. Stone Synonymy: Euthamia floribunda Greene , Euthamia nuttallii Greene , Solidago graminifolia var. nuttallii (Greene) Fern. , Solidago graminifolia var. polycephala (Fern.) Fern. , Solidago hirtella (Greene) Bush , Solidago nuttallii (Greene) Bush , Solidago polycephala Fern.

                                                                                                                                                                                                                                                                                                                gymnospermoides Greene Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Euthamia camporum Greene , Euthamia chrysothamnoides Greene , Euthamia glutinosa Rydb. , Euthamia media Greene , Euthamia pulverulenta Greene , Solidago camporum (Greene) A. Nels. , Solidago chrysothamnoides (Greene) Bush , Solidago graminifolia var. gymnospermoides (Greene) Croat , Solidago graminifolia var. media (Greene) S.K. Harris , Solidago gymnospermoides (Greene) Fern. , Solidago gymnospermoides var. callosa S.K. Harris , Solidago media (Greene) Bush , Solidago moseleyi Fern. , Solidago perglabra Friesner , Solidago texensis Friesner

                                                                                                                                                                                                                                                                                                                leptocephala (Torr. & Gray) Greene Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Solidago leptocephala Torr. & Gray

                                                                                                                                                                                                                                                                                                                occidentalis Nutt. Synonymy: Euthamia californica Gandog. , Euthamia linearifolia Gandog. , Solidago occidentalis (Nutt.) Torr. & Gray

                                                                                                                                                                                                                                                                                                                tenuifolia (Pursh) Nutt.

                                                                                                                                                                                                                                                                                                                  var. pycnocephala (Fern.) C.& J. Taylor Synonymy: Euthamia galetorum Greene , Euthamia graminifolia var. galetorum (Greene) Friesner , Solidago galetorum (Greene) Friesner , Solidago graminifolia var. galetorum (Greene) House , Solidago tenuifolia var. pycnocephala Fern.

                                                                                                                                                                                                                                                                                                                  var. tenuifolia Synonymy: Euthamia caroliniana (L.) Greene ex Porter & Britt. , Euthamia microcephala Greene , Euthamia microphylla Greene , Euthamia minor (Michx.) Greene , Euthamia remota Greene , Solidago caroliniana B.S.P. , Solidago microcephala (Greene) Bush , Solidago microphylla (Greene) Bush , Solidago minor (Michx.) Fern. , Solidago remota (Greene) Friesner , Solidago tenuifolia Pursh

                                                                                                                                                                                                                                                                                                                Evax Gaertn. - PYGMY-CUDWEED

                                                                                                                                                                                                                                                                                                                  candida (Torr. & Gray) Gray Present in the Texas flora and known locally as: Silver evax (Texas Distribution by vegetation zone) Synonymy: Calymmandra candida Torr. & Gray , Diaperia candida (Torr. & Gray) Benth. , Filago candida (Torr. & Gray) Shinners

                                                                                                                                                                                                                                                                                                                  prolifera Nutt. ex DC. Present in the Texas flora and known locally as: Bighead evax (Texas Distribution by vegetation zone) Synonymy: Diaperia prolifera (Nutt. ex DC.) Nutt. , Filago nuttallii Shinners , Filago prolifera (Nutt. ex DC.) Britt., non Pomel

                                                                                                                                                                                                                                                                                                                  verna Raf. Present in the Texas flora and known locally as: Manystem evax (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                    var. drummondii (Torr. & Gray) Kartesz & Gandhi Synonymy: Diaperia drummondii (Torr. & Gray) Benth. , Evax multicaulis var. drummondii (Torr. & Gray) Gray , Filaginopsis drummondii Torr. & Gray , Filago verna var. drummondii (Torr. & Gray) Shinners

                                                                                                                                                                                                                                                                                                                    var. verna Synonymy: Diaperia multicaulis (DC.) Nutt. , Evax multicaulis DC. , Filaginopsis multicaulis (DC.) Torr. & Gray , Filago nivea Small , Filago verna (Raf.) Shinners

                                                                                                                                                                                                                                                                                                                  Facelis Cass. - TRAMPWEED

                                                                                                                                                                                                                                                                                                                    retusa (Lam.) Schultz-Bip. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Facelis apiculata Cass.

                                                                                                                                                                                                                                                                                                                    Filago L. - COTTON-ROSE

                                                                                                                                                                                                                                                                                                                      arizonica Gray Synonymy: Oglifa arizonica (Gray) Chrtek & Holub

                                                                                                                                                                                                                                                                                                                      arvensis L. Synonymy: Gnaphalium arvense L. , Logfia arvensis (L.) Holub , Oglifa arvensis (L.) Cass.

                                                                                                                                                                                                                                                                                                                      californica Nutt. Synonymy: Oglifa californica (Nutt.) Rydb.

                                                                                                                                                                                                                                                                                                                      depressa Gray Synonymy: Oglifa depressa (Gray) Chrtek & Holub

                                                                                                                                                                                                                                                                                                                      gallica L. Synonymy: Logfia gallica (L.) Coss. & Germ. , Oglifa gallica (L.) Chrtek & Holub

                                                                                                                                                                                                                                                                                                                      minima (Sm.) Pers. Synonymy: Logfia minima (Sm.) Dumort. , Oglifa minima (Sm.) Reichenb.

                                                                                                                                                                                                                                                                                                                      pyramidata L. Synonymy: Filago germanica Huds.

                                                                                                                                                                                                                                                                                                                      vulgaris Lam. Synonymy: Filago germanica L. 1763, non Huds. 1762 , Gifola germanica Dumort. , Gnaphalium germanicum Scopoli

                                                                                                                                                                                                                                                                                                                      Fitchia Hook. f. - BURRDAISY-TREE

                                                                                                                                                                                                                                                                                                                        speciosa Cheeseman

                                                                                                                                                                                                                                                                                                                        Flaveria Juss. - YELLOWTOPS

                                                                                                                                                                                                                                                                                                                          bidentis (L.) Kuntze

                                                                                                                                                                                                                                                                                                                          brownii A. Powell Present in the Texas flora and known locally as: Longleaf f. (Texas Distribution by vegetation zone) Synonymy: Flaveria oppositifolia auct. non (DC.) Rydb.

                                                                                                                                                                                                                                                                                                                          campestris J.R. Johnston Present in the Texas flora and known locally as: Alkali f. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                          chlorifolia Gray Present in the Texas flora and known locally as: Clasping f. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                          floridana J.R. Johnston

                                                                                                                                                                                                                                                                                                                          linearis Lag. Synonymy: Flaveria X latifolia (J.R. Johnston) Long & Rhamstine , Flaveria latifolia (J.R. Johnston) Rydb.

                                                                                                                                                                                                                                                                                                                          macdougalii Theroux, Pinkava & Keil

                                                                                                                                                                                                                                                                                                                          trinervia (Spreng.) C. Mohr Present in the Texas flora and known locally as: Cluster f. (Texas Distribution by vegetation zone) Synonymy: Oedera trinervia Spreng.

                                                                                                                                                                                                                                                                                                                          Florestina Cass. - FLORESTINA

                                                                                                                                                                                                                                                                                                                            tripteris DC. Present in the Texas flora and known locally as: Sticky palafaxia (Texas Distribution by vegetation zone) Synonymy: Palafoxia tripteris (DC.) Shinners , Palafoxia tripteris var. brevis Shinners

                                                                                                                                                                                                                                                                                                                            Flourensia DC. - TARWORT

                                                                                                                                                                                                                                                                                                                              cernua DC. Present in the Texas flora and known locally as: Tarbush, blackbrush, hojase (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                              pringlei (Gray) Blake Synonymy: Helianthella pringlei Gray

                                                                                                                                                                                                                                                                                                                              Flyriella King & H.E. Robins. - CHISOS MOUNTAIN-BRICKELLBUSH

                                                                                                                                                                                                                                                                                                                                parryi (Gray) King & H.E. Robins. Present in the Texas flora (treated as Brickellia shineri Flyr. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Brickellia shineri M.E. Jones ex Flyr , Eupatorium parryi Gray

                                                                                                                                                                                                                                                                                                                                Gaillardia Foug. - BLANKET-FLOWER

                                                                                                                                                                                                                                                                                                                                  aestivalis (Walt.) H. Rock

                                                                                                                                                                                                                                                                                                                                    var. aestivalis Present in the Texas flora and known locally as: Lanceleaf gaillardia, prairie gaillardia (Texas Distribution by vegetation zone) Synonymy: Gaillardia chrysantha Small , Gaillardia fastigiata Greene , Gaillardia lanceolata Michx. , Gaillardia lanceolata var. fastigiata (Greene) Waterfall , Gaillardia rigida Small ex Rydb. , Gaillardia serotina (Walt.) H. Rock

                                                                                                                                                                                                                                                                                                                                    var. flavovirens (C. Mohr) Cronq. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Gaillardia lanceolata var. flavovirens C. Mohr , Gaillardia lutea Greene

                                                                                                                                                                                                                                                                                                                                    var. winkleri (Cory) B.L. Turner Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Gaillardia lutea var. winkleri Cory

                                                                                                                                                                                                                                                                                                                                  amblyodon J. Gay Present in the Texas flora and known locally as: Maroon gaillardia (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                  aristata Pursh

                                                                                                                                                                                                                                                                                                                                  arizonica Gray

                                                                                                                                                                                                                                                                                                                                    var. arizonica

                                                                                                                                                                                                                                                                                                                                    var. pringlei (Rydb.) Blake Synonymy: Gaillardia pringlei Rydb.

                                                                                                                                                                                                                                                                                                                                  coahuilensis B.L. Turner Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Gaillardia mexicana auct. non Gray

                                                                                                                                                                                                                                                                                                                                  flava Rydb.

                                                                                                                                                                                                                                                                                                                                  multiceps Greene

                                                                                                                                                                                                                                                                                                                                    var. microcephala B.L. Turner Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                    var. multiceps

                                                                                                                                                                                                                                                                                                                                  parryi Greene

                                                                                                                                                                                                                                                                                                                                  pinnatifida Torr. Present in the Texas flora and known locally as: Slender gaillardia (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                    var. linearis (Rydb.) Biddulph

                                                                                                                                                                                                                                                                                                                                    var. pinnatifida Synonymy: Gaillardia gracilis A. Nels. , Gaillardia mearnsii Rydb.

                                                                                                                                                                                                                                                                                                                                  pulchella Foug.

                                                                                                                                                                                                                                                                                                                                    var. australis Turner & M.A. Whalen Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                    var. picta (Sweet) Gray Synonymy: Gaillardia picta Sweet

                                                                                                                                                                                                                                                                                                                                    var. pulchella Present in the Texas flora and known locally as: Rose ring gaillardia, Indian blanket, firewheel (Texas Distribution by vegetation zone) Synonymy: Gaillardia drummondii (Hook.) DC. , Gaillardia neomexicana A. Nels. , Gaillardia villosa Rydb.

                                                                                                                                                                                                                                                                                                                                  spathulata Gray

                                                                                                                                                                                                                                                                                                                                  suavis (Gray & Engelm.) Britt. & Rusby Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Agassizia suavis Gray & Engelm. , Gaillardia trinervata Small

                                                                                                                                                                                                                                                                                                                                  Galinsoga Ruiz & PavĒn - GALLANT-SOLDIER

                                                                                                                                                                                                                                                                                                                                    parviflora Cav. Present in the Texas flora and known locally as: Quickweed (Texas Distribution by vegetation zone) Synonymy: Galinsoga parviflora var. semicalva Gray , Galinsoga semicalva (Gray) St. John & White , Galinsoga semicalva var. percalva Blake

                                                                                                                                                                                                                                                                                                                                    quadriradiata Ruiz & PavĒn Synonymy: Galinsoga aristulata Bickn. , Galinsoga bicolorata St. John & White , Galinsoga caracasana (DC.) Schultz-Bip. , Galinsoga ciliata (Raf.) Blake

                                                                                                                                                                                                                                                                                                                                    Gamochaeta Weddell - EVERLASTING

                                                                                                                                                                                                                                                                                                                                      americana (P. Mill.) Weddell Synonymy: Gamochaeta spicata (Lam.) Cabrera , Gnaphalium americanum P. Mill. , Gnaphalium purpureum var. americanum (P. Mill.) Klatt , Gnaphalium spicatum Lam.

                                                                                                                                                                                                                                                                                                                                      falcata (Lam.) Cabrera Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Gamochaeta calviceps (Fern.) Cabrera , Gnaphalium calviceps Fern. , Gnaphalium falcatum Lam. , Gnaphalium purpureum var. falcatum (Lam.) Torr. & Gray

                                                                                                                                                                                                                                                                                                                                      pensylvanica (Willd.) Cabrera Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Gnaphalium pensylvanicum Willd. , Gnaphalium peregrinum Fern. , Gnaphalium purpureum var. spathulatum (Lam.) Baker , Gnaphalium spathulatum Lam.

                                                                                                                                                                                                                                                                                                                                      purpurea (L.) Cabrera Present in the Texas flora and known locally as: Purple c. (Texas Distribution by vegetation zone) Synonymy: Gnaphalium purpureum L.

                                                                                                                                                                                                                                                                                                                                      sphacilata (Kunth) Cabrera Synonymy: Gnaphalium sphacilatum Kunth

                                                                                                                                                                                                                                                                                                                                      ustulata (Nutt.) Nesom Synonymy: Gnaphalium purpureum var. ustulatum (Nutt.) Boivin , Gnaphalium ustulatum Nutt.

                                                                                                                                                                                                                                                                                                                                      Garberia Gray - GARBERIA

                                                                                                                                                                                                                                                                                                                                        heterophylla (Bartr.) Merr. & F. Harper Synonymy: Garberia fruticosa (Nutt.) Gray

                                                                                                                                                                                                                                                                                                                                        Gazania Gaertn. - TREASURE-FLOWER

                                                                                                                                                                                                                                                                                                                                          linearis (Thunb.) Druce Synonymy: Gazania longiscapa DC. , Gorteria linearis Thunb.

                                                                                                                                                                                                                                                                                                                                          Geraea Torr. & Gray - DESERT-SUNFLOWER

                                                                                                                                                                                                                                                                                                                                            canescens Torr. & Gray

                                                                                                                                                                                                                                                                                                                                              var. canescens

                                                                                                                                                                                                                                                                                                                                              var. paniculata (Gray) Blake

                                                                                                                                                                                                                                                                                                                                            viscida (Gray) Blake

                                                                                                                                                                                                                                                                                                                                            Glyptopleura D.C. Eat. - CARVESEED AND HOLY-DANDELION

                                                                                                                                                                                                                                                                                                                                              marginata D.C. Eat.

                                                                                                                                                                                                                                                                                                                                              setulosa Gray

                                                                                                                                                                                                                                                                                                                                              Gnaphalium L. - CUDWEED

                                                                                                                                                                                                                                                                                                                                                exilifolium A. Nels. Synonymy: Gnaphalium grayi A. Nels. & J.F. Macbr.

                                                                                                                                                                                                                                                                                                                                                palustre Nutt. Synonymy: Filaginella palustris (Nutt.) Holub

                                                                                                                                                                                                                                                                                                                                                polycaulon Pers. Synonymy: Gnaphalium indicum auct. non L.

                                                                                                                                                                                                                                                                                                                                                uliginosum L. Synonymy: Filaginella uliginosa (L.) Opiz

                                                                                                                                                                                                                                                                                                                                                Gochnatia Kunth - SHRUBBY-BULL'S-EYE

                                                                                                                                                                                                                                                                                                                                                  hypoleuca (DC.) Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                  Grindelia Willd. - GUMWEED

                                                                                                                                                                                                                                                                                                                                                    acutifolia Steyermark

                                                                                                                                                                                                                                                                                                                                                    adenodonta (Steyermark) Nesom Present in the Texas flora (treated as Grindelia microcephala DC. var. adenodonta Steyerm. by Hatch et al, 1990) and known locally as: Glandtooth gumweed (Texas Distribution by vegetation zone) Synonymy: Grindelia microcephala var. adenodonta Steyermark

                                                                                                                                                                                                                                                                                                                                                    arizonica Gray

                                                                                                                                                                                                                                                                                                                                                      var. arizonica Synonymy: Grindelia arizonica var. dentata Steyermark , Grindelia arizonica var. microphylla Steyermark

                                                                                                                                                                                                                                                                                                                                                      var. neomexicana (Woot. & Standl.) Nesom Synonymy: Grindelia neomexicana Woot. & Standl. , Grindelia scabra var. neomexicana (Woot. & Standl.) Steyermark

                                                                                                                                                                                                                                                                                                                                                      var. stenophylla Steyermark

                                                                                                                                                                                                                                                                                                                                                    camporum Greene

                                                                                                                                                                                                                                                                                                                                                      var. bracteosa (J.T. Howell) M.A. Lane Synonymy: Grindelia robusta var. bracteosa (J.T. Howell) Keck

                                                                                                                                                                                                                                                                                                                                                      var. camporum Synonymy: Grindelia camporum var. parviflora Steyermark , Grindelia paludosa Greene , Grindelia procera Greene , Grindelia robusta Nutt. p.p.

                                                                                                                                                                                                                                                                                                                                                    columbiana (Piper) Rydb. Synonymy: Grindelia nana ssp. columbiana Piper

                                                                                                                                                                                                                                                                                                                                                    decumbens Greene

                                                                                                                                                                                                                                                                                                                                                      var. decumbens

                                                                                                                                                                                                                                                                                                                                                      var. subincisa (Greene) Steyermark

                                                                                                                                                                                                                                                                                                                                                    fastigiata Greene

                                                                                                                                                                                                                                                                                                                                                    fraxinopratensis Reveal & Beatley Listed by the U.S. FWS as threatened - the FWS local name is Ash Meadows gumplant and the FWS range is: U.S.A. (CA, NV). Slight spelling change required for match to BONAP standard.

                                                                                                                                                                                                                                                                                                                                                    grandiflora Hook. Present in the Texas flora and known locally as: Manyray gumweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                    havardii Steyermark Present in the Texas flora and known locally as: Havard gumweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                    hirsutula Hook. & Arn.

                                                                                                                                                                                                                                                                                                                                                      var. davyi (Jepson) M.A. Lane

                                                                                                                                                                                                                                                                                                                                                      var. hallii (Steyermark ex Rothrock) M.A. Lane Synonymy: Grindelia hallii Steyermark ex Rothrock

                                                                                                                                                                                                                                                                                                                                                      var. hirsutula Synonymy: Grindelia hirsutula ssp. rubricaulis (DC.) Keck , Grindelia humilis Hook. & Arn.

                                                                                                                                                                                                                                                                                                                                                      var. maritima (Greene) M.A. Lane Synonymy: Grindelia maritima (Greene) Steyermark

                                                                                                                                                                                                                                                                                                                                                    howellii Steyermark

                                                                                                                                                                                                                                                                                                                                                    inornata Greene

                                                                                                                                                                                                                                                                                                                                                      var. angusta Steyermark

                                                                                                                                                                                                                                                                                                                                                      var. inornata

                                                                                                                                                                                                                                                                                                                                                    integrifolia DC.

                                                                                                                                                                                                                                                                                                                                                    laciniata Rydb.

                                                                                                                                                                                                                                                                                                                                                    lanceolata Nutt. Present in the Texas flora and known locally as: Gulf gumweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                      var. lanceolata Synonymy: Grindelia littoralis Steyermark , Grindelia texana var. lanceolata (Nutt.) Shinners

                                                                                                                                                                                                                                                                                                                                                      var. texana (Scheele) Shinners Synonymy: Grindelia texana Scheele

                                                                                                                                                                                                                                                                                                                                                    microcephala DC. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                    nana Nutt.

                                                                                                                                                                                                                                                                                                                                                      var. integerrima (Rydb.) Steyermark

                                                                                                                                                                                                                                                                                                                                                      var. nana Synonymy: Grindelia nana var. integrifolia Nutt. , Grindelia squarrosa var. integrifolia (Nutt.) Boivin

                                                                                                                                                                                                                                                                                                                                                    nuda Wood

                                                                                                                                                                                                                                                                                                                                                      var. aphanactis (Rydb.) Nesom Present in the Texas flora (treated as Grindelia aphanactis Rydb. by Hatch et al, 1990) and known locally as: Mountain gumweed (Texas Distribution by vegetation zone) Synonymy: Grindelia aphanactis Rydb.

                                                                                                                                                                                                                                                                                                                                                      var. nuda Present in the Texas flora (treated as Grindelia squarrosa (Pursh) Dun. var. nuda (Wood) Gray by Hatch et al, 1990) and known locally as: Rayless gumweed (Texas Distribution by vegetation zone) Synonymy: Grindelia squarrosa var. nuda (Wood) Gray

                                                                                                                                                                                                                                                                                                                                                    oolepis Blake Present in the Texas flora and known locally as: Plains gumweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                    oxylepis Greene

                                                                                                                                                                                                                                                                                                                                                    papposa Nesom & Suh Present in the Texas flora (treated as Prionopsis ciliata (Nutt.) Nutt. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Haplopappus ciliatus (Nutt.) DC. , Prionopsis ciliata (Nutt.) Nutt.

                                                                                                                                                                                                                                                                                                                                                    pusilla (Steyermark) Nesom Present in the Texas flora (treated as Grindelia microcephala DC. var. pusilla Steyerm. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Grindelia microcephala var. pusilla Steyermark

                                                                                                                                                                                                                                                                                                                                                    revoluta Steyermark

                                                                                                                                                                                                                                                                                                                                                    scabra Greene Present in the Texas flora and known locally as: New Mexico gumweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                    squarrosa (Pursh) Dunal Present in the Texas flora and known locally as: Curlycup gumweed, broadleaf gumplant No Texas distribution data available

                                                                                                                                                                                                                                                                                                                                                      var. quasiperennis Lunell Synonymy: Grindelia perennis A. Nels.

                                                                                                                                                                                                                                                                                                                                                      var. serrulata (Rydb.) Steyermark Synonymy: Grindelia serrulata Rydb.

                                                                                                                                                                                                                                                                                                                                                      var. squarrosa Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                    stricta DC.

                                                                                                                                                                                                                                                                                                                                                      var. angustifolia (Gray) M.A. Lane Synonymy: Grindelia robusta var. angustifolia Gray

                                                                                                                                                                                                                                                                                                                                                      var. platyphylla (Greene) M.A. Lane Synonymy: Grindelia latifolia Kellogg p.p. , Grindelia latifolia ssp. platyphylla (Greene) Keck , Grindelia latifolia var. platyphylla Greene , Grindelia stricta ssp. venulosa (Jepson) Keck

                                                                                                                                                                                                                                                                                                                                                      var. stricta Synonymy: Grindelia arenicola Steyermark , Grindelia integrifolia var. macrophylla (Greene) Cronq. , Grindelia stricta ssp. blakei (Steyermark) Keck

                                                                                                                                                                                                                                                                                                                                                    subalpina Greene

                                                                                                                                                                                                                                                                                                                                                      var. erecta (A. Nels.) Steyermark

                                                                                                                                                                                                                                                                                                                                                      var. subalpina

                                                                                                                                                                                                                                                                                                                                                    Guardiola Cerv. ex Humb. & Bonpl. - APACHE-PLANT

                                                                                                                                                                                                                                                                                                                                                      platyphylla Gray

                                                                                                                                                                                                                                                                                                                                                      Guizotia Cass. - RAMTILLA

                                                                                                                                                                                                                                                                                                                                                        abyssinica (L. f.) Cass.

                                                                                                                                                                                                                                                                                                                                                        Gundlachia Gray - YAMBUSH

                                                                                                                                                                                                                                                                                                                                                          corymbosa (Urban) Britt. ex Boldingh

                                                                                                                                                                                                                                                                                                                                                          Gutierrezia Lag. - SNAKEWEED

                                                                                                                                                                                                                                                                                                                                                            arizonica (Gray) M.A. Lane Synonymy: Greenella arizonica Gray , Xanthocephalum arizonicum (Gray) Shinners

                                                                                                                                                                                                                                                                                                                                                            californica (DC.) Torr. & Gray Synonymy: Gutierrezia bracteata Abrams

                                                                                                                                                                                                                                                                                                                                                            microcephala (DC.) Gray Present in the Texas flora and known locally as: Threadleaf snakeweed (Texas Distribution by vegetation zone) Synonymy: Brachyris microcephala DC. , Gutierrezia glomerella Greene , Gutierrezia lucida (Greene) Greene , Gutierrezia sarothrae var. microcephala (DC.) L. Benson , Xanthocephalum lucidum Greene , Xanthocephalum microcephalum (DC.) Shinners

                                                                                                                                                                                                                                                                                                                                                            petradoria (Welsh & Goodrich) Welsh Synonymy: Xanthocephalum petradoria Welsh & Goodrich

                                                                                                                                                                                                                                                                                                                                                            sarothrae (Pursh) Britt. & Rusby Present in the Texas flora and known locally as: Broom snakeweed, perennial broomweed (Texas Distribution by vegetation zone) Synonymy: Gutierrezia diversifolia Greene , Gutierrezia lepidota Greene , Gutierrezia linearifolia Lag. , Gutierrezia linearis Rydb. , Gutierrezia linoides Greene , Gutierrezia longipappa Blake , Gutierrezia pomariensis (Welsh) Welsh , Gutierrezia sarothrae var. pomariensis Welsh , Gutierrezia tenuis Greene , Solidago sarothrae Pursh , Xanthocephalum sarothrae (Pursh) Shinners , Xanthocephalum sarothrae var. pomariense (Welsh) Welsh , Xanthocephalum tenue (Greene) Shinners

                                                                                                                                                                                                                                                                                                                                                            serotina Greene Synonymy: Gutierrezia polyantha A. Nels.

                                                                                                                                                                                                                                                                                                                                                            sphaerocephala Gray Present in the Texas flora and known locally as: Roundleaf (Texas Distribution by vegetation zone) Synonymy: Gutierrezia eriocarpa Gray , Xanthocephalum sphaerocephalum (Gray) Shinners , Xanthocephalum sphaerocephalum var. eriocarpum (Gray) Shinners

                                                                                                                                                                                                                                                                                                                                                            texana (DC.) Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                              var. glutinosa (S. Schauer) M.A. Lane Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Gutierrezia glutinosa (S. Schauer) Schultz-Bip. , Hemiachyris glutinosa S. Schauer

                                                                                                                                                                                                                                                                                                                                                              var. texana Present in the Texas flora and known locally as: Texas broomweed (Texas Distribution by vegetation zone) Synonymy: Hemiachyris texana DC. , Xanthocephalum texanum (DC.) Shinners

                                                                                                                                                                                                                                                                                                                                                            wrightii Gray Synonymy: Greenella discoidea Gray , Xanthocephalum wrightii (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                            Gymnosperma Less. - GUMHEAD

                                                                                                                                                                                                                                                                                                                                                              glutinosum (Spreng.) Less. Present in the Texas flora and known locally as: Tatalencho (Texas Distribution by vegetation zone) Synonymy: Selloa glutinosa Spreng. , Xanthocephalum glutinosum (Spreng.) Shinners

                                                                                                                                                                                                                                                                                                                                                              Gymnostyles Juss. - BUTTON-BURRWEED

                                                                                                                                                                                                                                                                                                                                                                anthemifolia Juss. Synonymy: Soliva anthemifolia (Juss.) R. Br. ex Less.

                                                                                                                                                                                                                                                                                                                                                                stolonifera (Brot.) Tutin Present in the Texas flora and known locally as: Carpet burweed (Texas Distribution by vegetation zone) Synonymy: Gymnostyles nasturtiifolia auct. non Juss. , Soliva nasturtiifolia auct. non (Juss.) DC. , Soliva stolonifera (Brot.) Loud.

                                                                                                                                                                                                                                                                                                                                                                Gynura Cass. - VELVETPLANT

                                                                                                                                                                                                                                                                                                                                                                  aurantiaca (Blume) DC.

                                                                                                                                                                                                                                                                                                                                                                  Haploesthes Gray - FALSE BROOMWEED

                                                                                                                                                                                                                                                                                                                                                                    greggii Gray

                                                                                                                                                                                                                                                                                                                                                                      var. texana (Coult.) I.M. Johnston Present in the Texas flora and known locally as: False-broomweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                    Hartwrightia Gray ex S. Wats. - HARTWRIGHTIA

                                                                                                                                                                                                                                                                                                                                                                      floridana Gray ex S. Wats.

                                                                                                                                                                                                                                                                                                                                                                      Hasteola Raf.

                                                                                                                                                                                                                                                                                                                                                                        robertiorum L.C. Anders.

                                                                                                                                                                                                                                                                                                                                                                        suaveolens (L.) Pojark. Synonymy: Cacalia suaveolens L. , Synosma suaveolens (L.) Raf. ex Britt.

                                                                                                                                                                                                                                                                                                                                                                        Hazardia Greene - BRISTLEWEED

                                                                                                                                                                                                                                                                                                                                                                          brickellioides (Blake) W.D. Clark Synonymy: Haplopappus brickellioides Blake

                                                                                                                                                                                                                                                                                                                                                                          cana (Gray) Greene Synonymy: Haplopappus canus (Gray) Blake

                                                                                                                                                                                                                                                                                                                                                                          detonsa (Greene) Greene Synonymy: Haplopappus detonsus (Greene) Raven

                                                                                                                                                                                                                                                                                                                                                                          orcuttii (Gray) Greene

                                                                                                                                                                                                                                                                                                                                                                          squarrosa (Hook. & Arn.) Greene

                                                                                                                                                                                                                                                                                                                                                                            var. grindelioides (DC.) W.D. Clark Synonymy: Haplopappus squarrosus ssp. grindelioides (DC.) Keck

                                                                                                                                                                                                                                                                                                                                                                            var. obtusa (Greene) Jepson Synonymy: Haplopappus squarrosus ssp. obtusus (Greene) Hall

                                                                                                                                                                                                                                                                                                                                                                            var. squarrosa Synonymy: Haplopappus squarrosus Hook. & Arn.

                                                                                                                                                                                                                                                                                                                                                                          stenolepis (Hall) Hoover Synonymy: Haplopappus squarrosus ssp. stenolepis Hall

                                                                                                                                                                                                                                                                                                                                                                          whitneyi (Gray) Greene

                                                                                                                                                                                                                                                                                                                                                                            var. discoidea (J.T. Howell) W.D. Clark Synonymy: Haplopappus whitneyi ssp. discoideus (J.T. Howell) Keck

                                                                                                                                                                                                                                                                                                                                                                            var. whitneyi Synonymy: Haplopappus whitneyi Gray

                                                                                                                                                                                                                                                                                                                                                                          Hecastocleis Gray - PRICKLELEAF

                                                                                                                                                                                                                                                                                                                                                                            shockleyi Gray

                                                                                                                                                                                                                                                                                                                                                                            Hedypnois P. Mill. - CRETANWEED

                                                                                                                                                                                                                                                                                                                                                                              cretica (L.) Dum.-Cours. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                              Helenium L. - SNEEZEWEED

                                                                                                                                                                                                                                                                                                                                                                                amarum (Raf.) H. Rock

                                                                                                                                                                                                                                                                                                                                                                                  var. amarum Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Helenium tenuifolium Nutt.

                                                                                                                                                                                                                                                                                                                                                                                  var. badium (Gray ex S. Wats.) Waterfall Present in the Texas flora and known locally as: Basin sneezeweed (Texas Distribution by vegetation zone) Synonymy: Helenium badium (Gray ex S. Wats.) Greene

                                                                                                                                                                                                                                                                                                                                                                                arizonicum Blake

                                                                                                                                                                                                                                                                                                                                                                                autumnale L. Present in the Texas flora and known locally as: Common sneezeweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                  var. autumnale Synonymy: Helenium autumnale var. canaliculatum (Lam.) Torr. & Gray , Helenium canaliculatum Lam. , Helenium latifolium P. Mill.

                                                                                                                                                                                                                                                                                                                                                                                  var. fylesii Boivin

                                                                                                                                                                                                                                                                                                                                                                                  var. grandiflorum (Nutt.) Torr. & Gray Synonymy: Helenium macranthum Rydb.

                                                                                                                                                                                                                                                                                                                                                                                  var. montanum (Nutt.) Fern. Synonymy: Helenium montanum Nutt.

                                                                                                                                                                                                                                                                                                                                                                                  var. parviflorum (Nutt.) Fern. Synonymy: Helenium parviflorum Nutt.

                                                                                                                                                                                                                                                                                                                                                                                bigelovii Gray Synonymy: Helenium rivulare (Greene) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                bolanderi Gray Synonymy: Dugaldia grandiflora Rydb. , Helenium bigelovii var. festivum Jepson

                                                                                                                                                                                                                                                                                                                                                                                brevifolium (Nutt.) Wood Synonymy: Helenium curtisii Gray

                                                                                                                                                                                                                                                                                                                                                                                campestre Small

                                                                                                                                                                                                                                                                                                                                                                                drummondii H. Rock Present in the Texas flora and known locally as: Fringed sneezeweed (Texas Distribution by vegetation zone) Synonymy: Helenium fimbriatum auct. non (Michx.) Gray , Leptopoda fimbriata Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                elegans DC.

                                                                                                                                                                                                                                                                                                                                                                                  var. amphilobum (Gray) Bierner Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Helenium amphilobum Gray

                                                                                                                                                                                                                                                                                                                                                                                  var. elegans Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                flexuosum Raf. Present in the Texas flora and known locally as: Purplehead sneezeweed (Texas Distribution by vegetation zone) Synonymy: Helenium floridanum Fern. , Helenium godfreyi Fern. , Helenium nudiflorum Nutt.

                                                                                                                                                                                                                                                                                                                                                                                linifolium Rydb. Present in the Texas flora and known locally as: Slimleaf sneezeweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                microcephalum DC. Present in the Texas flora and known locally as: Smallhead sneezeweed, sneezeweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                  var. microcephalum

                                                                                                                                                                                                                                                                                                                                                                                  var. ooclinium (Gray) Bierner Synonymy: Helenium ooclinium Gray

                                                                                                                                                                                                                                                                                                                                                                                pinnatifidum (Nutt.) Rydb. Synonymy: Helenium incisum (Torr. & Gray) Wood , Helenium vernale auct. non Walt.

                                                                                                                                                                                                                                                                                                                                                                                X polyphyllum Small (pro sp.) [autumnale X flexuosum]

                                                                                                                                                                                                                                                                                                                                                                                puberulum DC. Synonymy: Helenium decurrens (Less.) Vatke, non Moench

                                                                                                                                                                                                                                                                                                                                                                                quadridentatum Labill. Present in the Texas flora and known locally as: Longdisk sneezeweed, rosilla (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                thurberi Gray

                                                                                                                                                                                                                                                                                                                                                                                vernale Walt. Synonymy: Helenium helenium (Nutt.) Small , Helenium nuttallii Gray

                                                                                                                                                                                                                                                                                                                                                                                virginicum Blake

                                                                                                                                                                                                                                                                                                                                                                                Helianthella Torr. & Gray - DWARF-SUNFLOWER

                                                                                                                                                                                                                                                                                                                                                                                  californica Gray

                                                                                                                                                                                                                                                                                                                                                                                    var. californica

                                                                                                                                                                                                                                                                                                                                                                                    var. nevadensis (Greene) Jepson

                                                                                                                                                                                                                                                                                                                                                                                    var. shastensis W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                  castanea Greene

                                                                                                                                                                                                                                                                                                                                                                                  microcephala (Gray) Gray Synonymy: Encelia microcephala Gray

                                                                                                                                                                                                                                                                                                                                                                                  parryi Gray

                                                                                                                                                                                                                                                                                                                                                                                  quinquenervis (Hook.) Gray Synonymy: Helianthus quinquenervis Hook.

                                                                                                                                                                                                                                                                                                                                                                                  uniflora (Nutt.) Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                    var. douglasii (Torr. & Gray) W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                    var. uniflora Synonymy: Helianthus uniflorus Nutt.

                                                                                                                                                                                                                                                                                                                                                                                  Helianthus L. - SUNFLOWER

                                                                                                                                                                                                                                                                                                                                                                                    agrestis Pollard

                                                                                                                                                                                                                                                                                                                                                                                    X alexidis Boivin [maximiliani X nuttallii]

                                                                                                                                                                                                                                                                                                                                                                                    X ambiguus (Gray) Britt. (pro sp.) [divaricatus X giganteus]

                                                                                                                                                                                                                                                                                                                                                                                    angustifolius L. Present in the Texas flora and known locally as: Swamp sunflower (Texas Distribution by vegetation zone) Synonymy: Helianthus angustifolius var. planifolius Fern.

                                                                                                                                                                                                                                                                                                                                                                                    annuus L. Present in the Texas flora and known locally as: Common sunflower, mirasol (Texas Distribution by vegetation zone) Synonymy: Helianthus annuus ssp. jaegeri (Heiser) Heiser , Helianthus annuus ssp. lenticularis (Dougl. ex Lindl.) Cockerell , Helianthus annuus ssp. texanus Heiser , Helianthus annuus var. lenticularis (Dougl. ex Lindl.) Steyermark , Helianthus annuus var. macrocarpus (DC.) Cockerell , Helianthus annuus var. texanus (Heiser) Shinners , Helianthus aridus Rydb. , Helianthus lenticularis Dougl. ex Lindl.

                                                                                                                                                                                                                                                                                                                                                                                    anomalus Blake Synonymy: Helianthus deserticola Heiser

                                                                                                                                                                                                                                                                                                                                                                                    argophyllus Torr. & Gray Present in the Texas flora and known locally as: Silverleaf sunflower (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                    arizonensis R.C. Jackson

                                                                                                                                                                                                                                                                                                                                                                                    atrorubens L. Synonymy: Helianthus atrorubens var. alsodes Fern.

                                                                                                                                                                                                                                                                                                                                                                                    bolanderi Gray Synonymy: Helianthus exilis Gray

                                                                                                                                                                                                                                                                                                                                                                                    X brevifolius E.E. Wats. (pro sp.) [grosseserratus X mollis]

                                                                                                                                                                                                                                                                                                                                                                                    californicus DC.

                                                                                                                                                                                                                                                                                                                                                                                    carnosus Small

                                                                                                                                                                                                                                                                                                                                                                                    ciliaris DC. Present in the Texas flora and known locally as: Blueweed sunflower, blueweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                    X cinereus Torr. & Gray (pro sp.) [mollis X occidentalis] Synonymy: Helianthus cinereus var. sullivantii Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                    couplandii Boivin

                                                                                                                                                                                                                                                                                                                                                                                    cusickii Gray

                                                                                                                                                                                                                                                                                                                                                                                    debilis Nutt.

                                                                                                                                                                                                                                                                                                                                                                                      ssp. cucumerifolius (Torr. & Gray) Heiser Present in the Texas flora and known locally as: Cucumber leaf sunflower (Texas Distribution by vegetation zone) Synonymy: Helianthus cucumerifolius Torr. & Gray , Helianthus debilis var. cucumerifolius (Torr. & Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                      ssp. debilis

                                                                                                                                                                                                                                                                                                                                                                                      ssp. silvestris Heiser Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Helianthus debilis var. silvestris (Heiser) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                      ssp. tardiflorus Heiser Synonymy: Helianthus debilis var. tardiflorus (Heiser) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                      ssp. vestitus (E.E. Wats.) Heiser Synonymy: Helianthus debilis var. vestitus (E.E. Wats.) Cronq. , Helianthus vestitus E.E. Wats.

                                                                                                                                                                                                                                                                                                                                                                                    decapetalus L. Synonymy: Helianthus scrophulariifolius Britt. , Helianthus tracheliifolius P. Mill.

                                                                                                                                                                                                                                                                                                                                                                                    divaricatus L. Synonymy: Helianthus divaricatus var. angustifolius Kuntze

                                                                                                                                                                                                                                                                                                                                                                                    X divariserratus R.W. Long [divaricatus X grosseserratus]

                                                                                                                                                                                                                                                                                                                                                                                    X doronicoides Lam. (pro sp.) [giganteus X mollis] Synonymy: Helianthus pilosus Tausch

                                                                                                                                                                                                                                                                                                                                                                                    eggertii Small

                                                                                                                                                                                                                                                                                                                                                                                    floridanus Gray ex Chapman

                                                                                                                                                                                                                                                                                                                                                                                    giganteus L. Synonymy: Helianthus alienus E.E. Wats. , Helianthus borealis E.E. Wats. , Helianthus giganteus ssp. alienus (E.E. Wats.) R.W. Long , Helianthus giganteus var. subtuberosus Britt. , Helianthus nuttallii var. subtuberosus (Britt.) Boivin , Helianthus subtuberosus (Britt.) Britt. , Helianthus validus E.E. Wats.

                                                                                                                                                                                                                                                                                                                                                                                    glaucophyllus D.M. Sm.

                                                                                                                                                                                                                                                                                                                                                                                    X glaucus Small (pro sp.) [divaricatus X microcephalus]

                                                                                                                                                                                                                                                                                                                                                                                    gracilentus Gray

                                                                                                                                                                                                                                                                                                                                                                                    grosseserratus Martens Present in the Texas flora and known locally as: Sawtooth sunflower (Texas Distribution by vegetation zone) Synonymy: Helianthus grosseserratus ssp. maximus R.W. Long , Helianthus grosseserratus var. hypoleucus Gray , Helianthus instabilis E.E. Wats.

                                                                                                                                                                                                                                                                                                                                                                                    heterophyllus Nutt.

                                                                                                                                                                                                                                                                                                                                                                                    hirsutus Raf. Present in the Texas flora and known locally as: Hairy sunflower, stiffhaired sunflower (Texas Distribution by vegetation zone) Synonymy: Helianthus hirsutus var. stenophyllus Torr. & Gray , Helianthus hirsutus var. trachyphyllus Torr. & Gray , Helianthus stenophyllus (Torr. & Gray) E.E. Wats.

                                                                                                                                                                                                                                                                                                                                                                                    X intermedius R.W. Long [grosseserratus X maximiliani]

                                                                                                                                                                                                                                                                                                                                                                                    X kellermanii Britt. (pro sp.) [grosseserratus X salicifolius]

                                                                                                                                                                                                                                                                                                                                                                                    laciniatus Gray Synonymy: Helianthus crenatus R.C. Jackson , Helianthus heiseri R.C. Jackson

                                                                                                                                                                                                                                                                                                                                                                                    X laetiflorus Pers. (pro sp.) [pauciflorus X tuberosus] Synonymy: Helianthus scaberrimus Ell.

                                                                                                                                                                                                                                                                                                                                                                                    laevigatus Torr. & Gray Synonymy: Helianthus reindutus (Steele) E.E. Wats.

                                                                                                                                                                                                                                                                                                                                                                                    longifolius Pursh

                                                                                                                                                                                                                                                                                                                                                                                    X luxurians E.E. Wats. (pro sp.) [giganteus X grosseserratus]

                                                                                                                                                                                                                                                                                                                                                                                    maximiliani Schrad. Present in the Texas flora and known locally as: Maximilian sunflower, Michaelmas daisy (Texas Distribution by vegetation zone) Synonymy: Helianthus dalyi Britt.

                                                                                                                                                                                                                                                                                                                                                                                    microcephalus Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                    mollis Lam. Present in the Texas flora and known locally as: Ashy sunflower, hairy sunflower (Texas Distribution by vegetation zone) Synonymy: Helianthus mollis var. cordatus S. Wats.

                                                                                                                                                                                                                                                                                                                                                                                    X multiflorus L. (pro sp.) [annuus X decapetalus]

                                                                                                                                                                                                                                                                                                                                                                                    neglectus Heiser Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                    niveus (Benth.) Brandeg.

                                                                                                                                                                                                                                                                                                                                                                                      ssp. canescens (Gray) Heiser Synonymy: Helianthus canescens (Gray) S. Wats. , Helianthus canus (Britt.) Woot. & Standl. , Helianthus petiolaris var. canescens Gray

                                                                                                                                                                                                                                                                                                                                                                                      ssp. tephrodes (Gray) Heiser Synonymy: Helianthus tephrodes Gray

                                                                                                                                                                                                                                                                                                                                                                                    nuttallii Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                      ssp. nuttallii Synonymy: Helianthus fascicularis Greene , Helianthus nuttallii ssp. canadensis R.W. Long , Helianthus nuttallii ssp. coloradensis (Cockerell) R.W. Long

                                                                                                                                                                                                                                                                                                                                                                                      ssp. parishii (Gray) Heiser Synonymy: Helianthus parishii Gray

                                                                                                                                                                                                                                                                                                                                                                                      ssp. rydbergii (Britt.) R.W. Long Synonymy: Helianthus nuttallii var. rydbergii (Britt.) Boivin , Helianthus rydbergii Britt.

                                                                                                                                                                                                                                                                                                                                                                                    occidentalis Riddell Present in the Texas flora and known locally as: Plantainleaf sunflower (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                      ssp. occidentalis Synonymy: Helianthus dowellianus M.A. Curtis , Helianthus occidentalis var. dowellianus (M.A. Curtis) Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                      ssp. plantagineus (Torr. & Gray) Shinners Synonymy: Helianthus occidentalis var. plantagineus Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                    X orgyaloides Cockerell (pro sp.) [maximiliani X salicifolius]

                                                                                                                                                                                                                                                                                                                                                                                    paradoxus Heiser Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                    pauciflorus Nutt.

                                                                                                                                                                                                                                                                                                                                                                                      ssp. pauciflorus Present in the Texas flora (treated as Helianthus rigidus (Cass.) Desf. ssp. rigidus by Hatch et al, 1990) and known locally as: Stiff sunflower (Texas Distribution by vegetation zone) Synonymy: Helianthus laetiflorus var. rigidus (Cass.) Fern. , Helianthus rigidus (Cass.) Desf.

                                                                                                                                                                                                                                                                                                                                                                                      ssp. subrhomboideus (Rydb.) O. Spring & E. Schilling Present in the Texas flora (treated as Helianthus rigidus (Cass.) Desf. ssp. laetiflorus (Rydb.) Heiser by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Helianthus laetiflorus var. subrhomboideus (Rydb.) Fern. , Helianthus pauciflorus var. subrhomboideus (Rydb.) Cronq. , Helianthus rigidus ssp. laetiflorus (Rydb.) Heiser , Helianthus rigidus ssp. subrhomboideus (Rydb.) Heiser , Helianthus rigidus var. subrhomboideus (Rydb.) Cronq. , Helianthus subrhomboideus Rydb.

                                                                                                                                                                                                                                                                                                                                                                                    petiolaris Nutt. Present in the Texas flora and known locally as: Prairie sunflower, plains sunflower (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                      ssp. fallax Heiser Synonymy: Helianthus petiolaris var. fallax (Heiser) B.L. Turner

                                                                                                                                                                                                                                                                                                                                                                                      ssp. petiolaris

                                                                                                                                                                                                                                                                                                                                                                                    porteri (Gray) Heiser Synonymy: Heliomeris porteri (Gray) Cockerell , Viguiera porteri (Gray) Blake

                                                                                                                                                                                                                                                                                                                                                                                    praecox Engelm. & Gray

                                                                                                                                                                                                                                                                                                                                                                                      ssp. hirtus (Heiser) Heiser Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Helianthus debilis ssp. hirtus Heiser

                                                                                                                                                                                                                                                                                                                                                                                      ssp. praecox Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Helianthus debilis ssp. praecox (Engelm. & Gray) Heiser

                                                                                                                                                                                                                                                                                                                                                                                      ssp. runyonii (Heiser) Heiser Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Helianthus debilis ssp. runyonii Heiser , Helianthus praecox var. runyonii (Heiser) B.L. Turner

                                                                                                                                                                                                                                                                                                                                                                                    praetermissus E.E. Wats.

                                                                                                                                                                                                                                                                                                                                                                                    pumilus Nutt.

                                                                                                                                                                                                                                                                                                                                                                                    radula (Pursh) Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                    resinosus Small Synonymy: Helianthus tomentosus auct. non Michx.

                                                                                                                                                                                                                                                                                                                                                                                    salicifolius A. Dietr. Present in the Texas flora and known locally as: Willowleaf sunflower (Texas Distribution by vegetation zone) Synonymy: Helianthus filiformis Small , Helianthus orgyalis DC.

                                                                                                                                                                                                                                                                                                                                                                                    schweinitzii Torr. & Gray Listed by the U.S. FWS as endangered, the FWS local name is Schweinitz's sunflower and the FWS range is: U.S.A. (NC, SC). Listed on May 7, 1991 (Volume 56 Federal Register 21091).

                                                                                                                                                                                                                                                                                                                                                                                    silphioides Nutt. Synonymy: Helianthus atrorubens var. pubescens Kuntze

                                                                                                                                                                                                                                                                                                                                                                                    simulans E.E. Wats. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                    smithii Heiser

                                                                                                                                                                                                                                                                                                                                                                                    strumosus L. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Helianthus montanus E.E. Wats. , Helianthus saxicola Small

                                                                                                                                                                                                                                                                                                                                                                                    tuberosus L. Present in the Texas flora and known locally as: Jerusalem-artichoke (Texas Distribution by vegetation zone) Synonymy: Helianthus tomentosus Michx. , Helianthus tuberosus var. subcanescens Gray

                                                                                                                                                                                                                                                                                                                                                                                    X verticillatus E.E. Wats. (pro sp.) [angustifolius X grosseserratus]

                                                                                                                                                                                                                                                                                                                                                                                    Helichrysum P. Mill. - STRAWFLOWER

                                                                                                                                                                                                                                                                                                                                                                                      bracteatum (Vent.) Andr. Synonymy: Xeranthemum bracteatum Vent.

                                                                                                                                                                                                                                                                                                                                                                                      foetidum (L.) Cass.

                                                                                                                                                                                                                                                                                                                                                                                      Heliomeris Nutt. - FALSE GOLDENEYE

                                                                                                                                                                                                                                                                                                                                                                                        ciliata (Robins. & Greenm.) Yates Synonymy: Gymnolomia hispida var. ciliata Robins. & Greenm. , Viguiera ciliata (Robins. & Greenm.) Blake

                                                                                                                                                                                                                                                                                                                                                                                        hispida (Gray) Cockerell Synonymy: Gymnolomia hispida (Gray) Robins. & Greenm.

                                                                                                                                                                                                                                                                                                                                                                                        longifolia (Robins. & Greenm.) Cockerell

                                                                                                                                                                                                                                                                                                                                                                                          var. annua (M.E. Jones) Yates Present in the Texas flora and known locally as: Annual golden-eye (Texas Distribution by vegetation zone) Synonymy: Heliomeris annua (M.E. Jones) Cockerell , Viguiera annua (M.E. Jones) Blake , Viguiera longifolia var. annua (M.E. Jones) Welsh

                                                                                                                                                                                                                                                                                                                                                                                          var. longifolia Present in the Texas flora and known locally as: Longleaf golden-eye (Texas Distribution by vegetation zone) Synonymy: Gymnolomia longifolia Robins. & Greenm. , Viguiera longifolia (Robins. & Greenm.) Blake

                                                                                                                                                                                                                                                                                                                                                                                        multiflora Nutt.

                                                                                                                                                                                                                                                                                                                                                                                          var. brevifolia (Greene ex Woot. & Standl.) Yates Synonymy: Viguiera ovalis Blake

                                                                                                                                                                                                                                                                                                                                                                                          var. multiflora Synonymy: Viguiera multiflora (Nutt.) Blake

                                                                                                                                                                                                                                                                                                                                                                                          var. nevadensis (A. Nels.) Yates Synonymy: Viguiera multiflora var. nevadensis (A. Nels.) Blake

                                                                                                                                                                                                                                                                                                                                                                                        soliceps (Barneby) Yates Synonymy: Viguiera soliceps Barneby

                                                                                                                                                                                                                                                                                                                                                                                        Heliopsis Pers. - OXEYE

                                                                                                                                                                                                                                                                                                                                                                                          helianthoides (L.) Sweet

                                                                                                                                                                                                                                                                                                                                                                                            var. gracilis (Nutt.) Gandhi & Thomas Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Heliopsis gracilis Nutt.

                                                                                                                                                                                                                                                                                                                                                                                            var. helianthoides Synonymy: Heliopsis helianthoides var. solidaginoides (L.) Fern.

                                                                                                                                                                                                                                                                                                                                                                                            var. occidentalis (T.R. Fisher) Steyermark Synonymy: Heliopsis helianthoides ssp. occidentalis T.R. Fisher

                                                                                                                                                                                                                                                                                                                                                                                            var. scabra (Dunal) Fern. Present in the Texas flora and known locally as: Rough h. (Texas Distribution by vegetation zone) Synonymy: Heliopsis helianthoides ssp. scabra (Dunal) T.R. Fisher , Heliopsis minor (Hook.) C. Mohr , Heliopsis scabra Dunal

                                                                                                                                                                                                                                                                                                                                                                                          parvifolia Gray Present in the Texas flora and known locally as: Mountain h. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                          Hemizonia DC. - TARWEED

                                                                                                                                                                                                                                                                                                                                                                                            arida Keck

                                                                                                                                                                                                                                                                                                                                                                                            clementina Brandeg.

                                                                                                                                                                                                                                                                                                                                                                                            congesta DC.

                                                                                                                                                                                                                                                                                                                                                                                              ssp. calyculata Babcock & Hall Synonymy: Hemizonia calyculata (Babcock & Hall) Keck

                                                                                                                                                                                                                                                                                                                                                                                              ssp. clevelandii (Greene) Babcock & Hall Synonymy: Hemizonia clevelandii Greene

                                                                                                                                                                                                                                                                                                                                                                                              ssp. congesta Synonymy: Hemizonia lutescens (Greene) Keck , Hemizonia luzulifolia var. lutescens Greene , Hemizonia multicaulis Hook. & Arn.

                                                                                                                                                                                                                                                                                                                                                                                              ssp. leucocephala (Tanowitz) Keil Synonymy: Hemizonia leucocephala Tanowitz

                                                                                                                                                                                                                                                                                                                                                                                              ssp. luzulifolia (DC.) Babcock & Hall Synonymy: Hemizonia luzulifolia DC. , Hemizonia luzulifolia ssp. rudis (Benth.) Keck

                                                                                                                                                                                                                                                                                                                                                                                              ssp. tracyi Babcock & Hall Synonymy: Hemizonia luzulifolia ssp. tracyi Babcock & Hall , Hemizonia tracyi (Babcock & Hall) Keck

                                                                                                                                                                                                                                                                                                                                                                                              ssp. vernalis (Keck) Tanowitz Synonymy: Hemizonia multicaulis ssp. vernalis Keck

                                                                                                                                                                                                                                                                                                                                                                                            conjugens Keck

                                                                                                                                                                                                                                                                                                                                                                                            corymbosa (DC.) Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                              ssp. corymbosa

                                                                                                                                                                                                                                                                                                                                                                                              ssp. macrocephala (Nutt.) Keck

                                                                                                                                                                                                                                                                                                                                                                                            fasciculata (DC.) Torr. & Gray Synonymy: Hemizonia ramosissima Benth.

                                                                                                                                                                                                                                                                                                                                                                                            fitchii Gray

                                                                                                                                                                                                                                                                                                                                                                                            floribunda Gray

                                                                                                                                                                                                                                                                                                                                                                                            halliana Keck

                                                                                                                                                                                                                                                                                                                                                                                            increscens (Hall ex Keck) Tanowitz

                                                                                                                                                                                                                                                                                                                                                                                              ssp. foliosa (Hoover) Tanowitz

                                                                                                                                                                                                                                                                                                                                                                                              ssp. increscens Synonymy: Hemizonia paniculata ssp. increscens Hall ex Keck

                                                                                                                                                                                                                                                                                                                                                                                              ssp. villosa Tanowitz

                                                                                                                                                                                                                                                                                                                                                                                            kelloggii Greene

                                                                                                                                                                                                                                                                                                                                                                                            lobbii Greene

                                                                                                                                                                                                                                                                                                                                                                                            minthornii Jepson

                                                                                                                                                                                                                                                                                                                                                                                            mohavensis Keck

                                                                                                                                                                                                                                                                                                                                                                                            pallida Keck

                                                                                                                                                                                                                                                                                                                                                                                            paniculata Gray

                                                                                                                                                                                                                                                                                                                                                                                            parryi Greene

                                                                                                                                                                                                                                                                                                                                                                                              ssp. australis Keck Synonymy: Hemizonia australis (Keck) Keck

                                                                                                                                                                                                                                                                                                                                                                                              ssp. congdonii (Robins. & Greenm.) Keck

                                                                                                                                                                                                                                                                                                                                                                                              ssp. parryi

                                                                                                                                                                                                                                                                                                                                                                                              ssp. rudis (Greene) Keck

                                                                                                                                                                                                                                                                                                                                                                                            pentactis (Keck) Keck

                                                                                                                                                                                                                                                                                                                                                                                            pungens (Hook. & Arn.) Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                              ssp. laevis Keck Synonymy: Hemizonia laevis (Keck) Keck

                                                                                                                                                                                                                                                                                                                                                                                              ssp. maritima (Greene) Keck

                                                                                                                                                                                                                                                                                                                                                                                              ssp. pungens

                                                                                                                                                                                                                                                                                                                                                                                              ssp. septentrionalis Keck Synonymy: Hemizonia pungens var. septentrionalis (Keck) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                            Herrickia Woot. & Standl. - HERRICKIA

                                                                                                                                                                                                                                                                                                                                                                                              horrida Woot. & Standl. Synonymy: Aster horridus (Woot. & Standl.) Blake , Eurybia horrida (Woot. & Standl.) Nesom

                                                                                                                                                                                                                                                                                                                                                                                              Hesperevax (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                acaulis (Kellogg) Greene

                                                                                                                                                                                                                                                                                                                                                                                                  var. acaulis Synonymy: Evax acaulis (Kellogg) Greene , Stylocline acaulis Kellogg

                                                                                                                                                                                                                                                                                                                                                                                                  var. ambusticola Morefield

                                                                                                                                                                                                                                                                                                                                                                                                  var. robustior Morefield

                                                                                                                                                                                                                                                                                                                                                                                                caulescens (Benth.) Gray Synonymy: Evax acaulis Greene, non (Kellogg) Greene , Evax caulescens var. humilis (Greene) Jepson , Evax caulescens var. petiolata Gray , Evax involucrata Greene

                                                                                                                                                                                                                                                                                                                                                                                                sparsiflora (Gray) Greene

                                                                                                                                                                                                                                                                                                                                                                                                  var. brevifolia (Gray) Morefield Synonymy: Evax sparsiflora var. brevifolia (Gray) Jepson

                                                                                                                                                                                                                                                                                                                                                                                                  var. sparsiflora Synonymy: Evax sparsiflora (Gray) Jepson

                                                                                                                                                                                                                                                                                                                                                                                                Hesperodoria Greene - GLOW-WEED

                                                                                                                                                                                                                                                                                                                                                                                                  salicinus Blake

                                                                                                                                                                                                                                                                                                                                                                                                  scopularum (M.E. Jones) Greene Synonymy: Haplopappus scopulorum (M.E. Jones) Blake , Haplopappus scopulorum var. hirtellus Blake

                                                                                                                                                                                                                                                                                                                                                                                                  Hesperomannia Gray - ISLAND-ASTER

                                                                                                                                                                                                                                                                                                                                                                                                    arborescens Gray Listed by the U.S. FWS as endangered. The FWS range of distribution is: U.S.A. (HI). Listed on March 28, 1994 (Volume 59 Federal Register 14493). Synonymy: Hesperomannia arborescens var. bushiana (O. Deg.) Carlq. , Hesperomannia arborescens var. swezeyi (O. Deg.) Carlq.

                                                                                                                                                                                                                                                                                                                                                                                                    arbuscula Hbd. Listed by the U.S. FWS as endangered. The FWS range of distribution is: U.S.A. (HI). Listed on October 29, 1991 (Volume 56 Federal Register 55785). Synonymy: Hesperomannia arbuscula ssp. oahuensis (Hbd.) Carlq. , Hesperomannia arbuscula var. pearsallii St. John , Hesperomannia mauiensis St. John

                                                                                                                                                                                                                                                                                                                                                                                                    lydgatei Forbes Listed by the U.S. FWS as endangered. The FWS range of distribution is: U.S.A. (HI). Listed on September 20, 1991 (Volume 56 Federal Register 47699).

                                                                                                                                                                                                                                                                                                                                                                                                    Heteranthemis Schott

                                                                                                                                                                                                                                                                                                                                                                                                      viscidehirta Schott

                                                                                                                                                                                                                                                                                                                                                                                                      Heterosperma Cav. - WINGPETAL

                                                                                                                                                                                                                                                                                                                                                                                                        pinnatum Cav. Present in the Texas flora and known locally as: Fineleaf h. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                        Heterotheca Cass. - FALSE GOLDEN-ASTER

                                                                                                                                                                                                                                                                                                                                                                                                          barbata (Rydb.) Semple Synonymy: Chrysopsis barbata Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                          camporum (Greene) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                            var. camporum Synonymy: Chrysopsis camporum Greene , Chrysopsis villosa var. camporum (Greene) Cronq. , Heterotheca villosa var. camporum (Greene) Wunderlin

                                                                                                                                                                                                                                                                                                                                                                                                            var. glandulissimum Semple Synonymy: Chrysopsis camporum var. glandulissimum (Semple) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                          canescens (DC.) Shinners Present in the Texas flora and known locally as: Gray goldaster (Texas Distribution by vegetation zone) Synonymy: Chrysopsis berlandieri Greene , Chrysopsis canescens (DC.) Torr. & Gray, non DC. , Chrysopsis villosa var. canescens (DC.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                          fulcrata (Greene) Shinners Present in the Texas flora and known locally as: Rocky goldaster (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                            var. arizonica Semple

                                                                                                                                                                                                                                                                                                                                                                                                            var. fulcrata Synonymy: Chrysopsis cryptocephala Woot. & Standl. , Chrysopsis fulcrata Greene , Chrysopsis resinolens A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                            var. senilis (Woot. & Standl.) Semple Synonymy: Chrysopsis senilis Woot. & Standl.

                                                                                                                                                                                                                                                                                                                                                                                                          grandiflora Nutt. Synonymy: Heterotheca floribunda Benth.

                                                                                                                                                                                                                                                                                                                                                                                                          jonesii (Blake) Welsh & Atwood Synonymy: Chrysopsis jonesii Blake

                                                                                                                                                                                                                                                                                                                                                                                                          oregona (Nutt.) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                            var. compacta (Keck) Semple Synonymy: Chrysopsis oregona var. compacta Keck

                                                                                                                                                                                                                                                                                                                                                                                                            var. oregona Synonymy: Ammodia oregona Nutt. , Chrysopsis oregona (Nutt.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                            var. rudis (Greene) Semple Synonymy: Chrysopsis oregona var. rudis (Greene) Jepson

                                                                                                                                                                                                                                                                                                                                                                                                            var. scaberrima (Gray) Semple Synonymy: Chrysopsis oregona var. scaberrima Gray

                                                                                                                                                                                                                                                                                                                                                                                                          psammophila Wagenkn. Present in the Texas flora (treated as Heterotheca subaxillaris (Lam.) Britt. & Rusby var. psammophila (Wagenkn.) Gandhi by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Heterotheca subaxillaris var. psammophila (Wagenkn.) Gandhi

                                                                                                                                                                                                                                                                                                                                                                                                          pumila (Greene) Semple Synonymy: Chrysopsis alpicola Rydb. , Chrysopsis alpicola var. glomerata A. Nels. , Chrysopsis cooperi A. Nels. , Chrysopsis pumila Greene , Chrysopsis villosa var. glomerata (A. Nels.) Harms

                                                                                                                                                                                                                                                                                                                                                                                                          rutteri (Rothrock) Shinners Synonymy: Chrysopsis rutteri (Rothrock) Greene

                                                                                                                                                                                                                                                                                                                                                                                                          sessiliflora (Nutt.) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                            ssp. bolanderi (Gray) Semple Synonymy: Chrysopsis bolanderi Gray , Chrysopsis sessiliflora var. bolanderi (Gray) Gray , Chrysopsis villosa var. bolanderi (Gray) Gray ex Jepson , Heterotheca bolanderi (Gray) Harms

                                                                                                                                                                                                                                                                                                                                                                                                            ssp. echioides (Nutt.) Shinner

                                                                                                                                                                                                                                                                                                                                                                                                              var. bolanderioides Semple

                                                                                                                                                                                                                                                                                                                                                                                                              var. camphorata (Eastw.) Semple Synonymy: Chrysopsis camphorata Eastw. , Chrysopsis villosa var. camphorata (Eastw.) Jepson , Heterotheca camphorata (Eastw.) Harms

                                                                                                                                                                                                                                                                                                                                                                                                              var. echioides Synonymy: Chrysopsis echioides Benth. , Chrysopsis sessiliflora var. echioides (Benth.) Gray , Chrysopsis villosa var. echioides (Benth.) Gray , Heterotheca echioides (Benth.) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                            ssp. fastigiata (Greene) Semple

                                                                                                                                                                                                                                                                                                                                                                                                              var. fastigiata Synonymy: Chrysopsis fastigiata Greene , Chrysopsis villosa var. fastigiata (Greene) Hall , Heterotheca fastigiata (Greene) Harms

                                                                                                                                                                                                                                                                                                                                                                                                              var. sanjacintensis Semple

                                                                                                                                                                                                                                                                                                                                                                                                            ssp. sessiliflora Synonymy: Chrysopsis californica Elmer , Chrysopsis sessiliflora Nutt. , Chrysopsis villosa var. sessiliflora (Nutt.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                          stenophylla (Gray) Shinners Present in the Texas flora and known locally as: Narrowleaf goldaster (Texas Distribution by vegetation zone) Synonymy: Chrysopsis hispida var. stenophylla Gray , Chrysopsis scabrifolia A. Nels. , Chrysopsis stenophylla (Gray) Greene , Chrysopsis villosa var. stenophylla (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                          subaxillaris (Lam.) Britt. & Rusby Present in the Texas flora and known locally as: Camphorweed (Texas Distribution by vegetation zone) Synonymy: Chrysopsis scabra (Pursh) Ell. , Heterotheca lamarckii Cass. , Heterotheca latifolia Buckl. , Heterotheca latifolia var. arkansana Wagenkn. , Heterotheca latifolia var. macgregoris Wagenkn. , Heterotheca scabra (Pursh) DC. , Heterotheca subaxillaris var. latifolia (Buckl.) Gandhi & Thomas , Heterotheca subaxillaris var. petiolaris Benke , Heterotheca subaxillaris var. procumbens Wagenkn.

                                                                                                                                                                                                                                                                                                                                                                                                          villosa (Pursh) Shinners Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                            var. angustifolia (Rydb.) Harms Synonymy: Chrysopsis angustifolia Rydb. , Chrysopsis villosa var. angustifolia (Rydb.) Cronq. , Heterotheca villosa var. angustifolia (Rydb.) Semple , Heterotheca stenophylla var. angustifolia (Rydb.) Semple

                                                                                                                                                                                                                                                                                                                                                                                                            var. ballardii (Rydb.) Semple Synonymy: Chrysopsis ballardii Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                            var. depressa (Rydb.) Harms Synonymy: Chrysopsis depressa Rydb. , Heterotheca depressa (Rydb.) Dorn

                                                                                                                                                                                                                                                                                                                                                                                                            var. foliosa (Nutt.) Harms Synonymy: Chrysopsis foliosa (Nutt.) Shinners , Chrysopsis hirsutissima Greene , Chrysopsis villosa var. foliosa (Nutt.) D.C. Eat.

                                                                                                                                                                                                                                                                                                                                                                                                            var. hispida (Hook.) Harms Synonymy: Chrysopsis arida A. Nels. , Chrysopsis butleri Rydb. , Chrysopsis columbiana Greene , Chrysopsis hispida (Hook.) DC. , Chrysopsis villosa var. hispida (Hook.) Gray , Chrysopsis wisconsinensis Shinners , Heterotheca wisconsinensis (Shinners) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                            var. horrida (Hook.) Semple Present in the Texas flora (treated as Heterotheca horrida (Rydb.) Harms by Hatch et al, 1990) No Texas distribution data available Synonymy: Chrysopsis horrida Rydb. , Heterotheca horrida (Rydb.) Harms

                                                                                                                                                                                                                                                                                                                                                                                                            var. minor Semple

                                                                                                                                                                                                                                                                                                                                                                                                            var. nana (Gray) Semple Synonymy: Chrysopsis canescens var. nana Gray

                                                                                                                                                                                                                                                                                                                                                                                                            var. scabra (Eastw.) Semple Synonymy: Chrysopsis viscida ssp. cinerascens Blake , Heterotheca horrida ssp. cinerascens (Blake) Semple

                                                                                                                                                                                                                                                                                                                                                                                                            var. shevockii Semple

                                                                                                                                                                                                                                                                                                                                                                                                            var. villosa Synonymy: Chrysopsis bakeri Greene , Chrysopsis caudata Rydb. , Chrysopsis imbricata A. Nels. , Chrysopsis mollis Nutt. , Chrysopsis nitidula Woot. & Standl. , Chrysopsis pedunculata Greene , Chrysopsis villosa (Pursh) Nutt. ex DC. , Heterotheca villosa var. pedunculata (Greene) Harms ex Semple

                                                                                                                                                                                                                                                                                                                                                                                                          viscida (Gray) Harms Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Chrysopsis villosa var. viscida Gray , Chrysopsis viscida (Gray) Greene

                                                                                                                                                                                                                                                                                                                                                                                                          zionensis Semple

                                                                                                                                                                                                                                                                                                                                                                                                          Hieracium L. - HAWKWEED

                                                                                                                                                                                                                                                                                                                                                                                                            acranthophorum Om.

                                                                                                                                                                                                                                                                                                                                                                                                              var. acranthophorum

                                                                                                                                                                                                                                                                                                                                                                                                              var. isortoquense Böcher

                                                                                                                                                                                                                                                                                                                                                                                                            albiflorum Hook. Synonymy: Chlorocrepis albiflora (Hook.) W.A. Weber , Hieracium helleri Gandog.

                                                                                                                                                                                                                                                                                                                                                                                                            X alleghaniense Britt. (pro sp.) [gronovii X paniculatum]

                                                                                                                                                                                                                                                                                                                                                                                                            alpinum L.

                                                                                                                                                                                                                                                                                                                                                                                                            amitsokense (Almquist) Dahlst.

                                                                                                                                                                                                                                                                                                                                                                                                            angmagssalikense Om.

                                                                                                                                                                                                                                                                                                                                                                                                            argutum Nutt. Synonymy: Hieracium argutum var. parishii (Gray) Jepson

                                                                                                                                                                                                                                                                                                                                                                                                            X atramentarium (Naegeli & Peter) Zahn ex Engl. (pro sp.) [aurantiacum X piloselloides]

                                                                                                                                                                                                                                                                                                                                                                                                            atratum Fries

                                                                                                                                                                                                                                                                                                                                                                                                            aurantiacum L.

                                                                                                                                                                                                                                                                                                                                                                                                            bolanderi Gray Synonymy: Hieracium siskiyouense M.E. Peck

                                                                                                                                                                                                                                                                                                                                                                                                            caespitosum Dumort. Synonymy: Hieracium pratense Tausch

                                                                                                                                                                                                                                                                                                                                                                                                            canadense Michx.

                                                                                                                                                                                                                                                                                                                                                                                                              var. canadense Synonymy: Hieracium columbianum Rydb. , Hieracium kalmii var. canadense (Michx.) Reveal , Hieracium scabriusculum var. columbianum (Rydb.) Lepage , Hieracium umbellatum var. canadense (Michx.) Breitung , Hieracium umbellatum var. scabriusculum Farw.

                                                                                                                                                                                                                                                                                                                                                                                                              var. divaricatum Lepage

                                                                                                                                                                                                                                                                                                                                                                                                              var. fasciculatum (Pursh) Fern. Synonymy: Hieracium kalmii var. fasciculatum (Pursh) Lepage

                                                                                                                                                                                                                                                                                                                                                                                                              var. subintegrum Lepage Synonymy: Hieracium kalmii var. subintegrum (Lepage) Lepage

                                                                                                                                                                                                                                                                                                                                                                                                            carneum Greene

                                                                                                                                                                                                                                                                                                                                                                                                            cynoglossoides Arv.-Touv. Synonymy: Hieracium albertinum Farr , Hieracium cusickii Gandog. , Hieracium flettii St. John & Warren , Hieracium scouleri var. albertinum (Farr) G.W. Douglas & G.A. Allen , Hieracium scouleri var. griseum (Rydb.) A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                            devoldii Om.

                                                                                                                                                                                                                                                                                                                                                                                                            X dutillyanum Lepage [canadense X umbellatum]

                                                                                                                                                                                                                                                                                                                                                                                                            eugenii Om.

                                                                                                                                                                                                                                                                                                                                                                                                            X fassettii Lepage [kalmii X scabrum]

                                                                                                                                                                                                                                                                                                                                                                                                              var. fassettii

                                                                                                                                                                                                                                                                                                                                                                                                              var. mendicum Lepage (pro nm.)

                                                                                                                                                                                                                                                                                                                                                                                                              var. wisconsinse Lepage (pro nm.)

                                                                                                                                                                                                                                                                                                                                                                                                            fendleri Schultz-Bip. Present in the Texas flora and known locally as: Yellow hawkweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                              var. discolor Gray

                                                                                                                                                                                                                                                                                                                                                                                                              var. fendleri Synonymy: Chlorocrepis fendleri (Schultz-Bip.) W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                                              var. mogollense Gray

                                                                                                                                                                                                                                                                                                                                                                                                            X fernaldii Lepage [canadense X scabrum] Synonymy: Hieracium canadense var. hirtirameum Fern.

                                                                                                                                                                                                                                                                                                                                                                                                            X flagellare Willd. (pro sp.) [caespitosum X pilosella]

                                                                                                                                                                                                                                                                                                                                                                                                              var. amauracron (Missbach & Zahn) Lepage (pro nm.) Synonymy: Hieracium flagellare ssp. amauracron Missbach & Zahn

                                                                                                                                                                                                                                                                                                                                                                                                              var. cernuiforme (Naegeli & Peter) Lepage (pro nm.) Synonymy: Hieracium flagellare ssp. cernuiforme Naegeli & Peter

                                                                                                                                                                                                                                                                                                                                                                                                              var. flagellare

                                                                                                                                                                                                                                                                                                                                                                                                              var. glatzense (Naegeli & Peter) Lepage (pro nm.) Synonymy: Hieracium flagellare ssp. glatzense Naegeli & Peter

                                                                                                                                                                                                                                                                                                                                                                                                              var. pilosius Lepage

                                                                                                                                                                                                                                                                                                                                                                                                            X floribundum Wimmer & Grab. (pro sp.) [caespitosum X lactucella] Synonymy: Hieracium auricula L. p.p. , Hieracium X dorei Lepage

                                                                                                                                                                                                                                                                                                                                                                                                            X fuscatrum Naegeli & Peter (pro sp.) [aurantiacum X caespitosum]

                                                                                                                                                                                                                                                                                                                                                                                                            gracile Hook.

                                                                                                                                                                                                                                                                                                                                                                                                              var. alaskanum Zahn

                                                                                                                                                                                                                                                                                                                                                                                                              var. detonsum (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                              var. gracile Synonymy: Chlorocrepis tristis ssp. gracilis (Hook.) W.A. Weber , Hieracium gracile var. densifloccosum (Zahn) Cronq. , Hieracium triste ssp. gracile (Hook.) Calder & Taylor , Hieracium triste var. gracile (Hook.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                              var. yukonense Porsild

                                                                                                                                                                                                                                                                                                                                                                                                            greenei Gray

                                                                                                                                                                                                                                                                                                                                                                                                            greenii Porter & Britt. Synonymy: Hieracium traillii Greene

                                                                                                                                                                                                                                                                                                                                                                                                            groenlandicum (Arv.-Touv.) Almquist

                                                                                                                                                                                                                                                                                                                                                                                                            X grohii Lepage [canadense X lachenalii]

                                                                                                                                                                                                                                                                                                                                                                                                            gronovii L. Present in the Texas flora and known locally as: Gronovius hawkweed (Texas Distribution by vegetation zone) Synonymy: Hieracium gronovii var. foliosum Michx.

                                                                                                                                                                                                                                                                                                                                                                                                            horridum Fries

                                                                                                                                                                                                                                                                                                                                                                                                            hyparcticum Almquist

                                                                                                                                                                                                                                                                                                                                                                                                            inuloides Tausch

                                                                                                                                                                                                                                                                                                                                                                                                            ivigtutense (Almquist) Om.

                                                                                                                                                                                                                                                                                                                                                                                                            kalmii L. Synonymy: Hieracium canadense var. kalmii (L.) Scoggan

                                                                                                                                                                                                                                                                                                                                                                                                            lachenalii K.C. Gmel. Synonymy: Hieracium vulgatum Fries

                                                                                                                                                                                                                                                                                                                                                                                                            lactucella Wallr.

                                                                                                                                                                                                                                                                                                                                                                                                            laevigatum Willd.

                                                                                                                                                                                                                                                                                                                                                                                                            lemmonii Gray

                                                                                                                                                                                                                                                                                                                                                                                                            lividorubens (Almquist) Elfstr.

                                                                                                                                                                                                                                                                                                                                                                                                              var. lividorubens

                                                                                                                                                                                                                                                                                                                                                                                                              var. pseudostylum Oskarss.

                                                                                                                                                                                                                                                                                                                                                                                                              var. subnudulum Dahlst.

                                                                                                                                                                                                                                                                                                                                                                                                            longiberbe T.J. Howell

                                                                                                                                                                                                                                                                                                                                                                                                            longipilum Torr.

                                                                                                                                                                                                                                                                                                                                                                                                            maculatum Sm.

                                                                                                                                                                                                                                                                                                                                                                                                            X marianum Willd. (pro sp.) [gronovii X venosum] Synonymy: Hieracium pennsylvanicum Fries

                                                                                                                                                                                                                                                                                                                                                                                                            megacephalon Nash Synonymy: Hieracium argyraeum Small

                                                                                                                                                                                                                                                                                                                                                                                                            murorum L.

                                                                                                                                                                                                                                                                                                                                                                                                            musartutense Om.

                                                                                                                                                                                                                                                                                                                                                                                                            nepiocratum Om.

                                                                                                                                                                                                                                                                                                                                                                                                            paniculatum L.

                                                                                                                                                                                                                                                                                                                                                                                                            pilosella L.

                                                                                                                                                                                                                                                                                                                                                                                                              var. niveum Muell.-Arg.

                                                                                                                                                                                                                                                                                                                                                                                                              var. pilosella

                                                                                                                                                                                                                                                                                                                                                                                                            piloselloides Vill. Synonymy: Hieracium florentinum All.

                                                                                                                                                                                                                                                                                                                                                                                                            plicatum Lindb.

                                                                                                                                                                                                                                                                                                                                                                                                            praealtum Vill. ex Gochnat

                                                                                                                                                                                                                                                                                                                                                                                                              var. decipiens W.D.J. Koch

                                                                                                                                                                                                                                                                                                                                                                                                              var. praealtum

                                                                                                                                                                                                                                                                                                                                                                                                            pringlei Gray

                                                                                                                                                                                                                                                                                                                                                                                                            rigorosum (Laestad.) Almquist

                                                                                                                                                                                                                                                                                                                                                                                                              var. nanusekense Om.

                                                                                                                                                                                                                                                                                                                                                                                                              var. rigorosum

                                                                                                                                                                                                                                                                                                                                                                                                              var. sermilikense Om.

                                                                                                                                                                                                                                                                                                                                                                                                              var. unanakense Om.

                                                                                                                                                                                                                                                                                                                                                                                                            robinsonii (Zahn) Fern. Synonymy: Hieracium ungavense Lepage

                                                                                                                                                                                                                                                                                                                                                                                                            rusbyi Greene

                                                                                                                                                                                                                                                                                                                                                                                                            sabaudum L.

                                                                                                                                                                                                                                                                                                                                                                                                            scabrum Michx.

                                                                                                                                                                                                                                                                                                                                                                                                              var. intonsum Fern. & St. John

                                                                                                                                                                                                                                                                                                                                                                                                              var. leucocaule Fern. & St. John

                                                                                                                                                                                                                                                                                                                                                                                                              var. scabrum

                                                                                                                                                                                                                                                                                                                                                                                                              var. tonsum Fern. & St. John

                                                                                                                                                                                                                                                                                                                                                                                                            scholanderi Om.

                                                                                                                                                                                                                                                                                                                                                                                                            scouleri Hook.

                                                                                                                                                                                                                                                                                                                                                                                                              var. nudicaule (Gray) Cronq. Synonymy: Hieracium cynoglossoides var. nudicaule Gray

                                                                                                                                                                                                                                                                                                                                                                                                              var. scouleri Synonymy: Hieracium chapacanum Zahn , Hieracium parryi Zahn

                                                                                                                                                                                                                                                                                                                                                                                                            X scribneri Small (pro sp.) [paniculatum X venosum]

                                                                                                                                                                                                                                                                                                                                                                                                            stelechodes Om.

                                                                                                                                                                                                                                                                                                                                                                                                            stiptocaule Om.

                                                                                                                                                                                                                                                                                                                                                                                                            X stoloniflorum Waldst. & Kit. (pro sp.) [aurantiacum X pilosella]

                                                                                                                                                                                                                                                                                                                                                                                                              var. cayouetteanum Lepage (pro nm.)

                                                                                                                                                                                                                                                                                                                                                                                                              var. laurentianum Lepage (pro nm.)

                                                                                                                                                                                                                                                                                                                                                                                                            strictum Fries

                                                                                                                                                                                                                                                                                                                                                                                                            sylowii Om.

                                                                                                                                                                                                                                                                                                                                                                                                              var. norwagorum Om.

                                                                                                                                                                                                                                                                                                                                                                                                              var. sylowii

                                                                                                                                                                                                                                                                                                                                                                                                            tridentatum (Fries) Fries

                                                                                                                                                                                                                                                                                                                                                                                                            trigonophorum Oskarss.

                                                                                                                                                                                                                                                                                                                                                                                                            triste Willd. ex Spreng.

                                                                                                                                                                                                                                                                                                                                                                                                              var. fulvum Hultén

                                                                                                                                                                                                                                                                                                                                                                                                              var. triste Synonymy: Chlorocrepis tristis (Willd. ex Spreng.) A.& D. Löve , Hieracium triste var. tritiforme Zahn

                                                                                                                                                                                                                                                                                                                                                                                                            umbellatum L. Synonymy: Hieracium scabriusculum Schwein. , Hieracium scabriusculum var. perhirsutum Lepage , Hieracium scabriusculum var. saximontanum Lepage , Hieracium scabriusculum var. scabrum (Schwein.) Lepage

                                                                                                                                                                                                                                                                                                                                                                                                            venosum L.

                                                                                                                                                                                                                                                                                                                                                                                                              var. nudicaule (Michx.) Farw.

                                                                                                                                                                                                                                                                                                                                                                                                              var. venosum

                                                                                                                                                                                                                                                                                                                                                                                                            wrightii (Gray) Robins. & Greenm. Present in the Texas flora and known locally as: Roughstem hawkweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                            Holocarpha Greene - TARBUSH

                                                                                                                                                                                                                                                                                                                                                                                                              heermannii (Greene) Keck

                                                                                                                                                                                                                                                                                                                                                                                                              macradenia (DC.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                              obconica (J.C. Clausen & Keck) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                ssp. autumnalis Keck

                                                                                                                                                                                                                                                                                                                                                                                                                ssp. obconica

                                                                                                                                                                                                                                                                                                                                                                                                              virgata (Gray) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                ssp. elongata Keck

                                                                                                                                                                                                                                                                                                                                                                                                                ssp. virgata

                                                                                                                                                                                                                                                                                                                                                                                                              Holozonia Greene - WHITECROWN

                                                                                                                                                                                                                                                                                                                                                                                                                filipes (Hook. & Arn.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                Hulsea Torr. & Gray - ALPINEGOLD

                                                                                                                                                                                                                                                                                                                                                                                                                  algida Gray Synonymy: Hulsea caespitosa A. Nels. & Kennedy , Hulsea carnosa Rydb. , Hulsea nevadensis Gandog.

                                                                                                                                                                                                                                                                                                                                                                                                                  brevifolia Gray

                                                                                                                                                                                                                                                                                                                                                                                                                  californica Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                  heterochroma Gray

                                                                                                                                                                                                                                                                                                                                                                                                                  mexicana Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                  nana Gray Synonymy: Hulsea larsenii (Gray) Rydb. , Hulsea nana var. larsenii Gray , Hulsea volcanica Gandog.

                                                                                                                                                                                                                                                                                                                                                                                                                  vestita Gray

                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. callicarpha (Hall) Wilken Synonymy: Hulsea callicarpha (Hall) S. Wats. ex Rydb. , Hulsea vestita var. callicarpha Hall

                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. gabrielensis Wilken

                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. inyoensis (Keck) Wilken Synonymy: Hulsea californica ssp. inyoensis Keck , Hulsea inyoensis (Keck) Munz

                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. parryi (Gray) Wilken Synonymy: Hulsea parryi Gray

                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. pygmaea (Gray) Wilken Synonymy: Hulsea vestita var. pygmaea Gray

                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. vestita

                                                                                                                                                                                                                                                                                                                                                                                                                  Hymenoclea Torr. & Gray ex Gray - CHEESEBUSH

                                                                                                                                                                                                                                                                                                                                                                                                                    monogyra Torr. & Gray ex Gray Present in the Texas flora and known locally as: Burrobursh (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                    salsola Torr. & Gray ex Gray

                                                                                                                                                                                                                                                                                                                                                                                                                      var. fasciculata (A. Nels.) K.M. Peterson & Payne Synonymy: Hymenoclea fasciculata A. Nels. , Hymenoclea salsola var. patula (A. Nels.) K.M. Peterson & Payne

                                                                                                                                                                                                                                                                                                                                                                                                                      var. pentalepis (Rydb.) L. Benson Synonymy: Hymenoclea pentalepis Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                      var. salsola

                                                                                                                                                                                                                                                                                                                                                                                                                    sandersonii (Welsh) N. Holmgren Synonymy: Ambrosia sandersonii Welsh

                                                                                                                                                                                                                                                                                                                                                                                                                    Hymenopappus L'Hér. - WOOLLYWHITE

                                                                                                                                                                                                                                                                                                                                                                                                                      artemisiifolius DC.

                                                                                                                                                                                                                                                                                                                                                                                                                        var. artemisiifolius Present in the Texas flora (treated as Hymenopappus scabiosaeus L'Her var. artemisiifolius (DC.) Gandhi & Thomas by Hatch et al, 1990) and known locally as: Ragweed woolly-white (Texas Distribution by vegetation zone) Synonymy: Hymenopappus scabiosaeus var. artemisiifolius (DC.) Gandhi & Thomas

                                                                                                                                                                                                                                                                                                                                                                                                                        var. riograndensis B.L. Turner Present in the Texas flora (treated as Hymenopappus scabiosaeus L'Her var. riograndensis (B. Turner) Gandhi by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Hymenopappus scabiosaeus var. riograndensis (B.L. Turner) Gandhi

                                                                                                                                                                                                                                                                                                                                                                                                                      biennis B.L. Turner Present in the Texas flora and known locally as: Biennial woolly-white (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                      carrizoanus B.L. Turner

                                                                                                                                                                                                                                                                                                                                                                                                                      filifolius Hook.

                                                                                                                                                                                                                                                                                                                                                                                                                        var. cinereus (Rydb.) I.M. Johnston Present in the Texas flora and known locally as: Fineleaf woolly-white (Texas Distribution by vegetation zone) Synonymy: Hymenopappus arenosus Heller , Hymenopappus cinereus Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                        var. eriopodus (A. Nels.) B.L. Turner Synonymy: Hymenopappus eriopodus A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                        var. filifolius

                                                                                                                                                                                                                                                                                                                                                                                                                        var. idahoensis B.L. Turner

                                                                                                                                                                                                                                                                                                                                                                                                                        var. lugens (Greene) Jepson Synonymy: Hymenopappus gloriosus Heller , Hymenopappus lugens Greene

                                                                                                                                                                                                                                                                                                                                                                                                                        var. luteus (Nutt.) B.L. Turner Synonymy: Hymenopappus luteus Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                        var. megacephalus B.L. Turner

                                                                                                                                                                                                                                                                                                                                                                                                                        var. nanus (Rydb.) B.L. Turner

                                                                                                                                                                                                                                                                                                                                                                                                                        var. nudipes (Maguire) B.L. Turner Synonymy: Hymenopappus filifolius var. alpestris (Maguire) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                        var. parvulus (Greene) B.L. Turner

                                                                                                                                                                                                                                                                                                                                                                                                                        var. pauciflorus (I.M. Johnston) B.L. Turner Synonymy: Hymenopappus pauciflorus I.M. Johnston

                                                                                                                                                                                                                                                                                                                                                                                                                        var. polycephalus (Osterhout) B.L. Turner Synonymy: Hymenopappus polycephalus Osterhout

                                                                                                                                                                                                                                                                                                                                                                                                                        var. tomentosus (Rydb.) B.L. Turner

                                                                                                                                                                                                                                                                                                                                                                                                                      flavescens Gray

                                                                                                                                                                                                                                                                                                                                                                                                                        var. canotomentosus Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Hymenopappus robustus Greene

                                                                                                                                                                                                                                                                                                                                                                                                                        var. flavescens Present in the Texas flora and known locally as: Yellow woolly-white (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                      mexicanus Gray

                                                                                                                                                                                                                                                                                                                                                                                                                      newberryi (Gray) I.M. Johnston Synonymy: Leucampyx newberryi Gray

                                                                                                                                                                                                                                                                                                                                                                                                                      radiatus Rose

                                                                                                                                                                                                                                                                                                                                                                                                                      scabiosaeus L'Hér.

                                                                                                                                                                                                                                                                                                                                                                                                                        var. corymbosus (Torr. & Gray) B.L. Turner Present in the Texas flora and known locally as: Old Plainsman (Texas Distribution by vegetation zone) Synonymy: Hymenopappus corymbosus Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                        var. scabiosaeus Synonymy: Hymenopappus carolinensis (Lam.) Porter

                                                                                                                                                                                                                                                                                                                                                                                                                      tenuifolius Pursh Present in the Texas flora and known locally as: Chalkhill woolly-white, woolly-white, hymenopappus (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                      Hymenothrix Gray - THIMBLEHEAD

                                                                                                                                                                                                                                                                                                                                                                                                                        loomisii Blake

                                                                                                                                                                                                                                                                                                                                                                                                                        wislizeni Gray Present in the Texas flora, local name unknown. No Texas distribution data available

                                                                                                                                                                                                                                                                                                                                                                                                                        wrightii Gray Present in the Texas flora and known locally as: Wright hymenothrix (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                        Hymenoxys Cass. - RUBBERWEED

                                                                                                                                                                                                                                                                                                                                                                                                                          ambigens (Blake) Bierner Synonymy: Plummera ambigens Blake

                                                                                                                                                                                                                                                                                                                                                                                                                          anthemoides (Juss.) Cass.

                                                                                                                                                                                                                                                                                                                                                                                                                          bigelovii (Gray) Parker Synonymy: Macdougalia bigelovii (Gray) Heller

                                                                                                                                                                                                                                                                                                                                                                                                                          brachyactis Woot. & Standl.

                                                                                                                                                                                                                                                                                                                                                                                                                          cooperi (Gray) Cockerell

                                                                                                                                                                                                                                                                                                                                                                                                                            var. canescens (D.C. Eat.) Parker Synonymy: Actinea canescens (D.C. Eat.) Blake

                                                                                                                                                                                                                                                                                                                                                                                                                            var. cooperi Synonymy: Actinea cooperi (Gray) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                          helenioides (Rydb.) Cockerell Synonymy: Picradenia helenioides Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                          hoopesii (Gray) Bierner Synonymy: Dugaldia hoopesii (Gray) Rydb. , Helenium hoopesii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                          jamesii Bierner

                                                                                                                                                                                                                                                                                                                                                                                                                          lapidicola Welsh & Neese (NOTE: Presence in the North American flora not certain. Please contact BONAP if vouchered records are available.)

                                                                                                                                                                                                                                                                                                                                                                                                                          lemmonii (Greene) Cockerell

                                                                                                                                                                                                                                                                                                                                                                                                                          microcephala (Gray) Bierner Synonymy: Plummera floribunda Gray

                                                                                                                                                                                                                                                                                                                                                                                                                          odorata DC.

                                                                                                                                                                                                                                                                                                                                                                                                                          quinquesquamata Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                          richardsonii (Hook.) Cockerell

                                                                                                                                                                                                                                                                                                                                                                                                                            var. floribunda (Gray) Parker Synonymy: Hymenoxys olivacea Cockerell , Hymenoxys richardsonii var. utahensis Cockerell

                                                                                                                                                                                                                                                                                                                                                                                                                            var. richardsonii Synonymy: Actinea richardsonii (Hook.) Kuntze , Picradenia richardsonii Hook.

                                                                                                                                                                                                                                                                                                                                                                                                                          rusbyi (Gray) Cockerell

                                                                                                                                                                                                                                                                                                                                                                                                                          subintegra Cockerell

                                                                                                                                                                                                                                                                                                                                                                                                                          texana (Coult. & Rose) Cockerell Listed by the U.S. FWS as endangered, the FWS local name is Texas prairie dawn-flower (=Texas bitterweed) and the FWS range is: U.S.A. (TX). Listed on March 13, 1986 (Volume 51 Federal Register 8683).

                                                                                                                                                                                                                                                                                                                                                                                                                          vaseyi (Gray) Cockerell Synonymy: Actinea vaseyi (Gray) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                          Hypochaeris L. - CAT'S-EAR

                                                                                                                                                                                                                                                                                                                                                                                                                            brasiliensis (Less.) Griseb. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                              var. tweedyi (Hook. & Arn.) Baker Synonymy: Hypochaeris elata auct. non (Weddell) Griseb. , Hypochaeris tweedyi Hook. & Arn.

                                                                                                                                                                                                                                                                                                                                                                                                                            glabra L.

                                                                                                                                                                                                                                                                                                                                                                                                                            microcephala (Schultz-Bip.) Cabrera

                                                                                                                                                                                                                                                                                                                                                                                                                              var. albiflora (Kuntze) Cabrera Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                              var. microcephala

                                                                                                                                                                                                                                                                                                                                                                                                                            radicata L. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                            Inula L. - YELLOWHEAD

                                                                                                                                                                                                                                                                                                                                                                                                                              britannica L.

                                                                                                                                                                                                                                                                                                                                                                                                                              helenium L.

                                                                                                                                                                                                                                                                                                                                                                                                                              salicina L.

                                                                                                                                                                                                                                                                                                                                                                                                                              Ionactis Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                alpina (Nutt.) Greene Synonymy: Aster scopulorum Gray , Chrysopsis alpina Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                caelestis Leary & Nesom

                                                                                                                                                                                                                                                                                                                                                                                                                                elegans (Soreng & Spellenberg) Nesom Synonymy: Chaetopappa elegans Soreng & Spellenberg

                                                                                                                                                                                                                                                                                                                                                                                                                                linariifolius (L.) Greene Present in the Texas flora (treated as Aster linariifolius L. by Hatch et al, 1990) and known locally as: Savoryleaf aster (Texas Distribution by vegetation zone) Synonymy: Aster linariifolius L. , Aster linariifolius var. victorinii Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                stenomeres (Gray) Greene Synonymy: Aster stenomeres Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                Isocarpha R. Br. - PEARLHEAD

                                                                                                                                                                                                                                                                                                                                                                                                                                  oppositifolia (L.) Cass. Present in the Texas flora and known locally as: Rio Grande isocarpha (Texas Distribution by vegetation zone) Synonymy: Calea oppositifolia L.

                                                                                                                                                                                                                                                                                                                                                                                                                                  Isocoma Nutt. - JIMMYWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                    acradenia (Greene) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                      var. acradenia Synonymy: Haplopappus acradenius (Greene) Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                      var. bracteosa (Greene) Nesom Synonymy: Haplopappus acradenius ssp. bracteosus (Greene) Hall , Isocoma bracteosa Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                      var. eremophila (Greene) Nesom Synonymy: Haplopappus acradenius ssp. eremophilus (Greene) Hall , Isocoma acradenia ssp. eremophila (Greene) Beauchamp , Isocoma eremophila Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                    arguta Greene Synonymy: Haplopappus venetus var. argutus (Greene) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                    azteca Nesom

                                                                                                                                                                                                                                                                                                                                                                                                                                    coronopifolia (Gray) Greene Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                      var. coronopifolia

                                                                                                                                                                                                                                                                                                                                                                                                                                      var. pedicellata (Greene) Nesom Synonymy: Isocoma pedicellata Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                    drummondii (Torr. & Gray) Greene Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Haplopappus drummondii (Torr. & Gray) Blake , Isocoma megalantha Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                    humilis Nesom Synonymy: Haplopappus leverichii Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                    menziesii (Hook. & Arn.) Nesom

                                                                                                                                                                                                                                                                                                                                                                                                                                      var. decumbens (Greene) Nesom Synonymy: Haplopappus venetus ssp. furfuraceus (Greene) Hall , Isocoma veneta var. furfuracea (Greene) Beauchamp

                                                                                                                                                                                                                                                                                                                                                                                                                                      var. diabolica Nesom

                                                                                                                                                                                                                                                                                                                                                                                                                                      var. menziesii Synonymy: Haplopappus venetus ssp. oxyphyllus (Greene) Hall , Isocoma oxyphylla Greene , Isocoma veneta var. oxyphylla (Greene) Beauchamp

                                                                                                                                                                                                                                                                                                                                                                                                                                      var. sedoides (Greene) Nesom Synonymy: Haplopappus venetus var. sedoides (Greene) Munz , Isocoma veneta var. sedoides (Greene) Jepson

                                                                                                                                                                                                                                                                                                                                                                                                                                      var. vernonioides (Nutt.) Nesom Synonymy: Haplopappus venetus ssp. vernonioides (Nutt.) Hall , Isocoma veneta var. vernonioides (Nutt.) Jepson , Isocoma vernonioides Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                    pluriflora (Torr. & Gray) Greene Present in the Texas flora (treated as Isocoma wrightii (Gray) Rydb. by Hatch et al, 1990) and known locally as: Jimmyweed (Texas Distribution by vegetation zone) Synonymy: Haplopappus heterophyllus (Gray) Blake , Haplopappus pluriflorus (Torr. & Gray) Hall , Isocoma wrightii (Gray) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                    rusbyi Greene Synonymy: Haplopappus rusbyi (Greene) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                    tenuisecta Greene Synonymy: Haplopappus tenuisectus (Greene) Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                    Iva L. - MARSH-ELDER

                                                                                                                                                                                                                                                                                                                                                                                                                                      acerosa (Nutt.) R.C. Jackson Synonymy: Oxytenia acerosa Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                      ambrosiifolia (Gray) Gray Present in the Texas flora and known locally as: Rag sumpweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                      angustifolia Nutt. ex DC. Present in the Texas flora and known locally as: Narrowleaf sumpweed, marshelder (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                      annua L. Present in the Texas flora and known locally as: Seacoast sumpweed, sharpbract sumpweed, marshelder, pelocote (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                        var. annua Synonymy: Iva ciliata Willd.

                                                                                                                                                                                                                                                                                                                                                                                                                                        var. caudata (Small) R.C. Jackson Synonymy: Iva caudata Small

                                                                                                                                                                                                                                                                                                                                                                                                                                        var. macrocarpa (Blake) R.C. Jackson (NOTE: Presence in the North American flora not certain. Please contact BONAP if vouchered records are available.) Synonymy: Iva ciliata var. macrocarpa Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                      asperifolia Less.

                                                                                                                                                                                                                                                                                                                                                                                                                                      axillaris Pursh Present in the Texas flora and known locally as: Poverty-weed (Texas Distribution by vegetation zone) Synonymy: Iva axillaris ssp. robustior (Hook.) Bassett , Iva axillaris var. robustior Hook.

                                                                                                                                                                                                                                                                                                                                                                                                                                      cheiranthifolia Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                      dealbata Gray Present in the Texas flora and known locally as: Woolly sumpweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                      frutescens L. Present in the Texas flora and known locally as: Bigleaf sumpweed, marshelder (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                        ssp. frutescens

                                                                                                                                                                                                                                                                                                                                                                                                                                        ssp. oraria (Bartlett) R.C. Jackson Synonymy: Iva frutescens var. oraria (Bartlett) Fern. & Grisc.

                                                                                                                                                                                                                                                                                                                                                                                                                                      hayesiana Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                      imbricata Walt. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                      microcephala Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                      nevadensis M.E. Jones

                                                                                                                                                                                                                                                                                                                                                                                                                                      texensis R.C. Jackson Present in the Texas flora (treated as Iva angustifolia DC. var. latior Shinners by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Iva angustifolia var. latior Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                      xanthifolia Nutt. Present in the Texas flora and known locally as: Yellow sumpweed, burweed marshelder (Texas Distribution by vegetation zone) Synonymy: Cyclachaena xanthifolia (Nutt.) Fresen.

                                                                                                                                                                                                                                                                                                                                                                                                                                      Ixeris (Cass.) Cass. - CREEPING-LETTUCE

                                                                                                                                                                                                                                                                                                                                                                                                                                        stolonifera Gray Synonymy: Lactuca stolonifera (Gray) Maxim.

                                                                                                                                                                                                                                                                                                                                                                                                                                        Jamesianthus Blake & Sherff - WARBONNET

                                                                                                                                                                                                                                                                                                                                                                                                                                          alabamensis Blake & Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                          Jaumea Pers. - JAUMEA

                                                                                                                                                                                                                                                                                                                                                                                                                                            carnosa (Less.) Gray Listed by the U.S. FWS as endangered, the FWS local name is Costa Rican jatropha and the FWS range is: Costa Rica. Listed on July 27, 1984 (Volume 49 Federal Register 30201).

                                                                                                                                                                                                                                                                                                                                                                                                                                            Jefea Stother

                                                                                                                                                                                                                                                                                                                                                                                                                                              brevifolia (Gray) Stother Present in the Texas flora (treated as Zexmenia brevifolia Gray by Hatch et al, 1990) and known locally as: Shorthorn zexmenia (Texas Distribution by vegetation zone) Synonymy: Zexmenia brevifolia Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                              Kalimeris (Cass.) Cass.

                                                                                                                                                                                                                                                                                                                                                                                                                                                indica (L.) Schultz-Bip.

                                                                                                                                                                                                                                                                                                                                                                                                                                                Koyamacalia H.E. Robins. & Brett. - EARED-INDIAN-PLANTAIN

                                                                                                                                                                                                                                                                                                                                                                                                                                                  auriculata (DC.) H.E. Robins. & Brett. (NOTE: Presence in the North American flora not certain. Please contact BONAP if vouchered records are available.) Synonymy: Cacalia auriculata ssp. kamtschatica (Maxim.) Hultén , Cacalia kamtschatica (Maxim.) Kudo

                                                                                                                                                                                                                                                                                                                                                                                                                                                  Krigia Schreb. - DWARF-DANDELION

                                                                                                                                                                                                                                                                                                                                                                                                                                                    biflora (Walt.) Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. biflora Synonymy: Cynthia virginica (L.) D. Don, non Hyoseris virginica L. , Hyoseris biflora Walt. , Krigia biflora ssp. glandulifera (Fern.) Iltis

                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. viridis (Standl.) Kim Synonymy: Cynthia viridis Standl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    cespitosa (Raf.) Chambers Present in the Texas flora and known locally as: Weedy dwarf dandelion (Texas Distribution by vegetation zone) Synonymy: Krigia gracilis (DC.) Shinners , Krigia oppositifolia Raf. , Serinia oppositifolia (Raf.) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                    dandelion (L.) Nutt. Present in the Texas flora and known locally as: Tuber dwarf dandelion, potato-dandelion (Texas Distribution by vegetation zone) Synonymy: Cynthia dandelion (L.) DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    montana (Michx.) Nutt. Synonymy: Cynthia montana (Michx.) Standl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    occidentalis Nutt. Present in the Texas flora and known locally as: Western dwarf dandelion (Texas Distribution by vegetation zone) Synonymy: Cymbia occidentalis (Nutt.) Standl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    virginica (L.) Willd. Present in the Texas flora and known locally as: Carolina dwarf dandelion (Texas Distribution by vegetation zone) Synonymy: Hyoseris virginica L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                    wrightii (Gray) Chambers ex Kim

                                                                                                                                                                                                                                                                                                                                                                                                                                                    Lactuca L. - LETTUCE

                                                                                                                                                                                                                                                                                                                                                                                                                                                      biennis (Moench) Fern. Synonymy: Lactuca spicata auct. non (Lam.) A.S. Hitchc. , Lactuca spicata var. integrifolia (Torr. & Gray) Britt. , Mulgedium spicatum auct. non (Lam.) Small , Mulgedium spicatum var. integrifolium (Torr. & Gray) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                      canadensis L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. canadensis Present in the Texas flora and known locally as: Wild lettuce, Canada lettuce (Texas Distribution by vegetation zone) Synonymy: Lactuca canadensis var. integrifolia (Bigelow) Torr. & Gray , Lactuca canadensis var. typica Wieg. , Lactuca sagittifolia Ell.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. latifolia Kuntze Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. longifolia (Michx.) Farw.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. obovata Wieg. Synonymy: Lactuca steelei Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      floridana (L.) Gaertn. Present in the Texas flora and known locally as: Flordia lettuce (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. floridana Synonymy: Mulgedium floridanum (L.) DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. villosa (Jacq.) Cronq. Synonymy: Lactuca villosa Jacq. , Mulgedium villosum (Jacq.) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                      graminifolia Michx. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. arizonica McVaugh

                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. graminifolia

                                                                                                                                                                                                                                                                                                                                                                                                                                                      hirsuta Muhl. ex Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. albiflora (Torr. & Gray) Shinners Present in the Texas flora and known locally as: Hairy lettuce (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. hirsuta

                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. sanguinea (Bigelow) Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      ludoviciana (Nutt.) Riddell Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Lactuca campestris Greene , Lactuca campestris var. typica Wieg.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      X morssii B.L. Robins. (pro sp.) [biennis X canadensis]

                                                                                                                                                                                                                                                                                                                                                                                                                                                      saligna L. Synonymy: Lactuca saligna var. runcinata Gren. & Godr.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      sativa L. Synonymy: Lactuca scariola var. integrata Gren. & Godr. , Lactuca scariola var. integrifolia (Bogenh.) G. Beck

                                                                                                                                                                                                                                                                                                                                                                                                                                                      serriola L. Present in the Texas flora and known locally as: Prickly lettuce (Texas Distribution by vegetation zone) Synonymy: Lactuca scariola L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      tatarica (L.) C.A. Mey.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. pulchella (Pursh) Breitung Value out of range (bonout3 : 571) Value out of range (bonout3 : 573) Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Lactuca oblongifolia Nutt. , Lactuca pulchella (Pursh) DC. , Lactuca tatarica ssp. pulchella (Pursh) Stebbins , Lactuca tatarica var. heterophylla (Nutt.) Boivin , Sonchus tataricus L. p.p.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      terrae-novae Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      virosa L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                      Laennecia Cass. - MARSHTAIL

                                                                                                                                                                                                                                                                                                                                                                                                                                                        coulteri (Gray) Nesom Present in the Texas flora (treated as Conyza coulteri Gray by Hatch et al, 1990) and known locally as: Coutler conyza (Texas Distribution by vegetation zone) Synonymy: Conyza coulteri Gray , Eschenbachia coulteri (Gray) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        eriophylla (Gray) Nesom Synonymy: Conyza eriophylla (Gray) Cronq. , Erigeron eriophyllus Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                        schiedeana (Less.) Nesom Synonymy: Conyza schiedeana (Less.) Cronq. , Erigeron schiedeanus Less. , Leptilon integrifolium Woot. & Standl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        sophiifolia (Kunth) Nesom Present in the Texas flora (treated as Conyza sophiifolia Kunth in H.B.K. by Hatch et al, 1990) and known locally as: Leafy conyza (Texas Distribution by vegetation zone) Synonymy: Conyza coulteri var. tenuisecta Gray , Conyza sophiifolia Kunth , Eschenbachia tenuisecta (Gray) Woot. & Standl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                        Lagascea Cav. - DOLL'S-HEAD

                                                                                                                                                                                                                                                                                                                                                                                                                                                          decipiens Hemsl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          mollis Cav. Synonymy: Nocca mollis (Cav.) Jacq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                          Lagenifera Cass. - ISLAND-DAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                            erici Forbes Synonymy: Keysseria erici (Forbes) Cabrera

                                                                                                                                                                                                                                                                                                                                                                                                                                                            helenae Forbes & Lydgate Synonymy: Keysseria helenae (Forbes & Lydgate) Cabrera

                                                                                                                                                                                                                                                                                                                                                                                                                                                            maviensis Mann Synonymy: Keysseria lavandula St. John , Keysseria maviensis (Mann) Cabrera , Lagenophora viridis St. John

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Lagophylla Nutt. - HARELEAF AND RABBIT'S-FOOT

                                                                                                                                                                                                                                                                                                                                                                                                                                                              dichotoma Benth.

                                                                                                                                                                                                                                                                                                                                                                                                                                                              glandulosa Gray Synonymy: Lagophylla glandulosa ssp. serrata (Greene) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                              minor (Keck) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                              ramosissima Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. congesta (Greene) Keck Synonymy: Lagophylla congesta Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. ramosissima

                                                                                                                                                                                                                                                                                                                                                                                                                                                              Lapsana L. - NIPPLEWORT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                apogonoides Maxim.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                communis L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                Lasianthaea DC. - SAN PEDRO-DAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  podocephala (Gray) K. Becker Synonymy: Verbesina podocephala Gray , Zexmenia podocephala (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Lasthenia Cass. - GOLDFIELDS

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    burkei (Greene) Greene Listed by the U.S. FWS as endangered, the FWS local name is Burke's goldfields and the FWS range is: U.S.A. (CA). Listed on December 2, 1991 (Volume 56 Federal Register 61182).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    californica DC. ex Lindl. Synonymy: Baeria chrysostoma Fisch. & C.A. Mey. , Baeria chrysostoma ssp. gracilis (DC.) Ferris , Baeria chrysostoma ssp. hirsutula (Greene) Ferris , Baeria chrysostoma var. gracilis (DC.) Hall , Baeria hirsutula (Greene) Greene , Lasthenia chrysostoma (Fisch. & C.A. Mey.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    chrysantha (Greene ex Gray) Greene Synonymy: Crockeria chrysantha Greene ex Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    conjugens Greene Synonymy: Baeria fremontii var. conjugens (Greene) Ferris

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    coronaria (Nutt.) Ornduff Synonymy: Baeria californica (Hook.) Chambers

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    debilis (Greene ex Gray) Ornduff Synonymy: Baeria debilis Greene ex Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ferrisiae Ornduff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    fremontii (Torr. ex Gray) Greene Synonymy: Baeria fremontii (Torr. ex Gray) Gray , Baeria fremontii var. heterochaeta Hoover

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    glaberrima DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    glabrata Lindl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. coulteri (Gray) Ornduff Synonymy: Lasthenia glabrata var. coulteri Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. glabrata

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    leptalea (Gray) Ornduff Synonymy: Baeria leptalea (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    macrantha (Gray) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. bakeri (J.T. Howell) Ornduff Synonymy: Baeria bakeri J.T. Howell , Baeria macrantha var. bakeri (J.T. Howell) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. macrantha Synonymy: Baeria macrantha (Gray) Gray , Baeria macrantha var. pauciaristata Gray , Baeria macrantha var. thalassophila J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. prisca Ornduff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    maritima (Gray) Ornduff Synonymy: Baeria maritima Gray , Baeria minor ssp. maritima (Gray) Ferris , Lasthenia minor ssp. maritima (Gray) Ornduff , Lasthenia minor var. maritima (Gray) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    microglossa (DC.) Greene Synonymy: Baeria microglossa (DC.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    minor (DC.) Ornduff Synonymy: Baeria minor (DC.) Ferris , Baeria uliginosa (Nutt.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    platycarpha (Gray) Greene Synonymy: Baeria platycarpha (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Launaea Cass. - ACHICORIA-AZUL

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      intybacea (Jacq.) Beauv. Synonymy: Bracyrhamphus intybaceus (Jacq.) DC. , Lactuca intybacea Jacq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Layia Hook. & Arn. ex DC. - TIDYTIPS

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        carnosa (Nutt.) Torr. & Gray Listed by the U.S. FWS as endangered, the FWS local name is Beach layia and the FWS range is: U.S.A. (CA). Listed on June 22, 1992 (Volume 57 Federal Register 27858).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        chrysanthemoides (DC.) Gray Synonymy: Layia chrysanthemoides ssp. maritima Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        discoidea (Keck) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        fremontii (Torr. & Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        gaillardioides (Hook. & Arn.) DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        glandulosa (Hook.) Hook. & Arn. Synonymy: Layia glandulosa ssp. lutea Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        heterotricha (DC.) Hook. & Arn.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        hieracioides (DC.) Hook. & Arn. Synonymy: Layia paniculata Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        jonesii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        leucopappa Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        munzii Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        pentachaeta Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ssp. albida Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ssp. pentachaeta

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        platyglossa (Fisch. & C.A. Mey.) Gray Synonymy: Layia platyglossa ssp. campestris Keck , Layia platyglossa var. breviseta Gray , Layia ziegleri Munz

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        septentrionalis Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Leibnitzia Cass. - SEEMAN'S-SUNBONNETS

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          seemannii (Schultz-Bip.) Nesom Synonymy: Chaptalia alsophila Greene , Chaptalia leucocephala Greene , Chaptalia seemannii (Schultz-Bip.) Hemsl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Lembertia Greene - WOOLLYTHREAD

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            congdonii (Gray) Greene Listed by the U.S. FWS as endangered, the FWS local name is San Joaquin wooly-threads and the FWS range is: U.S.A. (CA). Listed on July 19, 1990 (Volume 55 Federal Register 29370). Synonymy: Eatonella congdonii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Leontodon L. - HAWKBIT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              autumnalis L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. autumnalis Synonymy: Apargia autumnalis (L.) Hoffmann

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. pratensis (Link) Arcang. Synonymy: Leontodon autumnalis var. pratensis (Link) W.D.J. Koch

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              hirtus L. Synonymy: Apargia nudicaulis (L.) Britt. , Leontodon nudicaulis (L.) Banks ex Schinz & R. Keller

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              hispidus L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. danubialis (Jacq.) Simonkai Synonymy: Leontodon danubialis Jacq. , Leontodon hastilis L. , Leontodon hastilis var. glabratus W.D.J. Koch , Leontodon hispidus var. glabratus (W.D.J. Koch) Bisch.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. hispidus Synonymy: Apargia hispida (L.) Willd. , Leontodon hastilis var. vulgaris W.D.J. Koch

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              taraxacoides (Vill.) Mérat

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. longirostris Finch & Sell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. taraxacoides Synonymy: Leontodon leysseri (Wallr.) G. Beck , Leontodon nudicaulis ssp. taraxacoides (Vill.) Schinz & Thellung

                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Lepidospartum (Gray) Gray - SCALEBROOM

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                burgessii B.L. Turner Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                latisquamum S. Wats.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                squamatum (Gray) Gray Synonymy: Lepidospartum squamatum var. palmeri (Gray) L.C. Wheeler

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Lessingia Cham. - VINEGAR-WEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  arachnoidea Greene Synonymy: Lessingia hololeuca var. arachnoidea (Greene) J.T. Howell , Lessingia micradenia var. arachnoidea (Greene) Ferris

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  filaginifolia (Hook. & Arn.) M.A. Lane

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. californica (DC.) M.A. Lane Synonymy: Corethrogyne californica DC. , Corethrogyne californica var. lyonii Blake , Corethrogyne californica var. obovata (Benth.) Kuntze , Corethrogyne obovata Benth.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. filaginifolia Synonymy: Corethrogyne filaginifolia (Hook. & Arn.) Nutt. , Corethrogyne filaginifolia var. bernardina (Abrams) Hall , Corethrogyne filaginifolia var. brevicula (Greene) Canby , Corethrogyne filaginifolia var. glomerata Hall , Corethrogyne filaginifolia var. hamiltonensis Keck , Corethrogyne filaginifolia var. incana (Nutt.) Canby , Corethrogyne filaginifolia var. latifolia Hall , Corethrogyne filaginifolia var. linifolia Hall , Corethrogyne filaginifolia var. peirsonii Canby , Corethrogyne filaginifolia var. pinetorum I.M. Johnston , Corethrogyne filaginifolia var. rigida Gray , Corethrogyne filaginifolia var. robusta Greene , Corethrogyne filaginifolia var. sessilis (Greene) Canby , Corethrogyne filaginifolia var. virgata (Benth.) Gray , Corethrogyne filaginifolia var. viscidula (Greene) Keck , Corethrogyne flagellaris Greene , Corethrogyne floccosa Greene , Corethrogyne incana Nutt. , Corethrogyne leucophylla (Lindl.) Jepson , Corethrogyne linifolia (Hall) Ferris , Corethrogyne scabra Greene , Corethrogyne sessilis Greene , Corethrogyne tomentella (Hook. & Arn.) Torr. & Gray , Corethrogyne viscidula Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  germanorum Cham.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  glandulifera Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. glandulifera Synonymy: Lessingia germanorum var. glandulifera (Gray) J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. pectinata (Greene) Jepson Synonymy: Lessingia germanorum var. pectinata (Greene) J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. tomentosa (Greene) Ferris Synonymy: Lessingia germanorum var. tomentosa (Greene) J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  hololeuca Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  lemmonii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. lemmonii Synonymy: Lessingia germanorum var. lemmonii (Gray) J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. peirsonii (J.T. Howell) Ferris Synonymy: Lessingia germanorum var. peirsonii J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. ramulosissima (A. Nels.) Ferris Synonymy: Lessingia germanorum var. ramulosissima (A. Nels.) J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  leptoclada Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  micradenia Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. glabrata (Keck) Ferris Synonymy: Lessingia ramulosa var. glabrata Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. micradenia Synonymy: Lessingia ramulosa var. micradenia (Greene) J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  nana Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  nemaclada Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. albiflora (Eastw.) J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. mendocina (Greene) J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. nemaclada

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  occidentalis (Hall) M.A. Lane Synonymy: Benitoa occidentalis (Hall) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ramulosa Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. adenophora (Greene) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. ramulosa

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  tenuis (Gray) Coville Synonymy: Lessingia germanorum var. parvula (Greene) J.T. Howell , Lessingia germanorum var. tenuis (Gray) J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  virgata Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. glomerata (Greene) J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. virgata

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Leucanthemella Tzvelev - GIANT-DAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    serotina (L.) Tzvelev Synonymy: Chrysanthemum serotinum L. , Leucanthemum serotinum (L.) Stankov , Tanacetum serotinum (L.) Schultz-Bip.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Leucanthemopsis (Giroux) Heywood - ALPINE-DAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      alpina (L.) Heywood Synonymy: Chrysanthemum alpinum L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Leucanthemum P. Mill. - OX-EYE-DAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        integrifolium (Richards.) DC. Synonymy: Chrysanthemum integrifolium Richards.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        lacustre (Brot.) Samp. Synonymy: Chrysanthemum lacustre Brot.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        maximum (Ramond) DC. Synonymy: Chrysanthemum maximum Ramond

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        nipponicum Franch. ex Maxim. Synonymy: Chrysanthemum nipponicum (Franch. ex Maxim.) Spreng.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        praecox (Harvatic) Harvatic Synonymy: Chrysanthemum ircutiana Turcz. , Leucanthemum ircutianum (Turcz.) DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        vulgare Lam. Value out of range (bonout3 : 571) Value out of range (bonout3 : 573) Present in the Texas flora (treated as Cchrysanthemum by Hatch et al, 1990) No Texas distribution data available Synonymy: Chrysanthemum leucanthemum L. , Chrysanthemum leucanthemum var. boecheri Boivin , Chrysanthemum leucanthemum var. pinnatifidum Lecoq & Lamotte , Leucanthemum leucanthemum (L.) Rydb. , Leucanthemum vulgare var. pinnatifidum (Lecoq & Lamotte) Moldenke

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Liatris Gaertn. ex Schreb. - GAYFEATHER

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          acidota Engelm. & Gray Present in the Texas flora and known locally as: Sharp gayfeather (Texas Distribution by vegetation zone) Synonymy: Lacinaria acidota (Engelm. & Gray) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          aspera Michx.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. aspera Present in the Texas flora and known locally as: Tall gayfeather, rough gayfeather (Texas Distribution by vegetation zone) Synonymy: Lacinaria aspera (Michx.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. intermedia (Lunell) Gaiser Synonymy: Lacinaria squarrosa var. intermedia (Lunell) DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. salutans (Lunell) Shinners Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          X boykinii Torr. & Gray (pro sp.) [elegans X tenuifolia] Synonymy: Lacinaria boykinii (Torr. & Gray) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          bracteata Gaiser Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          chapmanii Torr. & Gray Synonymy: Lacinaria chapmanii (Torr. & Gray) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          cokeri Pyne & Stucky Synonymy: Liatris regimontis auct. non (Small) K. Schum.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          X creditonensis Gaiser [ligulistylis X squarrosa]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          cylindracea Michx. Synonymy: Lacinaria cylindracea (Michx.) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          cymosa (H. Ness) K. Schum. Present in the Texas flora and known locally as: Branched gayfeather (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          densispicata (Bush) Gaiser

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. densispicata

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. interrupta Gaiser Synonymy: Liatris angustifolia (Bush) Gaiser

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          elegans (Walt.) Michx.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. carizzana Gaiser Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. elegans Present in the Texas flora and known locally as: Pinkscale gayfeather, handsome blazing-star (Texas Distribution by vegetation zone) Synonymy: Lacinaria elegans (Walt.) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. flabellata (Small) Gaiser Synonymy: Lacinaria flabellata Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          X fallacior (Lunell) Rydb. (pro sp.) [ligulistylis X punctata]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          X frostii Gaiser [aspera X pycnostachya]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          garberi Gray Synonymy: Lacinaria chlorolepis Small , Lacinaria garberi (Gray) Kuntze , Lacinaria nashii Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          X gladewitzii (Farw.) Farw. ex Shinners [cylindracea X spheroidea]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          gracilis Pursh Synonymy: Lacinaria gracilis (Pursh) Kuntze , Lacinaria laxa Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          helleri Porter Listed by the U.S. FWS as threatened - the FWS local name is Heller's blazingstar and the FWS range is: U.S.A. (NC). Synonymy: Lacinaria helleri (Porter) Porter ex Heller

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          lancifolia (Greene) Kittell Present in the Texas flora and known locally as: Gayfeather (Texas Distribution by vegetation zone) Synonymy: Lacinaria lancifolia Greene , Liatris kansana Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ligulistylis (A. Nels.) K. Schum. Synonymy: Lacinaria ligulistylis A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          microcephala (Small) K. Schum. Synonymy: Lacinaria microcephala Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          mucronata DC. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ohlingerae (Blake) B.L. Robins. Listed by the U.S. FWS as endangered, the FWS local name is Scrub blazingstar and the FWS range is: U.S.A. (FL). Listed on July 27, 1989 (Volume 54 Federal Register 31196). Synonymy: Ammopursus ohlingerae (Blake) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          pauciflora Pursh Synonymy: Lacinaria pauciflora (Pursh) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          pilosa (Ait.) Willd.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. elegantula (Greene) Kartesz, comb. nov. ined. Synonymy: Liatris graminifolia var. elegantula (Greene) K. Schum.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. lasia (Fern. & Grisc.) Kartesz, comb. nov. ined. Synonymy: Liatris graminifolia var. lasia Fern. & Grisc.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. pilosa Synonymy: Lacinaria graminifolia (Willd.) Kuntze , Lacinaria pilosa (Ait.) Heller , Liatris graminifolia Willd.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          provincialis Godfrey

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          punctata Hook.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. mexicana Gaiser

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. nebraskana Gaiser

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. punctata Present in the Texas flora and known locally as: Dotted gayfeather (Texas Distribution by vegetation zone) Synonymy: Lacinaria punctata (Hook.) Kuntze , Liatris punctata var. typica Gaiser

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          pycnostachya Michx.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. lasiophylla Shinners Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. pycnostachya Present in the Texas flora and known locally as: Kansas gayfeather, hairybutton snakeroot (Texas Distribution by vegetation zone) Synonymy: Lacinaria pycnostachya (Michx.) Kuntze , Liatris bebbiana Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          X ridgwayi Standl. [pycnostachya X squarrosa]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          scariosa (L.) Willd.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. nieuwlandii Lunell Synonymy: Liatris X nieuwlandii (Lunell) Gaiser , Liatris novae-angliae var. nieuwlandii (Lunell) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. novae-angliae Lunell Synonymy: Liatris borealis Nutt. , Liatris novae-angliae (Lunell) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. scariosa Synonymy: Lacinaria scariosa (L.) Hill

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. virginiana (Lunell) Gaiser

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          secunda Ell. Synonymy: Lacinaria secunda (Ell.) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          spheroidea Michx. Synonymy: Lacinaria aspera var. spheroidea (Michx.) Alexander

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          spicata (L.) Willd.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. racemosa DC. Synonymy: Liatris graminifolia var. dubia (W. Bart.) Gray , Liatris graminifolia var. racemosa (DC.) Venard

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. resinosa (Nutt.) Gaiser

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. spicata Synonymy: Lacinaria spicata (L.) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          squarrosa (L.) Michx.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. alabamensis (Alexander) Gaiser Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Liatris glabrata var. alabamensis (Alexander) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. compacta Torr. & Gray Synonymy: Liatris compacta (Torr. & Gray) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. glabrata (Rydb.) Gaiser Present in the Texas flora and known locally as: Smooth gayfeather (Texas Distribution by vegetation zone) Synonymy: Liatris glabrata Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. hirsuta (Rydb.) Gaiser Present in the Texas flora and known locally as: Hairy gayfeather (Texas Distribution by vegetation zone) Synonymy: Liatris hirsuta Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. squarrosa Synonymy: Lacinaria squarrosa (L.) Hill , Liatris squarrosa var. gracilenta Gaiser

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          squarrulosa Michx. Present in the Texas flora (treated as Liatris earlei (Walt.) K. Schum. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Lacinaria ruthii Alexander , Lacinaria shortii Alexander , Lacinaria tracyi Alexander , Liatris earlei (Greene) K. Schum. , Liatris scabra (Greene) K. Schum. , Liatris scariosa var. squarrulosa (Michx.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          X steelei Gaiser [aspera X spicata]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          tenuifolia Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. quadriflora Chapman Synonymy: Liatris laevigata (Nutt.) Small , Liatris tenuifolia var. laevigata (Nutt.) B.L. Robins.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. tenuifolia Synonymy: Lacinaria tenuifolia (Nutt.) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          tenuis Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          turgida Gaiser Synonymy: Lacinaria pilosa auct. non (Ait.) Heller

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          virgata Nutt. Synonymy: Lacinaria regimontis Small as to type , Lacinaria smallii Britt. , Liatris graminifolia var. smallii (Britt.) Fern. & Grisc. , Liatris graminifolia var. virgata (Nutt.) Fern. , Liatris regimontis (Small.) K. Schum. as to type

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          X weaveri Shinners [aspera X punctata]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Lindheimera Gray & Engelm. - YELLOWSTAR

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            texana Gray & Engelm. Present in the Texas flora and known locally as: Texas star, Yellow Texas star (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Lipochaeta DC. - NEHE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              bryanii Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              connata (Gaud.) DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. acris (Sherff) R.C. Gardner Synonymy: Lipochaeta acris Sherff , Lipochaeta connata var. lata St. John , Lipochaeta lobata var. incisior St. John

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. connata Synonymy: Lipochaeta alata Sherff , Lipochaeta alata var. acrior Sherff , Lipochaeta alata var. pulchrior Sherff , Lipochaeta profusa Sherff , Lipochaeta profusa var. robustior O. Deg. & Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              degeneri Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              fauriei Levl. Listed by the U.S. FWS as endangered, the FWS local name is Nehe and the FWS range is: U.S.A. (HI). Listed on February 25, 1994 (Volume 59 Federal Register 9327). Synonymy: Lipochaeta deltoidea St. John

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              heterophylla Gray Synonymy: Lipochaeta hastata Hbd. , Lipochaeta heterophylla var. molokaiensis Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              integrifolia (Nutt.) Gray Synonymy: Lipochaeta integrifolia var. argentea Sherff , Lipochaeta integrifolia var. gracilis Sherff , Lipochaeta integrifolia var. major Sherff , Lipochaeta integrifolia var. megacephala O. Deg. & Sherff , Lipochaeta porophila O.& I. Deg.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              kamolensis O. Deg. & Sherff Listed by the U.S. FWS as endangered, the FWS local name is Nehe and the FWS range is: U.S.A. (HI). Listed on May 15, 1992 (Volume 57 Federal Register 20787).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              lavarum (Gaud.) DC. Synonymy: Lipochaeta lavarum var. conferta Sherff , Lipochaeta lavarum var. hillebrandiana Sherff , Lipochaeta lavarum var. lanaiensis Sherff , Lipochaeta lavarum var. longifolia Sherff , Lipochaeta lavarum var. maneleana Sherff , Lipochaeta lavarum var. ovata Sherff , Lipochaeta lavarum var. salicifolia Sherff , Lipochaeta lavarum var. scaposa St. John , Lipochaeta lavarum var. skottsbergii Sherff , Lipochaeta lavarum var. stearnsii O. Deg. & Sherff , Lipochaeta molokiniensis St. John , Lipochaeta warshauerii St. John

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              lobata (Gaud.) DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. leptophylla O. Deg. & Sherff Listed by the U.S. FWS as endangered, the FWS local name is Nehe and the FWS range is: U.S.A. (HI). Listed on October 29, 1991 (Volume 56 Federal Register 55785).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. lobata Synonymy: Lipochaeta calycosa Gray , Lipochaeta christophersenii St. John , Lipochaeta garberi St. John , Lipochaeta kaenaensis St. John , Lipochaeta lobata var. albescens Sherff , Lipochaeta lobata var. aprevalliana (del Castillo) Sherff , Lipochaeta lobata var. denticulata (Wawra) Sherff , Lipochaeta lobata var. grossedentata O. Deg. & Sherff , Lipochaeta lobata var. hastulata (Hook. & Arn.) Sherff , Lipochaeta lobata var. hastulatoides O. Deg. & Sherff , Lipochaeta lobata var. hosakae St. John , Lipochaeta niihauensis St. John , Lipochaeta trilobata St. John , Lipochaeta vittata St. John

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              micrantha (Nutt.) Gray Listed by the U.S. FWS as endangered, the FWS local name is Nehe and the FWS range is: U.S.A. (HI). Listed on February 25, 1994 (Volume 59 Federal Register 9327).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. exigua (O. Deg. & Sherff) R.C. Gardner Synonymy: Lipochaeta exigua O. Deg. & Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. micrantha

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ovata R.C. Gardner

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              perdita Sherff Synonymy: Lipochaeta kawaihoaensis St. John

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              X procumbens O. Deg. & Sherff [integrifolia X lobata]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              remyi Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              rockii Sherff Synonymy: Lipochaeta elliptica St. John , Lipochaeta forbesii Sherff , Lipochaeta forbesii var. sherffii O. Deg. & Clay , Lipochaeta heterophylla var. malvacea O. Deg. & Sherff , Lipochaeta kahoolawensis Sherff , Lipochaeta lobata var. makenensis O. Deg. & Sherff , Lipochaeta lobata var. maunaloensis Sherff , Lipochaeta mauiensis St. John , Lipochaeta nesophila St. John , Lipochaeta rockii var. dissecta Sherff , Lipochaeta rockii var. parva St. John , Lipochaeta rockii var. subovata Sherff , Lipochaeta scabra St. John , Lipochaeta succulenta var. trifida Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              subcordata Gray Synonymy: Lipochaeta flexuosa del Castillo , Lipochaeta intermedia O. Deg. & Sherff , Lipochaeta populifolia (Sherff) R.C. Gardner , Lipochaeta subcordata var. membranacea Sherff , Lipochaeta subcordata var. populifolia Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              succulenta (Hook. & Arn.) DC. Synonymy: Lipochaeta connata var. decurrens Gray , Lipochaeta connata var. littoralis Hbd. , Lipochaeta lanceolata Nutt. , Lipochaeta robusta St. John , Lipochaeta succulenta var. angustata Sherff , Lipochaeta succulenta var. barclayi Sherff , Lipochaeta succulenta var. decurrens (Gray) Sherff , Lipochaeta variolosa Levl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              tenuifolia Gray Listed by the U.S. FWS as endangered, the FWS local name is Nehe and the FWS range is: U.S.A. (HI). Listed on October 29, 1991 (Volume 56 Federal Register 55785).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              tenuis O. Deg. & Sherff Synonymy: Lipochaeta dubia O. Deg. & Sherff , Lipochaeta minuscula O. Deg. & Sherff , Lipochaeta tenuis var. sellingii O. Deg. & Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              venosa Sherff Listed by the U.S. FWS as endangered. The FWS range of distribution is: U.S.A. (HI). Listed on October 30, 1979 (Volume 44 Federal Register 62469). Synonymy: Lipochaeta pinnatifida St. John , Lipochaeta setosa St. John

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              waimeaensis St. John Listed by the U.S. FWS as endangered, the FWS local name is Nehe and the FWS range is: U.S.A. (HI). Listed on February 25, 1994 (Volume 59 Federal Register 9327).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Luina Benth. - SILVERBACK

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                hypoleuca Benth.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                serpentina Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Lygodesmia D. Don - SKELETON-PLANT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  aphylla (Nutt.) DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  arizonica S. Tomb Synonymy: Lygodesmia grandiflora var. arizonica (S. Tomb) Welsh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  dianthopsis (Eat. ex King) S. Tomb Synonymy: Lygodesmia grandiflora var. dianthopsis (Eat. ex King) Welsh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  doloresensis S. Tomb Synonymy: Lygodesmia grandiflora var. doloresensis (S. Tomb) Welsh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  entrada Welsh & Goodrich Synonymy: Lygodesmia grandiflora var. entrada (Welsh & Goodrich) Welsh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  grandiflora (Nutt.) Torr. & Gray Synonymy: Erythremia grandiflora Nutt. , Lygodesmia grandiflora var. stricta Maguire

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  juncea (Pursh) D. Don ex Hook. Present in the Texas flora and known locally as: Rush skeletonplant (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ramosissima Greenm. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  texana (Torr. & Gray) Greene Present in the Texas flora and known locally as: Texas skeletonplant (Texas Distribution by vegetation zone) Synonymy: Lygodesmia aphylla var. texana Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Machaeranthera Nees - TANSY-ASTER

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    annua (Rydb.) Shinners Present in the Texas flora (treated as Haplopappus annus (Rydb.) R. Jackson by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Haplopappus annuus (Rydb.) Cory , Haplopappus phyllocephalus ssp. annuus (Rydb.) Hall , Haplopappus phyllocephalus var. annuus (Rydb.) Waterfall , Sideranthus annuus Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    arida B.L. Turner & Horne Synonymy: Machaeranthera ammophila Reveal , Machaeranthera arizonica Jackson & Johnston , Machaeranthera coulteri var. arida (B.L. Turner & Horne) B.L. Turner , Psilactis coulteri auct. p.p. non Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    aurea (Gray) Shinners Present in the Texas flora (treated as Haplopappus aurea Gray by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Haplopappus aureus Gray , Sideranthus aureus (Gray) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    bigelovii (Gray) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. bigelovii Synonymy: Aster aquifolius (Greene ex Woot. & Standl.) Blake , Aster bigelovii Gray , Aster pattersonii Gray , Aster rubrotinctus Blake , Machaeranthera aquifolia Greene ex Woot. & Standl. , Machaeranthera centaureoides Greene ex Woot. & Standl. , Machaeranthera pattersonii (Gray) Greene , Machaeranthera rubricaulis Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. commixta (Greene) B.L. Turner Synonymy: Machaeranthera canescens var. commixta (Greene) Welsh , Machaeranthera commixta Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. mucronata (Greene) B.L. Turner Synonymy: Aster adenolepis Blake , Machaeranthera mucronata Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    blephariphylla (Gray) Shinners Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Aster gymnocephalus auct. non (DC.) Gray , Haplopappus blephariphyllus Gray , Machaeranthera correllii Shinners , Machaeranthera gymnocephala auct. non (DC.) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    canescens (Pursh) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. canescens

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. ambigua B.L. Turner Synonymy: Machaeranthera angustifolia Woot. & Standl. , Machaeranthera oxylepis Greene , Machaeranthera scoparia Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. canescens Synonymy: Aster canescens Pursh , Aster canescens var. viscosus (Nutt.) Gray , Aster glossophyllus Piper , Aster leiodes Blake , Aster shastensis var. glossophyllus (Piper) Cronq. , Aster shastensis var. latifolius Cronq. , Dieteria canescens Nutt. , Dieteria divaricata Nutt. , Dieteria pulverulenta Nutt. , Dieteria viscosa Nutt. , Machaeranthera angustifolia Rydb., non Woot. & Standl. , Machaeranthera canescens var. latifolia (A. Nels.) Welsh, non Gray , Machaeranthera canescens var. monticola Dorn , Machaeranthera canescens var. viscosa (Nutt.) Piper , Machaeranthera divaricata (Nutt.) Greene , Machaeranthera glabella Greene ex Rydb. , Machaeranthera laetevirens Greene, non Aster laetevirens (Greene) Greene , Machaeranthera latifolia A. Nels. , Machaeranthera leptophylla Rydb. , Machaeranthera linearis Rydb., non Greene , Machaeranthera montana Greene , Machaeranthera paniculata A. Nels. , Machaeranthera pinosa Elmer , Machaeranthera pulverulenta (Nutt.) Greene , Machaeranthera ramosa A. Nels. , Machaeranthera selbyi Rydb. , Machaeranthera shastensis var. glossophylla (Piper) Cronq. & Keck , Machaeranthera shastensis var. latifolia (Cronq.) Cronq. & Keck , Machaeranthera shastensis var. montana (Greene) Cronq. & Keck , Machaeranthera spinulosa (Greene) Cory, non Amellus spinulosa Pursh , Machaeranthera subalpina Greene , Machaeranthera superba A. Nels. , Machaeranthera viscosa (Nutt.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. incana (Lindl.) Gray Synonymy: Aster attenuatus (T.J. Howell) M.E. Peck, non Lindl. ex Hook. , Aster tephrodes (Gray) Blake , Dieteria incana (Lindl.) Torr. & Gray , Diplopappus incanus Lindl. , Machaeranthera attenuata T.J. Howell , Machaeranthera canescens var. tephrodes Gray , Machaeranthera incana (Lindl.) Greene , Machaeranthera tephrodes (Gray) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. leucanthemifolia (Greene) Welsh Synonymy: Aster leucanthemifolius Greene , Machaeranthera hiemalis A. Nels. , Machaeranthera leucanthemifolia (Greene) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. sessiliflora (Nutt.) B.L. Turner Synonymy: Dieteria sessiliflora (Nutt.) Greene , Machaeranthera magna A. Nels. , Machaeranthera sessiliflora (Nutt.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. shastensis (Gray) B.L. Turner Synonymy: Aster inornatus Greene , Aster shastensis (Gray) Gray , Aster shastensis var. eradiatus Gray , Machaeranthera eradiata (Gray) T.J. Howell , Machaeranthera inops A. Nels. & J.F. Macbr. , Machaeranthera inops var. atrata A. Nels. & J.F. Macbr. , Machaeranthera inornata (Greene) Greene , Machaeranthera shastensis Gray , Machaeranthera shastensis var. eradiata (Gray) Cronq. & Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. ziegleri (Munz) B.L. Turner Synonymy: Machaeranthera canescens ssp. ziegleri Munz

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. glabra (Gray) B.L. Turner

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. aristata (Eastw.) B.L. Turner Synonymy: Aster canescens var. aristatus Eastw. , Aster cichoriaceus (Greene) Blake , Machaeranthera canescens var. vacans (A. Nels.) Welsh , Machaeranthera cichoriacea Greene , Machaeranthera pulverulenta var. vacans A. Nels. , Machaeranthera rigida Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. glabra Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Aster linearis (Greene) Cory , Machaeranthera canescens var. viridis Gray , Machaeranthera fremontii Rydb. , Machaeranthera linearis Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. nebraskana B.L. Turner

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    carnosa (Gray) Nesom Synonymy: Aster intricatus (Gray) Blake , Bigelovia intricata Gray , Leucosyris carnosa var. intricata (Gray) Cronq. , Linosyris carnosa Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    coloradoensis (Gray) Osterhout

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. brandegei (Rydb.) T.J. Wats. ex R.L. Hartman

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. coloradoensis Synonymy: Aster coloradoensis Gray , Eriocarpum coloradoense (Gray) Greene , Haplopappus coloradoensis (Gray) R.L. Hartman ex Dorn , Xylorhiza coloradoensis (Gray) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    gracilis (Nutt.) Shinners Present in the Texas flora (treated as Haplopappus gracilis (Nutt.) Gray by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Dieteria gracilis Nutt., non Aster gracilis Nutt. , Haplopappus gracilis (Nutt.) Gray , Haplopappus ravenii R.C. Jackson , Sideranthus gracilis (Nutt.) A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    grindelioides (Nutt.) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. depressa (Maguire) Cronq. & Keck Synonymy: Haplopappus nuttallii var. depressus Maguire

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. grindelioides Synonymy: Eriocarpum grindelioides Nutt. , Haplopappus nuttallii Torr. & Gray , Sideranthus grindelioides (Nutt.) Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    gypsitherma Nesom, Vorobik & Hartman Synonymy: Aster blepharophyllus Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    gypsophila B.L. Turner Present in the Texas flora, local name unknown. No Texas distribution data available

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    juncea (Greene) Shinners Synonymy: Haplopappus junceus Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    parviflora Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Aster parviflorus Gray, non Nees , Aster parvulus Blake , Machaeranthera pygmaea (Gray) Woot. & Standl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    phyllocephala (DC.) Shinners Present in the Texas flora (treated as Haplopappus phyllocephalus DC. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Eriocarpum megacephalum Nash , Haplopappus phyllocephalus DC. , Haplopappus phyllocephalus var. megacephalus (Nash) Waterfall , Machaeranthera phyllocephala var. megacephala (Nash) Shinners , Sideranthus megacephalus (Nash) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    pinnatifida (Hook.) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. gooddingii (A. Nels.) B.L. Turner & Hartman

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. gooddingii (A. Nels.) B.L. Turner & Hartman Synonymy: Haplopappus gooddingii (A. Nels.) Munz & Johnston , Haplopappus spinulosus var. gooddingii (A. Nels.) Blake , Sideranthus gooddingii A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. paradoxa B.L. Turner & Hartman Synonymy: Haplopappus spinulosus var. paradoxa (B.L. Turner & Hartman) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. pinnatifida

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. chihuahuana B.L. Turner & Hartman Present in the Texas flora (treated as Haplopappus spinulosus (Pursh) DC. var. chihuahuanus (B. Turner & Hartman) Gandhi by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Haplopappus spinulosus var. chihuahuanus (B.L. Turner & Hartman) Gandhi

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. glaberrima (Rydb.) B.L. Turner & Hartman Present in the Texas flora (treated as Haplopappus spinulosus (Pursh) DC. var. glaberrimus (Rydb.) Blake by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Haplopappus spinulosus ssp. glaberrimus (Rydb.) Hall , Haplopappus spinulosus var. glaberrimus (Rydb.) Blake , Sideranthus glaberrimus Rydb. , Sideranthus spinulosus var. glaberrimus (Rydb.) A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. pinnatifida Present in the Texas flora (treated as Haplopappus spinulosus (Pursh) DC. var. spinulosus by Hatch et al, 1990) and known locally as: (synonym continued) Machaeranthera pinnatifida var. scabrella (Greene) B. Turner & Hartman, M. texensis (R. Jackson) Shinners (Texas Distribution by vegetation zone) Synonymy: Amellus spinulosus Pursh, non Machaeranthera spinulosus Greene , Aster pinnatifidus (Hook.) Kuntze , Dieteria spinulosa (Pursh) Nutt. , Diplopappus pinnatifidus Hook. , Eriocarpum australe Greene , Eriocarpum spinulosum (Pursh) Greene , Eriocarpum wootonii Greene , Haplopappus coulteri Harvey & Gray ex Gray , Haplopappus spinulosus (Pursh) DC. , Haplopappus spinulosus ssp. australis (Greene) Hall , Haplopappus spinulosus ssp. cotulus (Small) Hall , Haplopappus spinulosus ssp. laevis (Woot. & Standl.) Hall , Haplopappus spinulosus var. canescens Gray , Haplopappus spinulosus var. glaber Gray , Haplopappus spinulosus var. turbinellus (Rydb.) Blake , Haplopappus texensis R.C. Jackson , Machaeranthera australis (Greene) Shinners , Machaeranthera laevis (Woot. & Standl.) Shinners , Machaeranthera pinnata (Nutt.) Shinners , Machaeranthera texensis (R.C. Jackson) Shinners , Sideranthus australis (Greene) Rydb. , Sideranthus cotula Small , Sideranthus laevis Woot. & Standl. , Sideranthus machaerantherus Small , Sideranthus puberulus Rydb. , Sideranthus spinulosus (Pursh) Sweet ex Rydb. , Sideranthus turbinellus Rydb. , Sideranthus wootonii (Greene) Standl. , Starkea pinnata Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    riparia (Kunth) A.G. Jones Synonymy: Aster riparius Kunth , Aster sonorae Gray , Machaeranthera sonorae (Gray) J. Stucky

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    tagetina Greene Synonymy: Aster tagetinus (Greene) Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    tanacetifolia (Kunth) Nees Present in the Texas flora and known locally as: Tansyleaf m., tahoka daisy (Texas Distribution by vegetation zone) Synonymy: Aster tanacetifolius Kunth , Machaeranthera coronopifolia (Nutt.) A. Nels. , Machaeranthera parthenium Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    viscida (Woot. & Standl.) R.L. Hartman Present in the Texas flora (treated as Haplopappus havardii Waterf. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Haplopappus havardii Waterfall , Machaeranthera havardii (Waterfall) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Madia Molina - TARPLANT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      anomala Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      bolanderi (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      citrigracilis Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      citriodora Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      doris-nilesiae T.W. & J.P. Nelson

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      elegans D. Don ex Lindl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ssp. densifolia (Greene) Keck Synonymy: Madia elegans var. densifolia (Greene) Jepson

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ssp. elegans

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ssp. vernalis Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ssp. wheeleri (Gray) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      exigua (Sm.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      glomerata Hook.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      gracilis (Sm.) Keck & J. Clausen ex Applegate Synonymy: Madia dissitiflora (Nutt.) Torr. & Gray , Madia gracilis ssp. collina Keck , Madia gracilis ssp. pilosa Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      hallii Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      madioides (Nutt.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      minima (Gray) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      nutans (Greene) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      radiata Kellogg

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      rammii Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      sativa Molina Synonymy: Madia capitata Nutt. , Madia sativa ssp. capitata (Nutt.) Piper , Madia sativa var. congesta Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      stebbinsii T.W. & J.P. Nelson

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      subspicata Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      yosemitana Parry ex Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Malacothrix DC. - DESERT-DANDELION

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        californica DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        clevelandii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        coulteri Harvey & Gray Synonymy: Malacothrix coulteri var. cognata Jepson , Zollikoferia elquiensis Phil.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        crispifolia W.S. Davis, sp. nov. ined.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        fendleri Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        floccifera (DC.) Blake Synonymy: Malacothrix obtusa Benth. , Malacothrix parviflora Benth. , Malacothrix senecioides Reiche , Senecio flocciferus DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        foliosa Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ssp. foliosa

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ssp. philbrickii W.S. Davis, ssp. nov. ined.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        glabrata (Gray ex D.C. Eat.) Gray Synonymy: Malacothrix californica var. glabrata Gray ex D.C. Eat.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        incana (Nutt.) Torr. & Gray Synonymy: Malacothrix incana var. succulenta (Elmer) E. Williams , Malacothrix succulenta Elmer

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        indecora Greene Synonymy: Malacothrix foliosa var. indecora (Greene) E. Williams

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        insularis Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        intermedia W.S. Davis, sp. nov. ined.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        phaeocarpa W.S. Davis

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        polycephala W.S. Davis, sp. nov. ined.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        saxatilis (Nutt.) Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. arachnoidea (McGregor) E. Williams Synonymy: Malacothrix arachnoidea McGregor

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. commutata (Torr. & Gray) Ferris

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. implicata (Eastw.) Hall Synonymy: Malacothrix implicata Eastw.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. saxatilis

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. tenuifolia (Nutt.) Gray Synonymy: Malacothrix altissima Greene , Malacothrix saxatilis var. altissima (Greene) Ferris , Malacothrix saxatilis var. tenuissima Munz , Malacothrix tenuifolia (Nutt.) Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        similis W.S. Davis & Raven

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        sonchoides (Nutt.) Torr. & Gray Synonymy: Leptoseris sonchoides Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        sonorae W.S. Davis & Raven

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        squalida Greene Synonymy: Malacothrix foliosa var. squalida (Greene) E. Williams , Malacothrix insularis var. squalida (Greene) Ferris

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        stebbinsii W.S. Davis & Raven Synonymy: Malacothrix clevelandii var. stebbinsii (W.S. Davis & Raven) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        torreyi Gray Synonymy: Malacothrix sonchoides var. torreyi (Gray) E. Williams

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Malperia S. Wats. - BROWNTURBANS

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          tenuis S. Wats.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Mantisalca Cass. - DAGGER-FLOWER

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            salmantica (L.) Briq. & Cavillier Synonymy: Centaurea salmantica L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Marshallia Schreb. - BARBARA'S-BUTTONS

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              caespitosa Nutt. ex DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. caespitosa Present in the Texas flora and known locally as: Seep m, barbara's-buttons (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. signata Beadle & F.E. Boynt. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              graminifolia (Walt.) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. cynanthera (Ell.) Beadle & F.E. Boynt. Present in the Texas flora (treated as Marshallia tenuifolia Raf. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Marshallia graminifolia ssp. tenuifolia (Raf.) L. Watson , Marshallia tenuifolia Raf.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. graminifolia Synonymy: Marshallia laciniarioides Small , Marshallia tenuifolia var. graminifolia (Walt.) Gandhi & Thomas , Marshallia williamsonii Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              grandiflora Beadle & F.E. Boynt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              mohrii Beadle & F.E. Boynt. Listed by the U.S. FWS as threatened - the FWS local name is Mohr's Barbara's buttons and the FWS range is: U.S.A. (AL, GA).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              obovata (Walt.) Beadle & F.E. Boynt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. obovata Synonymy: Marshallia obovata var. platyphylla (M.A. Curtis) Beadle & F.E. Boynt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. scaposa Channell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ramosa Beadle & F.E. Boynt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              trinervia (Walt.) Trel.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Matricaria L. - MAYWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                courrantiana DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                discoidea DC. Synonymy: Artemisia matricarioides auct. non Less. , Chamomilla suaveolens (Pursh) Rydb. , Lepidanthus suaveolens (Pursh) Nutt. , Lepidotheca suaveolens (Pursh) Nutt. , Matricaria matricarioides auct. non (Less.) Porter , Matricaria suaveolens (Pursh) Buch., non L. , Santolina suaveolens Pursh , Tanacetum suaveolens (Pursh) Hook.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                occidentalis Greene Synonymy: Chamomilla occidentalis (Greene) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                recutita L. Synonymy: Chamomilla chamomilla (L.) Rydb. , Chamomilla recutita (L.) Rauschert , Matricaria chamomilla L. 1755 & 1763, non 1753 , Matricaria chamomilla var. coronata (J. Gay) Coss. & Germ. , Matricaria suaveolens L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                suffruticosa (L.) Druce

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Megalodonta Greene - WATER-MARIGOLD

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  beckii (Torr. ex Spreng.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. beckii Synonymy: Bidens beckii Torr. ex Spreng.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. hendersonii Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. oregonensis Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Melampodium L. - BLACKFOOT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    cinereum DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. cinereum Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. hirtellum Stuessy Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. ramosissimum (DC.) Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    divaricatum (L.C. Rich.) DC. Synonymy: Dysodium divaricatum L.C. Rich.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    leucanthum Torr. & Gray Present in the Texas flora and known locally as: Plains blackfoot (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    longicorne Gray Present in the Texas flora, local name unknown. No Texas distribution data available

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    perfoliatum (Cav.) Kunth Synonymy: Alcina perfoliata Cav.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    sericeum Lag. Synonymy: Melampodium hispidum Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    strigosum Stuessy Present in the Texas flora and known locally as: Rough blackfoot (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Melanthera Rohr - SQUARESTEM

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      angustifolia A. Rich.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      aspera (Jacq.) Steud. ex Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. aspera Synonymy: Calea aspera Jacq. , Melanthera canescens (Kuntze) O.E. Schulz , Melanthera deltoidea Michx. , Melanthera montana O.E. Schulz

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. glabriuscula (Kuntze) J.C. Parks Synonymy: Melanthera calcicola Britt. , Melanthera confusa Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ligulata Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      nivea (L.) Small Synonymy: Bidens nivea L. , Melanthera carpenteri Small , Melanthera hastata Michx.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      parvifolia Small Synonymy: Melanthera radiata Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Micropus L. - COTTONWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        amphibola Gray Synonymy: Stylocline amphiloba (Gray) J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        californicus Fisch. & C.A. Mey.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. californicus

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. subvestitus Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        dasycarpa (Griseb.) Beauv.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Microseris D. Don - SILVERPUFFS

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          acuminata Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          bigelovii (Gray) Schultz-Bip.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          borealis (Bong.) Schultz-Bip. Synonymy: Apargidium boreale (Bong.) Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          campestris Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          douglasii (DC.) Schultz-Bip.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ssp. douglasii

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ssp. platycarpha (Gray) Chambers Synonymy: Microseris douglasii var. platycarpha (Gray) B.L. Turner

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ssp. tenella (Gray) Chambers

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          elegans Greene ex Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          howellii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          laciniata (Hook.) Schultz-Bip.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ssp. detlingii Chambers

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ssp. laciniata Synonymy: Scorzonella laciniata (Hook.) Schultz-Bip. , Scorzonella laciniata var. pratensis (Greene) Jepson , Scorzonella procera Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ssp. leptosepala (Nutt.) Chambers Synonymy: Scorzonella laciniata var. bolanderi (Gray) Jepson , Scorzonella leachiana M.E. Peck , Scorzonella leptosepala Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. siskiyouensis Chambers Synonymy: Microseris nutans ssp. siskiyouensis Chambers

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          nutans (Hook.) Schultz-Bip. Synonymy: Ptilocalais nutans (Hook.) Greene , Scorzonella nutans Hook. , Scorzonella nutans var. major (Gray) M.E. Peck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          paludosa (Greene) J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          sylvatica (Benth.) Schultz-Bip.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Mikania Willd. - HEMPVINE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            batatifolia DC. Synonymy: Willoughbya heterophylla Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            congesta DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            cordata (Burm. f.) B.L. Robins. Synonymy: Eupatorium cordatum Burm. f.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            cordifolia (L. f.) Willd. Present in the Texas flora, local name unknown. No Texas distribution data available Synonymy: Cacalia cordifolia L. f. , Willoughbya halei Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            fragilis Urban

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            micrantha Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            odoratissima Urban

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            pachyphylla Urban

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            porosa Urban

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            scandens (L.) Willd. Present in the Texas flora and known locally as: Climbing hempweed (Texas Distribution by vegetation zone) Synonymy: Mikania angulosa Raf. , Mikania batatifolia auct. non DC. , Mikania scandens var. pubescens (Nutt.) Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            stevensiana Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Monolopia DC. - FALSE TURTLEBACK

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              gracilens Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              lanceolata Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              major DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              stricta Crum

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Monoptilon Torr. & Gray - DESERTSTAR

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                bellidiforme Torr. & Gray ex Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                bellioides (Gray) Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Montanoa Llave & Lex. - TREEDAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  hibiscifolia (Benth.) Standl. Synonymy: Montagnaea hibiscifolia Benth.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Mycelis Cass. - WALL-LETTUCE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    muralis (L.) Dumort. Synonymy: Lactuca muralis (L.) Fresen.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Neurolaena R. Br. - SEPI

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      lobata (L.) Cass. Synonymy: Conyza lobata L. , Pluchea symphytifolia (P. Mill.) Gillis

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Nicolletia Gray - HOLE-IN-THE-SAND-PLANT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        edwardsii Gray Present in the Texas flora and known locally as: Edwards nicolletia (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        occidentalis Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Nothocalais (Gray) Greene - PRAIRIE-DANDELION

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          alpestris (Gray) Chambers Synonymy: Agoseris alpestris (Gray) Greene , Agoseris barbellulata (Greene ex Gray) Greene , Microseris alpestris (Gray) Q. Jones ex Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          cuspidata (Pursh) Greene Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Agoseris cuspidata (Pursh) Raf. , Microseris cuspidata (Pursh) Schultz-Bip.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          nigrescens (Henderson) Heller Synonymy: Microseris nigrescens Henderson

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          troximoides (Gray) Greene Synonymy: Microseris troximoides Gray , Scorzonella troximoides (Gray) Jepson

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Oclemena Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            acuminata (Michx.) Greene Synonymy: Aster acuminatus Michx. , Aster acuminatus var. magdalenensis Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            X blakei (Porter) Nesom [acuminata X nemoralis] Synonymy: Aster blakei (Porter) House

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            nemoralis (Ait.) Greene Synonymy: Aster nemoralis Ait.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            reticulata (Pursh) Nesom Synonymy: Aster reticulatus Pursh , Doellingeria reticulata (Pursh) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Oligoneuron Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              album (Nutt.) Nesom Synonymy: Aster ptarmicoides (Nees) Torr. & Gray , Aster ptarmicoides var. georgianus Gray , Doellingeria ptarmicoides Nees , Inula alba Nutt. , Solidago ptarmicoides (Nees) Boivin , Unamia alba (Nutt.) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              X bernardii (Boivin) Nesom [album X riddellii] Synonymy: Solidago X bernardii Boivin

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              houghtonii (Torr. & Gray ex Gray) Nesom Listed by the U.S. FWS as threatened - the FWS local name is Houghton's goldenrod and the FWS range is: U.S.A. (MI), Canada (Ont.). Treated by the FWS as Solidago houghtonii. Synonymy: Solidago houghtonii Torr. & Gray ex Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              X krotkovii (Boivin) Nesom [album X ohioensis] Synonymy: Solidago X krotkovii Boivin

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              X lutescens (Lindl. ex DC.) Nesom [album X rigidum] Synonymy: Aster lutescens (Lindl. ex DC.) Torr. & Gray , Aster ptarmicoides var. lutescens (Lindl. ex DC.) Gray , Diplopappus lutescens Lindl. ex DC. , Solidago X lutescens (Lindl. ex DC.) Boivin , Unamia lutescens (Lindl. ex DC.) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              X maheuxii (Boivin) Nesom [riddellii X rigidum] Synonymy: Solidago X maheuxii Boivin

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ohioense (Riddell) Nesom Synonymy: Solidago ohioensis Riddell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              riddellii (Frank ex Riddell) Nesom Synonymy: Solidago riddellii Frank ex Riddell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              rigidum (L.) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. glabratum (E.L. Braun) Nesom Synonymy: Oligoneuron jacksonii (Kuntze) Small , Solidago corymbosa Ell. , Solidago jacksonii (Kuntze) Fern. , Solidago rigida ssp. glabrata (E.L. Braun) Heard & Semple , Solidago rigida var. glabrata E.L. Braun , Solidago rigida var. laevicaulis Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. humile (Porter) Nesom Synonymy: Oligoneuron canescens Rydb. , Oligoneuron corymbosum var. humile (Porter) Beaudry & Kapoor , Solidago canescens (Rydb.) Friesner , Solidago jacksonii var. humilis (Porter) Beaudry , Solidago parvirigida Beaudry , Solidago rigida ssp. humilis (Porter) Heard & Semple , Solidago rigida var. humilis Porter

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. rigidum Present in the Texas flora (treated as Solidago rigida L. by Hatch et al, 1990) and known locally as: Stiff goldenrod (Texas Distribution by vegetation zone) Synonymy: Oligoneuron grandiflorum (Raf.) Small , Solidago grandiflora Raf. , Solidago rigida L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Omalotheca Cass. - ARCTIC-CUDWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                norvegica (Gunn.) Schultz-Bip. & F.W. Schultz Synonymy: Gnaphalium norvegicum Gunn.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                supina (L.) DC. Synonymy: Gnaphalium supinum L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                sylvatica (L.) Schultz-Bip. & F.W. Schultz Synonymy: Gnaphalium sylvaticum L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Onopordum L. - COTTON-THISTLE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  acanthium L. Present in the Texas flora and known locally as: Scotch thistle (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  illyricum L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  tauricum Willd.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Oonopsis Nutt. - FALSE GOLDENWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    engelmannii (Gray) Greene Synonymy: Haplopappus engelmannii (Gray) Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    foliosa (Gray) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. foliosa Synonymy: Haplopappus fremontii (Gray) Greene , Haplopappus fremontii ssp. typicus Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. monocephala (A. Nels.) Kartesz & Gandhi Synonymy: Haplopappus fremontii ssp. monocephalus (A. Nels.) Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    multicaulis (Nutt.) Greene Synonymy: Haplopappus multicaulis (Nutt.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    wardii (Gray) Greene Synonymy: Haplopappus fremontii ssp. wardii (Gray) Hall , Haplopappus wardii (Gray) Dorn

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Oreostemma Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      alpigenum (Torr. & Gray) Nesom

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. alpigenum Synonymy: Aster alpigenus (Torr. & Gray) Gray , Haplopappus alpigenus Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. andersonii (Gray) Nesom Synonymy: Aster alpigenus ssp. andersonii (Gray) Onno , Aster alpigenus var. andersonii (Gray) Onno ex M.E. Peck , Aster andersonii (Gray) Gray , Erigeron andersonii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. haydenii (Porter) Nesom Synonymy: Aster alpigenus ssp. haydenii (Porter) Cronq. , Aster alpigenus var. haydenii (Porter) Cronq. , Aster haydenii Porter

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      elatum (Greene) Greene Synonymy: Aster elatus (Greene) Cronq. , Oreastrum elatum Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      peirsonii (C.W. Sharsmith) Nesom Synonymy: Aster peirsonii C.W. Sharsmith

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Orochaenactis Coville - MOUNTAIN-PINCUSHION

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        thysanocarpha (Gray) Coville

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Osmadenia Nutt. - FALSE ROSINWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          tenella Nutt. Synonymy: Calycadenia tenella (Nutt.) Torr. & Gray , Hemizonia tenella (Nutt.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Osteospermum L. - DAISYBUSH

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            calendulaceum L. f.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ecklonis (DC.) Norl. Synonymy: Dimorphotheca ecklonis DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            sinuatum (DC.) Norl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Palafoxia Lag. - PALAFOX

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              arida B.L. Turner & Morris

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. arida

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. gigantea (M.E. Jones) B.L. Turner & Morris Synonymy: Palafoxia linearis var. gigantea M.E. Jones

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              callosa (Nutt.) Torr. & Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Othake callosa (Nutt.) Bush , Palafoxia callosa var. bella (Cory) Shinners , Polypteris callosa (Nutt.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              feayi Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              hookeriana Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. hookeriana Present in the Texas flora and known locally as: Showy palafoxia (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. minor Shinners Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              integrifolia (Nutt.) Torr. & Gray Synonymy: Polypteris integrifolia Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              reverchonii (Bush) Cory Present in the Texas flora and known locally as: Reverchon palafoxia (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              riograndensis Cory Present in the Texas flora and known locally as: Rio Grande palafoxia (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              rosea (Bush) Cory

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. macrolepis (Rydb.) B.L. Turner & Morris Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Palafoxia macrolepis (Rydb.) Cory , Palafoxia texana var. macrolepis (Rydb.) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. rosea Present in the Texas flora and known locally as: Rose palafoxia (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              sphacelata (Nutt. ex Torr.) Cory Present in the Texas flora and known locally as: Rayed palafoxia (Texas Distribution by vegetation zone) Synonymy: Othake sphacelata (Nutt. ex Torr.) Rydb. , Polypteris sphacelata (Nutt. ex Torr.) Trel.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              texana DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. ambigua (Shinners) B.L. Turner & Morris Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Palafoxia rosea var. ambigua Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. texana Present in the Texas flora and known locally as: Texas palafoxia (Texas Distribution by vegetation zone) Synonymy: Palafoxia rosea var. papposa Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Parthenice Gray - MONSTERWORT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                mollis Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Parthenium L. - FEVERFEW

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  alpinum (Nutt.) Torr. & Gray Synonymy: Bolophyta alpina Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  argentatum Gray Present in the Texas flora and known locally as: Guayule parthenium (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  confertum Gray Present in the Texas flora and known locally as: Lyreleaf parthenium (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. confertum

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. divaricatum Rollins

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. intermedium Mears, var. nov. ined.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. lyratum (Gray) Rollins Synonymy: Parthenium hysterophorus var. lyratum Gray , Parthenium lyratum (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. microcephalum Rollins

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  hysterophorus L. Present in the Texas flora and known locally as: Ragweed parthenium, false ragweed, Santa Maria, feverfew (Texas Distribution by vegetation zone) Synonymy: Parthenium lobatum Buckl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  incanum Kunth Present in the Texas flora and known locally as: Mariola parthenium (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  integrifolium L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. auriculatum (Britt.) Cornelius ex Cronq. Synonymy: Parthenium auriculatum Britt. , Parthenium hispidum var. auriculatum (Britt.) Rollins

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. henryanum Mears

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. hispidum (Raf.) Mears Present in the Texas flora and known locally as: Feverfew (Texas Distribution by vegetation zone) Synonymy: Parthenium hispidum Raf. , Parthenium repens Eggert

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. integrifolium

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. mabryanum Mears Synonymy: Parthenium radfordii Mears

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ligulatum (M.E. Jones) Barneby Synonymy: Bolophyta ligulata (M.E. Jones) W.A. Weber , Parthenium alpinum var. ligulatum M.E. Jones

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  tetraneuris Barneby Synonymy: Bolophyta tetraneuris (Barneby) W.A. Weber , Parthenium alpinum var. tetraneuris (Barneby) Rollins

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pascalia Ortega

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    glauca Ortega Synonymy: Wedelia glauca (Ortega) Hoffmann ex Hicken

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Pectis L. - CINCHWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      angustifolia Torr.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. angustifolia Present in the Texas flora and known locally as: Crownseed pectis (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. fastigiata (Gray) Keil Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Pectis texana Cory

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. tenella (DC.) Keil Present in the Texas flora and known locally as: Low pectis, limoncillo (Texas Distribution by vegetation zone) Synonymy: Pectis tenella DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      carthusianorum Less.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ciliaris L. Synonymy: Pectis portoricensis Urban

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      cylindrica (Fern.) Rydb. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Pectis postrata var. cylindrica Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      elongata Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. floribunda (A. Rich.) Keil Synonymy: Pectis floribunda A. Rich.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      filipes Harvey & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. subnuda Fern. Present in the Texas flora, local name unknown. No Texas distribution data available

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      X floridana Keil [glaucescens X prostrata]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      glaucescens (Cass.) Keil Synonymy: Chthonia glaucescens Cass. , Pectis leptocephala (Cass.) Urban

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      humifusa Sw.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      imberbis Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      linearifolia Urban

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      linearis Llave Synonymy: Pectis febrifuga van Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      linifolia L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      longipes Gray Present in the Texas flora and known locally as: Longstalk pectis (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      papposa Harvey & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. grandis Keil Present in the Texas flora and known locally as: Many bristle pectis (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. papposa Present in the Texas flora, local name unknown. No Texas distribution data available

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      prostrata Cav. Present in the Texas flora and known locally as: Creeping pectis (Texas Distribution by vegetation zone) Synonymy: Pectis multisetosa Rydb. , Pectis prostrata var. urceolata Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      rusbyi Greene ex Gray Synonymy: Pectis palmeri S. Wats.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      tenuicaulis Urban

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Pentachaeta Nutt. - PYGMY-DAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        alsinoides Greene Synonymy: Chaetopappa alsinoides (Greene) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        aurea Nutt. Synonymy: Chaetopappa aurea (Nutt.) Keck , Pentachaeta orcuttii Gray , Pentachaeta paleacea Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        bellidiflora Greene Listed by the U.S. FWS as endangered, the FWS local name is White-rayed pentachaeta and the FWS range is: U.S.A. (CA). Synonymy: Chaetopappa bellidiflora (Greene) Keck , Pentachaeta exilis var. grayi Jepson

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        exilis (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ssp. aeolica Van Horn & Ornduff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ssp. exilis Synonymy: Aphantochaeta exilis Gray , Chaetopappa exilis (Gray) Keck , Pentachaeta aphantochaeta Greene , Pentachaeta exilis var. aphantochaeta Gray , Pentachaeta exilis var. discoidea Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        fragilis Brandeg. Synonymy: Chaetopappa fragilis (Brandeg.) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        lyonii Gray Synonymy: Chaetopappa lyonii (Gray) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Pentzia Thunb. - SHEEPBUSH

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          incana (Thunb.) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Pericome Gray - LEAFTAIL

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            caudata Gray Present in the Texas flora and known locally as: Tailleaf pericome (Texas Distribution by vegetation zone) Synonymy: Pericome caudata var. glandulosa (Goodman) Harrington

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Perityle Benth. - ROCKDAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              aglossa Gray Present in the Texas flora and known locally as: Rayless perityle (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ajoensis T.K. Todsen

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              angustifolia (Gray) Shinners Present in the Texas flora and known locally as: Rayless rockdaisy (Texas Distribution by vegetation zone) Synonymy: Laphamia angustifolia Gray , Laphamia angustifolia ssp. laciniata (Gray) Niles

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ambrosiifolia Greene ex A.M. Powell & S.C. Yarborough

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              bisetosa (Torr. ex Gray) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. appressa A. Powell Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. bisetosa Present in the Texas flora and known locally as: Twobristle perityle (Texas Distribution by vegetation zone) Synonymy: Laphamia bisetosa Torr. ex Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. scalaris A. Powell Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              californica Benth. Synonymy: Perityle plumigera Harvey & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              cernua (Greene) Shinners Synonymy: Laphamia cernua Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ciliata (L.H. Dewey) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              cinerea (Gray) A. Powell Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Laphamia cinerea Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              cochisensis (Niles) A. Powell Synonymy: Laphamia cochisensis Niles

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              congesta (M.E. Jones) Shinners Synonymy: Laphamia congesta M.E. Jones

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              coronopifolia Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              dissecta (Torr.) Gray Present in the Texas flora and known locally as: Slimlobe rockdaisy (Texas Distribution by vegetation zone) Synonymy: Laphamia dissecta Torr.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              emoryi Torr. Synonymy: Perityle emoryi var. nuda (Torr.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              fosteri A. Powell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              gilensis (M.E. Jones) J.F. Macbr.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. gilensis Synonymy: Laphamia gilensis M.E. Jones , Laphamia gilensis ssp. longilobus Niles

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. salensis A. Powell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              gracilis (M.E. Jones) Rydb. Synonymy: Laphamia fastigiata Brandeg. , Laphamia gracilis M.E. Jones , Perityle fastigiata (Brandeg.) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              huecoensis A. Powell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              inyoensis (Ferris) A. Powell Synonymy: Laphamia inyoensis Ferris

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              lemmonii (Gray) J.F. Macbr.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              lindheimeri (Gray) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. halimifolia (Gray) A. Powell Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Laphamia halimifolia Gray , Perityle halimifolia (Gray) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. lindheimeri Present in the Texas flora and known locally as: Lindheimer rockdaisy (Texas Distribution by vegetation zone) Synonymy: Laphamia halimifolia ssp. lindheimeri (Gray) Niles , Laphamia rotundata Rydb. , Perityle rotundata (Rydb.) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              megalocephala (S. Wats.) J.F. Macbr.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. intricata (Brandeg.) A. Powell Synonymy: Laphamia intricata Brandeg. , Laphamia megalocephala ssp. intricata (Brandeg.) Keck , Perityle intricata (Brandeg.) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. megalocephala Synonymy: Laphamia megalocephala S. Wats.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. oligophylla A. Powell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              microglossa Benth.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. microglossa Present in the Texas flora and known locally as: Shortray perityle, mazanilla bronca (Texas Distribution by vegetation zone) Synonymy: Perityle spilanthoides (Schultz-Bip.) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              parryi Gray Present in the Texas flora and known locally as: Heartleaf perityle (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              quinqueflora (Steyermark) Shinners Present in the Texas flora and known locally as: Five-flower rockdaisy (Texas Distribution by vegetation zone) Synonymy: Laphamia quinqueflora Steyermark

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              rupestris (Gray) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. albiflora A. Powell Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. rupestris Present in the Texas flora and known locally as: Leafy perityle (Texas Distribution by vegetation zone) Synonymy: Laphamia rupestris Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              saxicola (Eastw.) Shinners Synonymy: Laphamia saxicola Eastw.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              specuicola Welsh & Neese

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              stansburii (Gray) J.F. Macbr. Synonymy: Laphamia stansburii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              staurophylla (Barneby) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. homoflora T.K. Todsen

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. staurophylla Synonymy: Laphamia staurophylla Barneby

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              tenella (M.E. Jones) J.F. Macbr. Synonymy: Laphamia palmeri Gray , Laphamia palmeri var. tenella M.E. Jones

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              vaseyi Coult. Present in the Texas flora and known locally as: Margined perityle (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              villosa (Blake) Shinners Synonymy: Laphamia villosa Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              vitreomontana Warnock Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              warnockii A. Powell Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Petasites P. Mill. - SWEET-COLT'S-FOOT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                frigidus (L.) Fries

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  var. frigidus Synonymy: Petasites alaskanus Rydb. , Petasites corymbosus (R. Br.) Rydb. , Petasites frigidus var. corymbosus (R. Br.) Cronq. , Petasites frigidus var. hyperboreoides Hultén , Petasites gracilis Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  var. nivalis (Greene) Cronq. Synonymy: Petasites frigidus ssp. nivalis (Greene) Cody , Petasites hyperboreus Rydb. , Petasites nivalis Greene , Petasites palmatus var. frigidus Macoun

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  var. palmatus (Ait.) Cronq. Synonymy: Nardosmia arctica (Porsild) A.& D. Löve , Petasites arcticus Porsild , Petasites frigidus ssp. arcticus (Porsild) Cody , Petasites frigidus ssp. palmatus (Ait.) Cody , Petasites hookerianus (Nutt.) Rydb. , Petasites palmatus (Ait.) Gray , Petasites speciosus (Nutt.) Piper

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                hybridus (L.) P.G. Gaertn., B. Mey. & Scherb. Synonymy: Petasites officinalis Moench , Petasites vulgaris Hill

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                japonicus (Sieb. & Zucc.) Maxim. Synonymy: Nardosmia japonica Sieb. & Zucc.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                sagittatus (Banks ex Pursh) Gray Synonymy: Petasites dentatus Blank.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                X vitifolius Greene (pro sp.) [frigidus X sagittatus] Synonymy: Nardosmia vitifolia (Greene) A.& D. Löve , Petasites nivalis ssp. vitifolius (Greene) Toman , Petasites trigonophylla Greene , Petasites warrenii St. John

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Petradoria Greene - ROCK-GOLDENROD

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  pumila (Nutt.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. graminea (Woot. & Standl.) L.C. Anders. Synonymy: Petradoria pumila var. graminea (Woot. & Standl.) Welsh , Solidago graminea (Woot. & Standl.) Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. pumila Synonymy: Solidago petradoria Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Peucephyllum Gray - PYGMY-CEDAR

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    schottii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Phalacroseris Gray - MOCK DANDELION

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      bolanderi Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. bolanderi

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. coronata Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Phoebanthus Blake - FALSE SUNFLOWER

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        grandiflorus (Torr. & Gray) Blake Synonymy: Helianthella grandiflora Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        tenuifolius (Torr. & Gray) Blake Synonymy: Helianthella tenuifolia Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Picradeniopsis Rydb. ex Britt. - FALSE BAHIA

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          oppositifolia (Nutt.) Rydb. ex Britt. Synonymy: Bahia oppositifolia (Nutt.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          woodhousei (Gray) Rydb. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Bahia woodhousei (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Picris L. - OXTONGUE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            echioides L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            hieracioides L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ssp. hieracioides

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. alpina Koidzumi

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. hieracioides

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ssp. kamtschatica (Ledeb.) Hultén Synonymy: Picris kamtschatica Ledeb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            pauciflora Willd.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            sprengeriana (L.) Poir.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Pinaropappus Less. - ROCK-LETTUCE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              parvus Blake Present in the Texas flora and known locally as: Small rock-lettuce (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              roseus (Less.) Less. Present in the Texas flora and known locally as: White rock-lettuce (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. foliosus (Heller) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. roseus Synonymy: Achyrophorus roseus Less.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Piptocarpha R. Br. - ASHDAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                tetrantha Urban

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Piptocoma Cass. - VELVETSHRUB

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  antillana Urban Synonymy: Piptocoma rufescens auct. non Cass.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pityopsis Nutt. - SILK-GRASS

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    adenolepis (Fern.) Semple Synonymy: Chrysopsis adenolepis Fern. , Heterotheca adenolepis (Fern.) Ahles

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    aspera (Shuttlw. ex Small) Small Synonymy: Chrysopsis aspera Shuttlw. ex Small , Chrysopsis graminifolia var. aspera (Shuttlw. ex Small) Gray , Heterotheca aspera (Shuttlw. ex Small) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    falcata (Pursh) Nutt. Synonymy: Chrysopsis falcata (Pursh) Ell. , Heterotheca falcata (Pursh) Harms

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    flexuosa (Nash) Small Synonymy: Chrysopsis flexuosa Nash , Heterotheca flexuosa (Nash) Harms

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    graminifolia (Michx.) Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. aequilifolia Bowers & Semple

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. graminifolia Present in the Texas flora (treated as Heterotheca graminifolia (Michx.) Shinners var. graminifolia by Hatch et al, 1990) and known locally as: Silk-grass (Texas Distribution by vegetation zone) Synonymy: Chrysopsis graminifolia (Michx.) Ell. , Chrysopsis nervosa (Willd.) Fern. , Heterotheca correllii (Fern.) Ahles , Heterotheca graminifolia (Michx.) Shinners , Heterotheca nervosa (Willd.) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. latifolia (Fern.) Semple & Bowers Synonymy: Chrysopsis graminifolia var. latifolia Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. tenuifolia (Torr.) Semple & Bowers Present in the Texas flora (treated as Heterotheca graminifolia (Michx.) Shinners var. microcephala (Small) Gandhi & Thomas by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Chrysopsis graminifolia var. microcephala (Small) Cronq. , Chrysopsis microcephala Small , Heterotheca graminifolia var. tenuifolia (Torr.) Gandhi & Thomas , Heterotheca microcephala (Small) Shinners , Heterotheca nervosa var. microcephala (Small) Shinners ex Ahles , Pityopsis graminifolia var. microcephala (Small) Semple , Pityopsis microcephala (Small) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. tracyi (Small) Semple Synonymy: Chrysopsis tracyi Small , Heterotheca graminifolia var. tracyi (Small) R.W. Long , Pityopsis tracyi (Small) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    oligantha (Chapman ex Torr. & Gray) Small Present in the Texas flora (treated as Heterotheca oligantha (Chapm.) Harms by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Chrysopsis oligantha Chapman ex Torr. & Gray , Heterotheca oligantha (Chapman ex Torr. & Gray) Harms

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    pinifolia (Ell.) Nutt. Synonymy: Chrysopsis pinifolia Ell. , Heterotheca pinifolia (Ell.) Ahles

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ruthii (Small) Small Listed by the U.S. FWS as endangered, the FWS local name is Ruth's golden aster and the FWS range is: U.S.A. (TN). Listed on July 18, 1985 (Volume 50 Federal Register 29344). Synonymy: Chrysopsis ruthii Small , Heterotheca ruthii (Small) Harms

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Platyschkuhria Rydb. - BASIN-DAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      integrifolia (Gray) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. desertorum (M.E. Jones) W. Ellison Synonymy: Bahia nudicaulis var. desertorum (M.E. Jones) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. integrifolia Synonymy: Bahia nudicaulis Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. oblongifolia (Gray) W. Ellison Synonymy: Bahia nudicaulis var. oblongifolia (Gray) Cronq. , Bahia oblongifolia (Gray) Gray , Platyschkuhria oblongifolia (Gray) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. ourolepis (Blake) W. Ellison Synonymy: Bahia nudicaulis var. ourolepis (Blake) Cronq. , Bahia ourolepis Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Pleurocoronis King & H.E. Robins. - ARROWLEAF

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        pluriseta (Gray) King & H.E. Robins. Synonymy: Hofmeisteria pluriseta Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Pluchea Cass. - CAMPHORWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          camphorata (L.) DC. Present in the Texas flora and known locally as: Camphor pluchea, camphorweed (Texas Distribution by vegetation zone) Synonymy: Pluchea petiolata Cass. , Pluchea viscida (Raf.) House

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          carolinensis (Jacq.) G. Don Present in the Texas flora (treated as Pluchea odorata (L.) Cass. by Hatch et al, 1990) and known locally as: Purple pluchea (Texas Distribution by vegetation zone) Synonymy: Conyza carolinensis Jacq. , Conyza cortesii Kunth , Pluchea cortesii (Kunth) DC. , Pluchea X fosbergii Cooperrider & Galang , Pluchea odorata auct. non (L.) Cass. , Pluchea symphytifolia auct. non Gillis, non Conyza symphytifolia P. Mill.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          foetida (L.) DC. Present in the Texas flora and known locally as: Stinking pluchea, stinking-fleabane (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. foetida Synonymy: Pluchea tenuifolia Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. imbricata Kearney Synonymy: Pluchea imbricata (Kearney) Nash

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          indica (L.) Less.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          longifolia Nash

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          odorata (L.) Cass.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. odorata Synonymy: Conyza odorata L. , Pluchea purpurascens (Sw.) DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. succulenta (Fern.) Cronq. Synonymy: Pluchea purpurascens var. succulenta Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          rosea Godfrey Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          sagittalis (Lam.) Cabrera Synonymy: Pluchea quitoc DC. , Pluchea suaveolens (Vell.) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          sericea (Nutt.) Coville Present in the Texas flora (treated as Tessaria sericea (Nutt.) Shinners by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Polypappus sericeus Nutt. , Tessaria sericea (Nutt.) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          yucatanensis Nesom

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Podocoma Cass.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            hieracifolia (Poir.) Cass. Synonymy: Conyza chilensis Spreng. , Conyza primulifolia (Lam.) Cuatrec. & Lourteig

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Polymnia L. - LEAFCUP

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              canadensis L. Synonymy: Polymnia canadensis var. radiata Gray , Polymnia radiata (Gray) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              cossatotensis A.B. Pittman & V. Bates

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              laevigata Beadle

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Porophyllum Adans. - PORELEAF

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                gracile Benth. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Porophyllum caesium Greene , Porophyllum junciforme Greene , Porophyllum nodosum M.E. Jones , Porophyllum putidum A. Nels. , Porophyllum vaseyi Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                greggii Gray Present in the Texas flora and known locally as: Gregg poreleaf (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                leiocarpum (Urban) Rydb. Synonymy: Porophyllum macrocephalum var. leiocarpum Urban

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                pygmaeum Keil & J. Morefield

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ruderale (Jacq.) Cass.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ssp. macrocephalum (DC.) R.R. Johnson Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Kleinia glandulosa Moc. & Sessé , Porophyllum latifolium Benth. , Porophyllum macrocephalum DC. , Porophyllum ruderale var. macrocephalum (DC.) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ssp. ruderale Synonymy: Cacalia porophyllum L. , Kleinia ruderalis Jacq. , Porophyllum porophyllum (L.) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                scoparium Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Prenanthella Rydb. - BRIGHTWHITE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  exigua (Gray) Rydb. Present in the Texas flora, local name unknown. No Texas distribution data available Synonymy: Lygodesmia exigua (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Prenanthes L. - RATTLESNAKE-ROOT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    alata (Hook.) D. Dietr. Synonymy: Prenanthes lessingii Hultén

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    alba L. Synonymy: Nabalus albus (L.) Hook.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    altissima L. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Nabalus altissimus (L.) Hook. , Prenanthes altissima var. cinnamomea Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    aspera Michx. Synonymy: Nabalus asperus (Michx.) Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    autumnalis Walt. Synonymy: Nabalus virgatus (Michx.) DC. , Prenanthes virgata Michx.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    barbata (Torr. & Gray) Milstead Present in the Texas flora and known locally as: Rattlesnake root (Texas Distribution by vegetation zone) Synonymy: Prenanthes serpentaria var. barbata Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    boottii (DC.) Gray Synonymy: Nabalus boottii DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    crepidinea Michx. Synonymy: Nabalus crepidineus (Michx.) DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    X mainensis Gray (pro sp.) [racemosa X trifoliolata]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    nana (Bigelow) Torr. Synonymy: Nabalus nanus (Bigelow) DC. , Prenanthes trifoliolata var. nana (Bigelow) Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    racemosa Michx.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. multiflora Cronq. Synonymy: Prenanthes racemosa var. multiflora (Cronq.) Dorn

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. racemosa

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. pinnatifida Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. racemosa Synonymy: Nabalus racemosus (Michx.) DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    roanensis (Chickering) Chickering Synonymy: Nabalus cylindricus Small , Nabalus roanensis Chickering , Prenanthes cylindrica (Small) E.L. Braun

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    sagittata (Gray) A. Nels. Synonymy: Prenanthes alata var. sagittata Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    serpentaria Pursh Synonymy: Nabalus integrifolius Cass. , Nabalus serpentarius (Pursh) Hook. , Prenanthes integrifolia (Cass.) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    trifoliolata (Cass.) Fern. Synonymy: Nabalus trifoliolatus Cass.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Proustia Lag. - YELLOWCROWN

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      vanillosma C. Wright Synonymy: Proustia krugiana Urban

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Psacalium Cass. - INDIAN-BUSH

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        decompositum (Gray) H.E. Robins. & Brett. Synonymy: Cacalia decomposita Gray , Odontotrichum decompositum (Gray) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Psathyrotes Gray - TURTLEBACK

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          annua (Nutt.) Gray Synonymy: Bulbostylis annua Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          pilifera Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ramosissima (Torr.) Gray Synonymy: Tetradymia ramosissima Torr.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          scaposa Gray Present in the Texas flora and known locally as: Naked brittlestem (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Pseudelephantopus Rohr - DOG'S-TONGUE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            spicatus (Juss. ex Aubl.) C.F. Baker Synonymy: Elephantopus spicatus Juss. ex Aubl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Pseudobahia Rydb. - BLANKETSTEM

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              bahiifolia (Benth.) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              heermannii (Dur.) Rydb. Synonymy: Pseudobahia bahiifolia var. pinnatifida Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              peirsonii Munz

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Pseudoclappia Rydb. - FALSE CLAPDAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                arenaria Rydb. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                watsonii Powell & B.L. Turner Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Pseudognaphalium Kirp.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  arizonicum (Gray) A. Anderb. Synonymy: Gnaphalium arizonicum Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  attenuatum (DC.) A. Anderb. Synonymy: Gnaphalium attenuatum DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  bicolor (Bioletti) A. Anderb. Synonymy: Gnaphalium bicolor Bioletti

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  brachypterum (DC.) A. Anderb. Synonymy: Gnaphalium brachypterum DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  californicum (DC.) A. Anderb. Synonymy: Gnaphalium californicum DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  canescens (DC.) W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. beneolens (A. Davids.) Kartesz, comb. nov. ined. Synonymy: Gnaphalium beneolens A. Davids. , Gnaphalium canescens ssp. beneolens (A. Davids.) Stebbins & Keil

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. canescens Present in the Texas flora (treated as Gnaphalium canescens DC. by Hatch et al, 1990) and known locally as: Wright cudweed (Texas Distribution by vegetation zone) Synonymy: Gnaphalium canescens DC. , Gnaphalium wrightii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. microcephalum (Nutt.) Kartesz, comb. nov. ined. Synonymy: Gnaphalium canescens ssp. microcephalum (Nutt.) Stebbins & Keil , Gnaphalium microcephalum Nutt. , Pseudognaphalium microcephalum (Nutt.) A. Anderb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. thermale (E. Nels.) Kartesz, comb. nov. ined. Synonymy: Gnaphalium canescens ssp. thermale (E. Nels.) Stebbins & Keil , Gnaphalium microcephalum ssp. thermale (E. Nels.) G.W. Douglas , Gnaphalium microcephalum var. thermale (E. Nels.) Cronq. , Gnaphalium thermale E. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  domingense (Lam.) A. Anderb. Synonymy: Gnaphalium domingense Lam. , Gnaphalium portoricense Urban

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  elegans (Kunth) Kartesz, comb. nov. ined. Synonymy: Gnaphalium elegans Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  helleri (Britt.) A. Anderb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. helleri Present in the Texas flora (treated as Gnaphalium helleri Britt. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Gnaphalium helleri Britt. , Gnaphalium obtusifolium var. helleri (Britt.) Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. micradenium (Weatherby) Kartesz, comb. nov. ined. Synonymy: Gnaphalium helleri var. micradenium (Weatherby) Mahler , Gnaphalium obtusifolium var. micradenium Weatherby

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  jaliscense (Greenm.) A. Anderb. Synonymy: Gnaphalium jaliscense Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  leucocephalum (Gray) A. Anderb. Present in the Texas flora (treated as Gnaphalium leucocephalum Gray by Hatch et al, 1990) and known locally as: White cudweed (Texas Distribution by vegetation zone) Synonymy: Gnaphalium leucocephalum Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  luteoalbum (L.) Hilliard & Burtt Synonymy: Gnaphalium luteoalbum L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  macounii (Greene) Kartesz, comb. nov. ined. Synonymy: Gnaphalium decurrens Ives, non L. , Gnaphalium macounii Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  obtusifolium (L.) Hilliard & Burtt

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. obtusifolium Present in the Texas flora (treated as Gnaphalium obtusifolium L. by Hatch et al, 1990) and known locally as: Fragrant cudweed, cat-foot (Texas Distribution by vegetation zone) Synonymy: Gnaphalium obtusifolium L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. praecox (Fern.) Kartesz, comb. nov. ined. Synonymy: Gnaphalium obtusifolium var. praecox Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. saxicola (Fassett) Kartesz, comb. nov. ined. Synonymy: Gnaphalium obtusifolium var. saxicola (Fassett) Cronq. , Gnaphalium saxicola Fassett

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  pringlei (Gray) A. Anderb. Synonymy: Gnaphalium pringlei Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ramosissimum (Nutt.) A. Anderb. Synonymy: Gnaphalium ramosissimum Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  roseum (Kunth) A. Anderb. Synonymy: Gnaphalium roseum Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  sandwicensium (Gaud.) A. Anderb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. hawaiiense (O. Deg. & Sherff) Kartesz, comb. nov. ined. Synonymy: Gnaphalium hawaiiense O. Deg. & Sherff , Gnaphalium sandwicensium var. hawaiiense O. Deg. & Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. kilaueanum (O. Deg. & Sherff) Kartesz, comb. nov. ined. Synonymy: Gnaphalium sandwicensium var. kilaueanum O. Deg. & Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. molokaiense (O. Deg. & Sherff) Kartesz, comb. nov. ined. Synonymy: Gnaphalium sandwicensium var. molokaiense O. Deg. & Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. sandwicensium Synonymy: Gnaphalium sandwicensium Gaud. , Gnaphalium sandwicensium var. flagellare Sherff , Gnaphalium sandwicensium var. lineatum Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  stramineum (Kunth) W.A. Weber Present in the Texas flora (treated as Gnaphalium stramineum Kunth by Hatch et al, 1990) and known locally as: Cotton-batting cudweed (Texas Distribution by vegetation zone) Synonymy: Gnaphalium chilense Spreng. , Gnaphalium chilense var. confertifolium Greene , Gnaphalium stramineum Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  viscosum (Kunth) W.A. Weber Present in the Texas flora (treated as Gnaphalium viscosum Kunth in H.B.K. by Hatch et al, 1990) and known locally as: Clammy cudweed (Texas Distribution by vegetation zone) Synonymy: Gnaphalium viscosum Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Pseudogynoxys (Greenm.) Cabrera - MEXICAN-FLAMEVINE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    chenopodioides Kunth Synonymy: Senecio confusus Britten

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Psilactis Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      asteroides Gray Present in the Texas flora (treated as Machaeranthera boltoniae (Greene) B. Turner & Horne by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Aster amplifolius (Woot. & Standl.) Kittell , Aster boltoniae Greene , Aster canescens var. latifolius (Gray) Gray , Dieteria asteroides Torr. , Machaeranthera amplifolia Woot. & Standl. , Machaeranthera asteroides (Torr.) Greene , Machaeranthera asteroides var. glandulosa B.L. Turner , Machaeranthera asteroides var. lagunensis (Keck) B.L. Turner , Machaeranthera boltoniae (Greene) B.L. Turner & Horne , Machaeranthera canescens var. latifolia Gray , Machaeranthera hansonii A. Nels. , Machaeranthera lagunensis Keck , Machaeranthera pruinosa Gray , Machaeranthera simplex Woot. & Standl. , Machaeranthera verna A. Nels. , Psilactis leptos Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      brevilingulata Schultz-Bip. ex Hemsl. Present in the Texas flora (treated as Machaeranthera brevilingulata (Hemsl.) B. Turner & Horne by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Machaeranthera brevilingulata (Schultz-Bip. ex Hemsl.) B.L. Turner & Horne

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      gentryi (Standl.) Morgan Synonymy: Machaeranthera mexicana B.L. Turner & Horne

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      heterocarpa (R.L. Hartman & M.A. Lane) Morgan Present in the Texas flora (treated as Machaeranthera hterocarpa Hartman & Lane by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Machaeranthera heterocarpa R.L. Hartman & M.A. Lane

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      tenuis S. Wats. Present in the Texas flora (treated as Machaeranthera tenuis (S. Wats.) B. Turner & Horne by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Machaeranthera tenuis (S. Wats.) B.L. Turner & Horne

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Psilocarphus Nutt. - WOOLLYHEADS

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        brevissimus Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. brevissimus

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. multiflorus Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        elatior (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        oregonus Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        tenellus Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. globiferus (Bertero ex DC.) Morefield Synonymy: Psilocarphus tenellus var. tenuis (Eastw.) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. tenellus

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Psilostrophe DC. - PAPER-FLOWER

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          bakeri Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          cooperi (Gray) Greene Synonymy: Riddellia cooperi Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          gnaphalioides DC. Present in the Texas flora and known locally as: Dudweed paperflower (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          sparsiflora (Gray) A. Nels. Synonymy: Riddellia tagetina var. sparsiflora Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          tagetina (Nutt.) Greene Present in the Texas flora and known locally as: Woolly paperflower (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. cerifera (A. Nels.) B.L. Turner Present in the Texas flora and known locally as: Hairy paperflower (Texas Distribution by vegetation zone) Synonymy: Psilostrophe villosa Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. tagetina Synonymy: Psilostrophe tagetina var. grandiflora (Rydb.) Heiser , Psilostrophe tagetina var. lanata A. Nels. , Riddellia tagetina (Nutt.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Pterocaulon Ell. - BLACKROOT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            virgatum (L.) DC. Present in the Texas flora and known locally as: Wand blackroot (Texas Distribution by vegetation zone) Synonymy: Gnaphalium virgatum L. , Pterocaulon alopecuroideum (Lam.) DC. , Pterocaulon pycnostachyum (Michx.) Ell. , Pterocaulon undulatum (Walt.) C. Mohr

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Pulicaria Gaertn. - FALSE FLEABANE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              arabica (L.) Cass. Synonymy: Vicoa auriculata auct. non Cass.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              dysenterica (L.) Bernh. Synonymy: Inula dysenterica L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              paludosa Link Synonymy: Pulicaria hispanica (Boiss.) Boiss.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Pyrrhopappus DC. - DESERT-CHICORY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                carolinianus (Walt.) DC. Present in the Texas flora and known locally as: Carolina false dandelion (Texas Distribution by vegetation zone) Synonymy: Pyrrhopappus carolinianus var. georgianus (Shinners) Ahles , Pyrrhopappus georgianus Shinners , Sitilias caroliniana (Walt.) Raf.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                grandiflorus (Nutt.) Nutt. Present in the Texas flora and known locally as: Tuber false dandelion (Texas Distribution by vegetation zone) Synonymy: Pyrrhopappus scaposus DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                pauciflorus (D. Don) DC. Present in the Texas flora (treated as Pyrrhopappus multicaulis DC. by Hatch et al, 1990) and known locally as: Manystem false dandelion (Texas Distribution by vegetation zone) Synonymy: Pyrrhopappus geiseri Shinners , Pyrrhopappus multicaulis DC. , Pyrrhopappus multicaulis var. geiseri (Shinners) Northington , Pyrrhopappus rothrockii Gray , Sitilias multicaulis (DC.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Pyrrocoma Hook. - GOLDENWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  apargioides (Gray) Greene Synonymy: Haplopappus apargioides Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  carthamoides Hook.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. carthamoides Synonymy: Haplopappus carthamoides (Hook.) Gray , Haplopappus carthamoides ssp. rigidus (Rydb.) Hall , Haplopappus carthamoides var. erythropappus (Rydb.) St. John , Haplopappus carthamoides var. rigidus (Rydb.) M.E. Peck , Haplopappus carthamoides var. typicus (Hall) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. cusickii (Gray) Kartesz & Gandhi Synonymy: Haplopappus carthamoides ssp. cusickii (Gray) Hall , Haplopappus carthamoides var. cusickii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. subsquarrosa (Greene) G. Brown & Keil Synonymy: Haplopappus carthamoides var. subsquarrosus (Greene) Dorn , Pyrrocoma subsquarrosa Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  clementis Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. clementis Synonymy: Haplopappus clementis (Rydb.) Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. villosa (Rydb.) Mayes ex G. Brown & Keil Synonymy: Pyrrocoma villosa Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  crocea (Gray) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. crocea Synonymy: Haplopappus croceus Gray , Haplopappus croceus ssp. typicus Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. genuflexa (Greene) Mayes ex G. Brown & Keil Synonymy: Haplopappus croceus var. genuflexus (Greene) Blake , Pyrrocoma genuflexa Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  hirta (Gray) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. hirta Synonymy: Haplopappus hirtus Gray , Haplopappus hirtus ssp. typicus Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. lanulosa (Greene) Mayes ex G. Brown & Keil Synonymy: Haplopappus hirtus ssp. lanulosus (Greene) Hall , Haplopappus hirtus var. lanulosus (Greene) M.E. Peck , Pyrrocoma lanulosa Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. sonchifolia (Greene) Kartesz & Gandhi Synonymy: Haplopappus hirtus ssp. sonchifolius (Greene) Hall , Haplopappus hirtus var. sonchifolius (Greene) M.E. Peck , Pyrrocoma sonchifolia Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  insecticruris Henderson Synonymy: Haplopappus insecticruris (Henderson) Heller , Haplopappus integrifolius ssp. insecticruris (Henderson) Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  integrifolia (Porter ex Gray) Greene Synonymy: Haplopappus integrifolius Porter ex Gray , Haplopappus integrifolius ssp. typicus Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  lanceolata (Hook.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. lanceolata Synonymy: Haplopappus lanceolatus (Hook.) Torr. & Gray , Haplopappus lanceolatus ssp. solidagineus (Greene) Hall , Haplopappus lanceolatus ssp. tenuicaulis (D.C. Eat.) Hall , Haplopappus lanceolatus ssp. vaseyi (Parry ex D.C. Eat.) Hall , Haplopappus lanceolatus var. sublanatus Cody , Haplopappus lanceolatus var. tenuicaulis (D.C. Eat.) Gray , Haplopappus lanceolatus var. typicus (Hall) Cronq. , Haplopappus lanceolatus var. vaseyi Parry ex D.C. Eat.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. subviscosa (Greene) Mayes ex G. Brown & Keil Synonymy: Haplopappus subviscosus (Greene) Blake , Pyrrocoma subviscosa Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  liatriformis Greene Synonymy: Haplopappus integrifolius ssp. liatriformis (Greene) Hall , Haplopappus integrifolius ssp. scaberulus (Greene) Hall , Haplopappus liatriformis (Greene) St. John , Haplopappus racemosus ssp. liatriformis (Greene) Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  linearis (Keck) Kartesz & Gandhi Synonymy: Haplopappus uniflorus ssp. linearis Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  lucida (Keck) Kartesz & Gandhi Synonymy: Haplopappus lucidus (Keck) Keck , Haplopappus racemosus ssp. lucidus Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  racemosa (Nutt.) Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. congesta (Greene) Mayes ex G. Brown & Keil Synonymy: Haplopappus racemosus ssp. congestus (Greene) Hall , Pyrrocoma congesta Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. paniculata (Nutt.) Kartesz & Gandhi Synonymy: Haplopappus paniculatus var. virgatus Gray , Haplopappus racemosus ssp. brachycephalus (A. Nels.) Hall , Haplopappus racemosus ssp. duriuscula (Greene) Hall , Haplopappus racemosus ssp. glomeratus (Nutt.) Hall , Haplopappus racemosus ssp. halophilus (Greene) Hall , Haplopappus racemosus ssp. prionophyllus (Greene) Hall , Haplopappus racemosus var. glomerellus (Nutt.) Gray , Haplopappus racemosus var. prionophyllus (Greene) Welsh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. pinetorum (Keck) Kartesz & Gandhi Synonymy: Haplopappus racemosus ssp. pinetorum Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. racemosa Synonymy: Haplopappus racemosus (Nutt.) Torr.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. sessiliflora (Greene) Mayes ex G. Brown and Keil Synonymy: Haplopappus racemosus ssp. sessiliflorus (Greene) Hall , Haplopappus racemosus var. sessiliflorus (Greene) Welsh , Pyrrocoma sessiliflora Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  radiata Nutt. Synonymy: Haplopappus carthamoides var. maximus Gray , Haplopappus radiatus (Nutt.) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  uniflora (Hook.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. gossypina (Greene) Kartesz & Gandhi Synonymy: Haplopappus uniflorus ssp. gossypinus (Greene) Hall , Pyrrocoma gossypina Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. uniflora Synonymy: Haplopappus contractus Hall , Haplopappus uniflorus (Hook.) Torr. & Gray , Haplopappus uniflorus ssp. howellii (Gray) Hall , Haplopappus uniflorus ssp. typicus Hall , Haplopappus uniflorus var. howellii (Gray) M.E. Peck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Rafinesquia Nutt. - PLUMSEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    californica Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    neomexicana Gray Present in the Texas flora and known locally as: New Mexico plumeseed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Raillardella (Gray) Benth. - RAILLARDELLA

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      argentea (Gray) Gray Synonymy: Raillardella minima Rydb. , Raillardia argentea Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      pringlei Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      scaposa (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Raillardiopsis Rydb. - RAILLARDIOPSIS

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        muirii (Gray) Rydb. Synonymy: Raillardella muirii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        scabrida (Eastw.) Rydb. Synonymy: Raillardella scabrida Eastw.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Rainiera Greene - FALSE SILVERBACK

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          stricta (Greene) Greene Synonymy: Luina stricta (Greene) B.L. Robins.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Ratibida Raf. - MEXICAN-HAT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            columnifera (Nutt.) Woot. & Standl. Present in the Texas flora and known locally as: Upright prairie coneflower (Texas Distribution by vegetation zone) Synonymy: Lepachys columnifera (Nutt.) J.F. Macbr. , Ratibida columnaris D. Don , Ratibida columnaris var. pulcherrima (DC.) D. Don , Rudbeckia columnaris Pursh, non Sims , Rudbeckia columnifera Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            peduncularis (Torr. & Gray) Barnh. Present in the Texas flora and known locally as: Two-color prairie coneflower (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. peduncularis Synonymy: Lepachys peduncularis Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. picta (Gray) Sharp Synonymy: Lepachys peduncularis var. picta Gray , Ratibida picta (Gray) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            pinnata (Vent.) Barnh. Synonymy: Rudbeckia pinnata Vent.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            tagetes (James) Barnh. Present in the Texas flora and known locally as: Short ray prairie coneflower, prairie coneflower (Texas Distribution by vegetation zone) Synonymy: Rudbeckia globosa Nutt. , Rudbeckia tagetes James

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Reichardia Roth - BRIGHTEYES

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              picroides (L.) Roth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              tingitana (L.) Roth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Remya Hbd. ex Benth. - REMYA

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                kauaiensis Hbd. Listed by the U.S. FWS as endangered. The FWS range of distribution is: U.S.A. (HI). Listed on January, 14, 1991 (Volume 56 Federal Register 1453). Synonymy: Remya kauaiensis var. magnifica O. Deg. & Sherff , Remya kauaiensis var. magnifolia O. Deg. & Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                mauiensis Hbd. Listed by the U.S. FWS as endangered, the FWS local name is Maui remya and the FWS range is: U.S.A. (HI). Listed on January, 14, 1991 (Volume 56 Federal Register 1453).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                montgomeryi W.L. Wagner & Herbst Listed by the U.S. FWS as endangered. The FWS range of distribution is: U.S.A. (HI). Listed on January, 14, 1991 (Volume 56 Federal Register 1453).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Rhagadiolus Juss. - ENDIVE-DAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  stellatus (L.) Gaertn. Synonymy: Rhagadiolus edulis Gaertn.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Rigiopappus Gray - FALSE WIREWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    leptocladus Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Rolandra Rottb. - YERBA-DE-PLATA

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      fruticosa (L.) Kuntze Synonymy: Echinops fruticosus L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Rudbeckia L. - CONEFLOWER

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        alpicola Piper Synonymy: Rudbeckia occidentalis var. alpicola (Piper) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        auriculata (Perdue) Kral Synonymy: Rudbeckia fulgida var. auriculata Perdue

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        bicolor Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        californica Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        fulgida Ait.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. deamii (Blake) Perdue Synonymy: Rudbeckia deamii Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. fulgida Synonymy: Rudbeckia acuminata C.L. Boynt. & Beadle , Rudbeckia foliosa C.L. Boynt. & Beadle , Rudbeckia tenax C.L. Boynt. & Beadle , Rudbeckia truncata Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. palustris (Eggert ex C.L. Boynt. & Beadle) Perdue Present in the Texas flora and known locally as: Marsh coneflower (Texas Distribution by vegetation zone) Synonymy: Rudbeckia palustris Eggert ex C.L. Boynt. & Beadle

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. spathulata (Michx.) Perdue Synonymy: Rudbeckia spathulata Michx.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. speciosa (Wenderoth) Perdue Synonymy: Rudbeckia speciosa Wenderoth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. sullivantii (C.L. Boynt. & Beadle) Cronq. Synonymy: Rudbeckia speciosa var. sullivantii (C.L. Boynt. & Beadle) B.L. Robins. , Rudbeckia sullivantii C.L. Boynt. & Beadle

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. umbrosa (C.L. Boynt. & Beadle) Cronq. Synonymy: Rudbeckia chapmanii C.L. Boynt. & Beadle , Rudbeckia umbrosa C.L. Boynt. & Beadle

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        glaucescens Eastw. Synonymy: Rudbeckia californica var. glauca Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        graminifolia (Torr. & Gray) C.L. Boynt. & Beadle

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        grandiflora (D. Don) J.F. Gmel. ex DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. alismifolia (Torr. & Gray) Cronq. Present in the Texas flora and known locally as: Rough coneflower (Texas Distribution by vegetation zone) Synonymy: Rudbeckia alismifolia Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. grandiflora Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        heliopsidis Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        hirta L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. angustifolia (T.V. Moore) Perdue Present in the Texas flora and known locally as: Black-eyed susan (Texas Distribution by vegetation zone) Synonymy: Rudbeckia divergens T.V. Moore , Rudbeckia floridana var. angustifolia T.V. Moore

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. floridana (T.V. Moore) Perdue Synonymy: Rudbeckia floridana T.V. Moore

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. hirta Synonymy: Rudbeckia amplectens T.V. Moore , Rudbeckia brittonii Small , Rudbeckia hirta var. brittonii (Small) Fern. , Rudbeckia hirta var. monticola (Small) Fern. , Rudbeckia monticola Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. pulcherrima Farw. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Rudbeckia hirta var. corymbifera Fern. , Rudbeckia hirta var. lanceolata (Bisch.) Core , Rudbeckia hirta var. sericea (T.V. Moore) Fern. , Rudbeckia hirta var. serotina (Nutt.) Core , Rudbeckia longipes T.V. Moore , Rudbeckia sericea T.V. Moore , Rudbeckia serotina Nutt. , Rudbeckia serotina var. corymbifera (Fern.) Fern. & Schub. , Rudbeckia serotina var. lanceolata (Bisch.) Fern. & Schub. , Rudbeckia serotina var. sericea (T.V. Moore) Fern. & Schub.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        klamathensis Cox & Urbatsch Synonymy: Rudbeckia californica var. intermedia Perdue

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        laciniata L. Present in the Texas flora and known locally as: Cutleaf coneflower (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. ampla (A. Nels.) Cronq. Synonymy: Rudbeckia ampla A. Nels. , Rudbeckia laciniata ssp. ampla (A. Nels.) W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. bipinnata Perdue

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. digitata (P. Mill.) Fiori Synonymy: Rudbeckia heterophylla Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. gaspereauensis Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. humilis Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. laciniata Synonymy: Rudbeckia laciniata var. hortensis Bailey

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        maxima Nutt. Present in the Texas flora and known locally as: Great coneflower (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        missouriensis Engelm. ex C.L. Boynt. & Beadle Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Rudbeckia fulgida var. missouriensis (Engelm. ex C.L. Boynt. & Beadle) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        mohrii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        mollis Ell.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        montana Gray Synonymy: Rudbeckia occidentalis var. montana (Gray) Perdue

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        nitida Nutt. Synonymy: Rudbeckia glabra DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        occidentalis Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        scabrifolia L.E. Brown Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        subtomentosa Pursh Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        texana (Perdue) Cox & Urbatsch Present in the Texas flora (treated as Rudbeckia nitida Nutt. var. texana Perdue by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Rudbeckia nitida var. texana Perdue

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        triloba L. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. pinnatiloba Torr. & Gray Synonymy: Rudbeckia pinnatiloba (Torr. & Gray) Beadle

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. rupestris (Chickering) Gray Synonymy: Rudbeckia beadlei Small p.p. , Rudbeckia rupestris Chickering , Rudbeckia triloba var. beadlei (Small) Fern. p.p.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. triloba

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Rugelia Shuttlw. ex Chapman - RUGEL'S-INDIAN-PLANTAIN

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          nudicaulis Shuttlw. ex Chapman Synonymy: Cacalia rugelia (Gray) Barkl. & Cronq. , Senecio rugelia Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Sachsia Griseb. - SACHSIA

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            polycephala Griseb. Synonymy: Sachsia bahamensis Urban

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Salmea DC. - BEJUCO-DE-MIEL

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              scandens (L.) DC. Synonymy: Bidens scandens L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Santolina L. - LAVENDER-COTTON

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                chamaecyparissus L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Sanvitalia Lam. - CREEPING-ZINNIA

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  abertii Gray Present in the Texas flora and known locally as: Abert sanvitalia (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ocymoides DC. Present in the Texas flora and known locally as: Yellow sanvitalia (Texas Distribution by vegetation zone) Synonymy: Calyptocarpus blepharolepis B.L. Robins.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  procumbens Lam. Synonymy: Sanvitalia angustifolia Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Sartwellia Gray - GLOW-WORT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    flaveriae Gray Present in the Texas flora and known locally as: Downy s. (Texas Distribution by vegetation zone) Synonymy: Sartwellia puberula Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    gypsophila Powell & B.L. Turner

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Saussurea DC. - SAW-WORT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      alpina (L.) DC. Synonymy: Serratula alpina L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      amara (L.) DC. Synonymy: Saussurea glomerata Poir.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      americana D.C. Eat.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      angustifolia (Willd.) DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. angustifolia

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. viscida (Hultén) Welsh Synonymy: Saussurea viscida Hultén

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. yukonensis Porsild Synonymy: Saussurea angustifolia ssp. yukonensis (Porsild) Cody , Saussurea viscida var. yukonensis (Porsild) Hultén

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      densa (Hook.) Rydb. Synonymy: Saussurea nuda ssp. densa (Hook.) G.W. Douglas , Saussurea nuda var. densa (Hook.) Hultén , Saussurea weberi Hultén

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      nuda Ledeb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      tilesii (Ledeb.) Ledeb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      X tschuktschorum Lipsch. (pro sp.) [angustifolia X nuda]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Schkuhria Roth - FALSE THREADLEAF

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        anthemoidea (DC.) Coult.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. anthemoidea

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. wrightii (Gray) Heiser Synonymy: Schkuhria wislizeni var. wrightii (Gray) Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        multiflora Hook. & Arn. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Bahia neomexicana (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        pinnata (Lam.) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        wislizeni Gray Present in the Texas flora and known locally as: Wrights threadleaf (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. frustrata Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. wislizeni

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Sclerocarpus Jacq. - BONEBRACT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          africanus Jacq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          uniserialis (Benth.) Hemsl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. austrotexanus B.L. Turner Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. uniserialis Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Sclerolepis Cass. - BOGBUTTON

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            uniflora (Walt.) B.S.P.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Scolymus L. - GOLDEN-THISTLE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              hispanicus L. Synonymy: Scolymus grandiflorus Desf.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              maculatus L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Scorzonera L. - BLACK-SALSIFY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                hispanica L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                laciniata L. Synonymy: Podospermum laciniatum (L.) DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Senecio L. - RAGWORT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  actinella Greene Synonymy: Packera actinella (Greene) W.A. Weber & A. Löve , Senecio actinella var. mogollonicus (Greene) Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  amplectens Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. amplectens Synonymy: Ligularia amplectens (Gray) W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. holmii (Greene) Harrington Synonymy: Ligularia holmii (Greene) W.A. Weber , Senecio holmii Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ampullaceus Hook. Present in the Texas flora and known locally as: Texas groundsel (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  anonymus Wood Synonymy: Packera anonyma (Wood) W.A. Weber & A. Löve , Senecio smallii Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  antennariifolius Britt. Synonymy: Packera antennariifolia (Britt.) W.A. Weber & A. Löve

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  aphanactis Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  arizonicus Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  aronicoides DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  astephanus Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  atratus Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  atropurpureus (Ledeb.) Fedtsch. Synonymy: Senecio atropurpureus ssp. frigidus (Richards.) Hultén , Senecio atropurpureus ssp. tomentosus (Kjellm.) Hultén , Senecio atropurpureus var. dentatus (Gray) Hultén , Senecio atropurpureus var. ulmeri (Steffen) Porsild , Senecio frigidus (Richards.) Less. , Senecio kjellmanii Porsild , Senecio tichomirovii auct. non Schischkin , Tephroseris atropurpurea ssp. frigida (Richards.) A.& D. Löve , Tephroseris atropurpurea ssp. tomentosa (Kjellm.) A.& D. Löve , Tephroseris integrifolia ssp. atropurpurea (Ledeb.) B. Nordenstam

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  aureus L. Synonymy: Packera aurea (L.) A.& D. Löve , Senecio aureus var. aquilonius Fern. , Senecio aureus var. gracilis (Pursh) Hook. , Senecio aureus var. intercursus Fern. , Senecio gracilis Pursh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  bernardinus Greene Synonymy: Packera bernardina (Greene) W.A. Weber & A. Löve , Senecio ionophyllus var. sparsilobatus (Parish) Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  bicolor (Willd.) Todaro

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. cineraria (DC.) Chater Synonymy: Senecio cineraria DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  bigelovii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. bigelovii Synonymy: Ligularia bigelovii (Gray) W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. hallii Gray Synonymy: Ligularia bigelovii var. hallii (Gray) W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  blochmaniae Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  bolanderi Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. bolanderi Synonymy: Packera bolanderi (Gray) W.A. Weber & A. Löve

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. harfordii (Greenm.) T.M. Barkl. Synonymy: Senecio harfordii Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  breweri Burtt-Davy

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  californicus DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  cannabifolius Less.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  cannabinifolius Hook. & Arn.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  canus Hook. Synonymy: Packera cana (Hook.) W.A. Weber & A. Löve , Senecio convallium Greenm. , Senecio hallii Britt. , Senecio hallii var. discoidea W.A. Weber , Senecio harbourii Rydb. , Senecio howellii Greene , Senecio purshianus Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  cardamine Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  carlomasonii B.L. Turner & T.M. Barkl. Synonymy: Senecio hartwegii auct. non Benth. , Senecio seemanii auct. non Schultz-Bip. ex Seem.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  castoreus Welsh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  clarkianus Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  clevelandii Greene Synonymy: Senecio clevelandii var. heterophyllus Hoover

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  clivorum Maxim.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  congestus (R. Br.) DC. Synonymy: Senecio congestus ssp. tonsus (Fern.) A.& D. Löve , Senecio congestus var. palustris (L.) Fern. , Senecio congestus var. tonsus Fern. , Senecio palustris (L.) Hook.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  conterminus Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  crassulus Gray Synonymy: Senecio crassulus var. cusickii (Piper) Greenm. ex Peck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  crocatus Rydb. Synonymy: Packera crocata (Rydb.) W.A. Weber & A. Löve , Senecio crocatus var. wolfii Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  cymbalaria Pursh Synonymy: Packera fernaldii (Greenm.) A.& D. Löve , Packera resedifolia (Less.) A.& D. Löve , Senecio resedifolius Less.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  cymbalarioides Buek Synonymy: Packera cymbalarioides (Buek) W.A. Weber & A. Löve , Senecio cymbalarioides var. moresbiensis Calder & Taylor , Senecio moresbiensis (Calder & Taylor) Dougl. & Ruyle-Dougl. , Senecio streptanthifolius var. moresbiensis (Calder & Taylor) Boivin , Senecio subnudus DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  cynthioides Greene Synonymy: Senecio wrightii Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  debilis Nutt. Synonymy: Senecio fedifolius Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  dimorphophyllus Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. dimorphophyllus Synonymy: Packera dimorphophylla (Greene) W.A. Weber & A. Löve , Senecio heterodoxus Greene ex Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. intermedius T.M. Barkl. Synonymy: Packera dimorphophylla ssp. intermedia (T.M. Barkl.) W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. paysonii T.M. Barkl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  elegans L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  elmeri Piper Synonymy: Senecio crepidineus Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  eremophilus Richards.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. eremophilus Synonymy: Senecio glaucifolius Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. kingii (Rydb.) Greenm. Synonymy: Senecio ambrosioides Rydb. , Senecio eremophilus ssp. kingii (Rydb.) G.W. & G.R. Dougl. , Senecio kingii Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. macdougalii (Heller) Cronq. Synonymy: Senecio eremophilus ssp. macdougalii (Heller) G.W. & G.R. Dougl. , Senecio macdougalii Heller

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ertterae T.M. Barkl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  erucifolius L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  eurycephalus Torr. & Gray ex Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. eurycephalus

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. lewisrosei (J.T. Howell) T.M. Barkl. Synonymy: Senecio lewisrosei J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  fendleri Gray Synonymy: Packera fendleri (Gray) W.A. Weber & A. Löve , Senecio fendleri var. lanatus Osterhout

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  flaccidus Less.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. douglasii (DC.) B.L. Turner & T.M. Barkl. Synonymy: Senecio douglasii DC. , Senecio douglasii var. tularensis Munz

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. flaccidus Present in the Texas flora (treated as Senecio douglasii DC. var. longilobus (Benth.) Benson by Hatch et al, 1990) and known locally as: Threadleaf groundsel, woolly groundsel (Texas Distribution by vegetation zone) Synonymy: Senecio douglasii ssp. longilobus (Benth.) W.A. Weber , Senecio douglasii var. jamesii (Torr. & Gray) Ediger ex Correll & Johnston , Senecio douglasii var. longilobus (Benth.) L. Benson , Senecio filifolius Nutt., non Berg. , Senecio longilobus Benth.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. monoensis (Greene) B.L. Turner & T.M. Barkl. Synonymy: Senecio douglasii var. monoensis (Greene) Jepson , Senecio monoensis Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  flettii Wieg.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  franciscanus Greene Listed by the U.S. FWS as threatened - the FWS local name is San Francisco Peaks groundsel and the FWS range is: U.S.A. (AZ).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  fremontii Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. blitoides (Greene) Cronq. Synonymy: Senecio blitoides Greene , Senecio carthamoides Greene , Senecio fremontii ssp. blitoides (Greene) W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. fremontii

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. inexpectatus Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. occidentalis Gray Synonymy: Senecio fremontii ssp. occidentalis (Gray) G.W. & G.R. Dougl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  fuscatus Hayek Synonymy: Senecio lindstroemii (Ostenf.) Porsild , Senecio tundricola Tolm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ganderi T.M. Barkl. & Beauchamp

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  glabellus Poir. Present in the Texas flora and known locally as: Butterweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  greenei Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  hartianus Heller

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  hartwegii Benth. Synonymy: Roldana hartwegii (Benth.) H.E. Robins.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  hesperius Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  hybridus (Willd.) Regel Synonymy: Pericallis cuneata (L'Hér.) Bolle , Senecio cruentus DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  hydrophiloides Rydb. Synonymy: Senecio foetidus J.T. Howell , Senecio foetidus var. hydrophiloides (Rydb.) T.M. Barkl. ex Cronq. , Senecio pereziifolius Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  hydrophilus Nutt. Synonymy: Senecio sandvicensis auct. non Less.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  hyperborealis Greenm. Synonymy: Packera hyperborealis (Greenm.) A.& D. Löve

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  indecorus Greene Synonymy: Packera indecora (Greene) A.& D. Löve , Senecio pauciflorus var. fallax (Greenm.) Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  integerrimus Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. exaltatus (Nutt.) Cronq. Synonymy: Senecio columbianus Greene , Senecio exaltatus Nutt. , Senecio hookeri Torr. & Gray , Senecio integerrimus var. vaseyi (Greenm.) Cronq. , Senecio vaseyi Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. integerrimus

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. major (Gray) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. ochroleucus (Gray) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. scribneri (Rydb.) T.M. Barkl. Synonymy: Senecio scribneri Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ionophyllus Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  jacobaea L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  layneae Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  lemmonii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  lugens Richards. Synonymy: Senecio integerrimus var. lugens (Richards.) Boivin

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  lyonii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  macounii Greene Synonymy: Senecio ligulifolius Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  madagascariensis Poir.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  malmstenii Blake ex Tidestrom

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  megacephalus Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  mikanioides Otto ex Walp.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  millefolium Torr. & Gray Synonymy: Senecio memmingeri Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  millelobatus Rydb. Present in the Texas flora and known locally as: Manybract groundsel (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  mohavensis Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  multidentatus Schultz-Bip. ex Hemsl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. huachucanus (Gray) T.M. Barkl. Synonymy: Senecio huachucanus Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  multilobatus Torr. & Gray ex Gray Synonymy: Packera multilobatus (Torr. & Gray ex Gray) W.A. Weber & A. Löve , Senecio lynceus Greene , Senecio lynceus var. leucoreus (Greenm.) Blake , Senecio stygius Greene , Senecio thornberi Greenm. , Senecio uintahensis (A. Nels.) Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  musiniensis Welsh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  neomexicanus Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. metcalfei (Greene) T.M. Barkl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. mutabilis (Greene) T.M. Barkl. Synonymy: Packera neomexicana ssp. mutabilis (Greene) W.A. Weber & A. Löve , Senecio mutabilis Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. neomexicanus Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Packera neomexicana (Gray) W.A. Weber & A. Löve , Senecio eurypterus Greenm. , Senecio neomexicanus var. griffithsii Greenm. , Senecio oresbius Greenm. , Senecio thurberi Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. toumeyi (Greene) T.M. Barkl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  neowebsteri Blake Synonymy: Ligularia websteri (Greenm.) W.A. Weber , Senecio websteri Greenm., non Hook. f.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  newcombei Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  obovatus Muhl. ex Willd. Present in the Texas flora and known locally as: Golden groundsel (Texas Distribution by vegetation zone) Synonymy: Senecio obovatus var. elliottii (Torr. & Gray) Fern. , Senecio obovatus var. rotundus Britt. , Senecio rotundus (Britt.) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ogotorukensis Packer Synonymy: Packera ogotorukensis (Packer) A.& D. Löve

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  parryi Gray Present in the Texas flora and known locally as: Mountain groundsel (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  pattersonensis Hoover

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  pauciflorus Pursh Synonymy: Packera pauciflora (Pursh) A.& D. Löve , Senecio discoideus (Hook.) Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  pauperculus Michx. Synonymy: Packera paupercula (Michx.) A.& D. Löve , Senecio balsamitae Muhl. ex Willd. , Senecio crawfordii (Britt.) G.W. & G.R. Dougl. , Senecio gaspensis Greenm. , Senecio gaspensis var. firmifolius (Greenm.) Fern. , Senecio pauperculus var. balsamitae (Muhl. ex Willd.) Fern. , Senecio pauperculus var. crawfordii (Britt.) T.M. Barkl. , Senecio pauperculus var. firmifolius (Greenm.) Greenm. , Senecio pauperculus var. neoscoticus Fern. , Senecio pauperculus var. praelongus (Greenm.) House , Senecio pauperculus var. thompsoniensis (Greenm.) Boivin , Senecio tweedyi Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  plattensis Nutt. Present in the Texas flora and known locally as: Prairie groundsel (Texas Distribution by vegetation zone) Synonymy: Senecio pseudotomentosus Mackenzie & Bush

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  porteri Greene Synonymy: Ligularia porteri (Greene) W.A. Weber , Senecio werneriifolius var. alpinus (Gray) Dorn

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  pseudaureus Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. flavulus (Greene) Greenm. Synonymy: Packera pseudaurea ssp. flavula (Greene) W.A. Weber & A. Löve , Senecio flavulus Greene , Senecio pseudaureus ssp. flavulus (Greene) G.W. & G.R. Dougl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. pseudaureus Synonymy: Packera pseudaurea (Rydb.) W.A. Weber & A. Löve , Senecio pauciflorus var. jucundulus Jepson

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. semicordatus (Mackenzie & Bush) T.M. Barkl. Synonymy: Senecio aureus var. semicordatus (Mackenzie & Bush) Greenm. , Senecio pseudaureus ssp. semicordatus (Mackenzie & Bush) G.W. & G.R. Dougl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  pseudoarnica Less.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  pudicus Greene Synonymy: Ligularia pudica (Greene) W.A. Weber , Senecio cernuus Gray, non L. f.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  quaerens Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  quercetorum Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  rapifolius Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  riddellii Torr. & Gray Present in the Texas flora and known locally as: Broom groundsel (Texas Distribution by vegetation zone) Synonymy: Senecio spartioides var. fremontii (Torr. & Gray) Greenm. ex L.O. Williams , Senecio spartioides var. parksii (Cory) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  rupestris Waldst. & Kit.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  sacramentanus Woot. & Standl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  salignus DC. Synonymy: Barkleyanthus salicifolius (Kunth) H.E. Robins. & Brett.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  sanguisorboides Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  schweinitzianus Nutt. Synonymy: Senecio robbinsii Oakes ex Rusby

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  scorzonella Greene Synonymy: Senecio covillei Greene , Senecio covillei var. scorzonella (Greene) Jepson

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  serra Hook.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. admirabilis (Greene) A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. serra Synonymy: Senecio serra var. altior Jepson , Senecio serra var. integriusculus Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  sheldonensis Porsild

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  soldanella Gray Synonymy: Ligularia soldanella (Gray) W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  spartioides Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. spartioides Synonymy: Senecio spartioides var. granularis Maguire & A. Holmgren ex Cronq. , Senecio toiyabensis Welsh & Goodrich

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. multicapitatus (Greenm. ex Rydb.) Welsh Present in the Texas flora (treated as Senecio multicapitatus Greenm. ex Rydb. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Senecio multicapitatus Greenm. ex Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  spellenbergii T.M. Barkl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  sphaerocephalus Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  squalidus L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  streptanthifolius Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. borealis (Torr. & Gray) J.F. Bain Synonymy: Senecio aureus var. borealis Torr. & Gray , Senecio cymbalarioides var. borealis (Torr. & Gray) Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. kluanei J.F. Bain

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. laetiflorus (Greene) J.F. Bain Synonymy: Senecio laetiflorus Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. oodes (Rydb.) J.F. Bain Synonymy: Packera oodes (Rydb.) W.A. Weber , Senecio leonardii Rydb. , Senecio oodes Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. rubricaulis (Greene) J.F. Bain Synonymy: Senecio acutidens Rydb. , Senecio jonesii Rydb. , Senecio pammelii Greenm. , Senecio platylobus Rydb. , Senecio rubricaulis Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. streptanthifolius Synonymy: Packera streptanthifolia (Greene) W.A. Weber & A. Löve , Senecio adamsii T.J. Howell , Senecio cymbalarioides Nutt., non Buek , Senecio cymbalarioides var. suksdorfii (Greenm.) M.E. Peck , Senecio fulgens Rydb. , Senecio longipetiolatus Rydb. , Senecio subcuneatus Rydb. , Senecio suksdorfii Greenm. , Senecio wardii Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. wallowensis J.F. Bain

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  sylvaticus L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  tampicanus DC. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Senecio greggii Rydb. , Senecio imparipinnatus Klatt

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  taraxacoides (Gray) Greene Synonymy: Ligularia taraxacoides (Gray) W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  tomentosus Michx. Present in the Texas flora and known locally as: Woolly groundsel (Texas Distribution by vegetation zone) Synonymy: Senecio alabamensis Britt. ex Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  triangularis Hook. Synonymy: Senecio gibbsonsii Greene , Senecio triangularis var. angustifolius G.N. Jones

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  tridenticulatus Rydb. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Packera tridenticulata (Rydb.) W.A. Weber & A. Löve , Senecio densus Greene , Senecio manitobensis Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  viscosus L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  vulgaris L. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  warnockii Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  werneriifolius (Gray) Gray Synonymy: Packera werneriifolia (Gray) W.A. Weber & A. Löve , Senecio aureus var. werneriifolius Gray , Senecio molinarius Greenm. , Senecio muirii Greenm. , Senecio saxosus Klatt , Senecio saxosus var. toiyabensis Greenm. , Senecio werneriifolius var. incertus Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  wootonii Greene Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  yukonensis Porsild

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Sericocarpus Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    asteroides (L.) B.S.P. Synonymy: Aster asteroides (L.) MacMillan , Aster paternus Cronq. , Conyza asteroides L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    linifolius (L.) B.S.P. Synonymy: Aster solidagineus Michx. , Conyza linifolia L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    oregonensis Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. californicus (Dur.) Nesom Synonymy: Aster oregonensis ssp. californicus (Dur.) Keck , Sericocarpus californicus Dur. , Sericocarpus oregonensis ssp. californicus (Dur.) Ferris

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. oregonensis Synonymy: Aster oregonensis (Nutt.) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    rigidus Lindl. Synonymy: Aster curtus Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    tortifolius (Michx.) Nees Synonymy: Aster bifoliatus (Walt.) Ahles , Aster tortifolius Michx. , Conyza bifoliata Walt. , Sericocarpus acutisquamosus (Nash) Small , Sericocarpus bifoliatus (Walt.) Porter

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Serratula L. - PLUMELESS-SAW-WORT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      tinctoria L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Shinnersoseris S. Tomb - BEAKED-SKELETON-WEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        rostrata (Gray) S. Tomb Present in the Texas flora, local name unknown. No Texas distribution data available Synonymy: Lygodesmia rostrata (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Sigesbeckia L. - ST. PAUL'S-WORT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          orientalis L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Silphium L. - ROSINWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            albiflorum Gray Present in the Texas flora and known locally as: White rosinweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            asteriscus L. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. angustatum Gray Synonymy: Silphium angustum (Gray) Small , Silphium dentatum var. angustatum (Gray) Perry

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. asteriscus Synonymy: Silphium asteriscus var. scabrum Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. laevicaule DC. Synonymy: Silphium asteriscus var. dentata (Ell.) Chapman , Silphium dentatum Ell. , Silphium elliottii Small , Silphium incisum Greene , Silphium nodum Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            brachiatum Gattinger

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            compositum Michx.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. compositum Synonymy: Silphium orae Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. ovatifolium Torr. & Gray Synonymy: Silphium compositum ssp. ovatifolium (Torr. & Gray) Sweeny & T.R. Fisher , Silphium ovatifolium (Torr. & Gray) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. reniforme (Raf. ex Nutt.) Torr. & Gray Synonymy: Silphium compositum ssp. reniforme (Raf. ex Nutt.) Sweeny & T.R. Fisher , Silphium reniforme Raf. ex Nutt. , Silphium terebinthinaceum Ell., non Jacq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. venosum (Small) Kartesz & Gandhi Synonymy: Silphium compositum ssp. venosum (Small) Sweeny & T.R. Fisher , Silphium lapsuum Small , Silphium venosum Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            gracile Gray Present in the Texas flora and known locally as: Simpson rosinweed, slender rosinweed (Texas Distribution by vegetation zone) Synonymy: Silphium simpsonii var. wrightii Perry

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            integrifolium Michx.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. deamii Perry Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. gattingeri Perry

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. integrifolium Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Silphium laevigatum Pursh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. laeve Torr. & Gray Synonymy: Silphium speciosum Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. neglectum Settle & T.R. Fisher

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            laciniatum L. Present in the Texas flora and known locally as: Compassplant (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. laciniatum

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. robinsonii Perry

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            mohrii Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            perfoliatum L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. connatum (L.) Cronq. Synonymy: Silphium connatum L. , Silphium perfoliatum ssp. connatum (L.) Cruden , Silphium scabrum Moench, non Walt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. perfoliatum

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            pinnatifidum Ell. Synonymy: Silphium chickamaugense Canby , Silphium terebinthinaceum var. pinnatifidum (Ell.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            radula Nutt. Present in the Texas flora and known locally as: Roughstem rosinweed (Texas Distribution by vegetation zone) Synonymy: Silphium asperrimum Hook. , Silphium dentatum var. gatesii (C. Mohr) Ahles , Silphium gatesii C. Mohr

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            reverchonii Bush

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            scaberrimum Ell.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            simpsonii Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            terebinthinaceum Jacq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. luciae-brauniae Steyermark

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. terebinthinaceum Synonymy: Silphium rumicifolium Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            trifoliatum L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. latifolium Gray Synonymy: Silphium confertifolium Small , Silphium glabrum Eggert ex Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. trifoliatum Synonymy: Silphium atropurpureum Retz. ex Willd. , Silphium laevigatum Ell., non Pursh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            wasiotense M. Medley

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Silybum Adans. - MILK-THISTLE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              marianum (L.) Gaertn. Present in the Texas flora and known locally as: Blessed milk thistle (Texas Distribution by vegetation zone) Synonymy: Carduus marianus L. , Mariana mariana (L.) Hill

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Simsia Pers. - BUSH-SUNFLOWER

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                calva (Engelm. & Gray) Gray Present in the Texas flora and known locally as: Awnless bush sunflower (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                lagasceiformis DC. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Simsia exaristata Gray , Simsia exaristata var. perplexa Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Smallanthus Mackenzie ex Small - HAIRY-LEAFCUP

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  uvedalius (L.) Mackenzie ex Small Present in the Texas flora and known locally as: Hairy leafcup (Texas Distribution by vegetation zone) Synonymy: Osteospermum uvedalia L. , Polymnia uvedalia (L.) L. , Polymnia uvedalia var. densipilis Blake , Polymnia uvedalia var. floridana Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Solidago L. - GOLDENROD

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    albopilosa E.L. Braun Listed by the U.S. FWS as threatened - the FWS local name is White-haired goldenrod and the FWS range is: U.S.A. (KY).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    altiplanities C.& J. Taylor Present in the Texas flora and known locally as: Highplains goldenrod (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    arguta Ait.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. arguta Synonymy: Solidago tarda Mackenzie

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. boottii (Hook.) Palmer & Steyermark Present in the Texas flora and known locally as: Boott's cutleaf goldenrod (Texas Distribution by vegetation zone) Synonymy: Solidago arguta ssp. boottii (Hook.) G. Morton , Solidago boottii Hook. , Solidago dispersa Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. caroliniana Gray Synonymy: Solidago arguta ssp. caroliniana (Gray) G. Morton , Solidago arguta ssp. pseudoyadkinensis G. Morton , Solidago boottii var. caroliniana (Gray) Cronq. , Solidago yadkinensis (Porter) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. harrisii (Steele) Cronq. Synonymy: Solidago harrisii Steele

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. neurolepis (Fern.) Steyermark Synonymy: Solidago neurolepis Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    X asperula Desf. (pro sp.) [rugosa X sempervirens]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    auriculata Shuttlw. ex Blake Present in the Texas flora and known locally as: Clasping leaf goldenrod (Texas Distribution by vegetation zone) Synonymy: Solidago amplexicaulis Torr. & Gray ex Gray, non Martens , Solidago notabilis Mackenzie

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    X beaudryi Boivin [rugosa X uliginosa]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    bicolor L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    brachyphylla Chapman Synonymy: Solidago boottii var. brachyphylla (Chapman) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    buckleyi Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    caesia L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. caesia Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Solidago axillaris Pursh , Solidago caesia var. axillaris (Pursh) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. curtisii (Torr. & Gray) Wood Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Solidago caesia var. hispida Wood , Solidago curtisii Torr. & Gray , Solidago curtisii var. pubens (M.A. Curtis) Gray , Solidago lancifolia Torr. & Gray , Solidago monticola Torr. & Gray , Solidago pubens M.A. Curtis

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    calcicola Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    californica Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    canadensis L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. bartramiana (Fern.) Beaudry Synonymy: Solidago bartramiana Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. canadensis

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. gilvocanescens Rydb. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Solidago altissima var. gilvocanescens (Rydb.) Semple , Solidago gilvocanescens (Rydb.) Smyth , Solidago pruinosa Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. hargeri Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. lepida (DC.) Cronq. Synonymy: Solidago canadensis var. subserrata (DC.) Cronq. , Solidago lepida DC. , Solidago lepida var. molina Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. salebrosa (Piper) M.E. Jones Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Solidago canadensis ssp. elongata (Nutt.) Keck , Solidago canadensis ssp. salebrosa (Piper) Keck , Solidago canadensis var. elongata (Nutt.) M.E. Peck , Solidago elongata Nutt. , Solidago lepida var. elongata (Nutt.) Fern. , Solidago lepida var. fallax Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. scabra Torr. & Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Solidago altissima L. , Solidago altissima var. pluricephala M.C. Johnston , Solidago altissima var. procera (Ait.) Fern. , Solidago hirsutissima P. Mill. , Solidago lunellii Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    cutleri Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    deamii Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    discoidea Ell. Synonymy: Brintonia discoidea (Ell.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    dumetorum Lunell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    X erskinei Boivin [canadensis X sempervirens]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    fistulosa P. Mill.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    flaccidifolia Small Synonymy: Solidago caesia var. paniculata Gray , Solidago gracilis Poir.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    flexicaulis L. Synonymy: Solidago latifolia L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    gattingeri Chapman

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    gigantea Ait. Present in the Texas flora and known locally as: Giant goldenrod (Texas Distribution by vegetation zone) Synonymy: Aster latissimifolius var. serotinus Kuntze , Solidago gigantea ssp. serotina (Kuntze) McNeill , Solidago gigantea var. leiophylla Fern. , Solidago gigantea var. pitcheri (Nutt.) Shinners , Solidago gigantea var. serotina (Kuntze) Cronq. , Solidago gigantea var. shinnersii Beaudry , Solidago X leiophallax Friesner , Solidago pitcheri Nutt. , Solidago serotina Ait., non Retz. , Solidago serotinoides A.& D. Löve

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    glomerata Michx.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    gracillima Torr. & Gray Synonymy: Solidago austrina Small , Solidago flavovirens Chapman , Solidago perlonga Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    guiradonis Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    hispida Muhl. ex Willd.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. arnoglossa Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. hispida Synonymy: Solidago bicolor var. concolor Torr. & Gray , Solidago bicolor var. ovalis Farw.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. lanata (Hook.) Fern. Synonymy: Solidago bicolor var. lanata (Hook.) Seymour

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. tonsa Fern. Synonymy: Solidago bicolor var. tonsa (Fern.) Boivin

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    juliae Nesom Present in the Texas flora (treated as Solidago canadensis L. var. canescens Gray by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Solidago altissima var. canescens (Gray) M.C. Johnston , Solidago canadensis var. canescens Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    juncea Ait. Synonymy: Solidago juncea var. neobohemica Fern. , Solidago juncea var. ramosa Porter & Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    latissimifolia P. Mill. Synonymy: Solidago edisoniana Mackenzie , Solidago elliottii Torr. & Gray , Solidago elliottii var. ascendens Fern. , Solidago elliottii var. edisoniana (Mackenzie) Fern. , Solidago elliottii var. pedicellata Fern. , Solidago elliptica Ait. , Solidago mirabilis Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    leavenworthii Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ludoviciana (Gray) Small Present in the Texas flora and known locally as: Willow goldenrod (Texas Distribution by vegetation zone) Synonymy: Solidago boottii var. ludoviciana Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    X luteus (M.L. Green) Brouillet & Semple [canadensis X sp.] Synonymy: Asterago lutea (M.L. Green) T.H. Everett , Solidaster luteus M.L. Green

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    macrophylla Pursh Synonymy: Solidago macrophylla var. thyrsoidea (E. Mey.) Fern. , Solidago mensalis Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    missouriensis Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. fasciculata Holz. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Solidago glaberrima Martens , Solidago glaberrima var. moritura (Steele) Palmer & Steyermark , Solidago missouriensis var. glaberrima (Martens) Rosendahl & Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. missouriensis Synonymy: Solidago missouriensis var. extraria Gray , Solidago missouriensis var. montana Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. tenuissima (Woot. & Standl.) C.& J. Taylor Synonymy: Solidago tenuissima Woot. & Standl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. tolmieana (Gray) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    mollis Bartl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. angustata Shinners Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. mollis Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    multiradiata Ait.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. arctica (DC.) Fern. Synonymy: Solidago virgauera var. arctica DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. multiradiata Synonymy: Solidago anticostensis Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. parviceps Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. scopulorum Gray Synonymy: Solidago ciliosa Greene , Solidago multiradiata ssp. scopulorum (Gray) W.A. Weber , Solidago scopulorum (Gray) A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    nana Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    nemoralis Ait.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. longipetiolata (Mackenzie & Bush) Palmer & Steyermark Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Solidago decemflora DC. , Solidago longipetiolata Mackenzie & Bush , Solidago nemoralis ssp. decemflora (DC.) Brammall , Solidago nemoralis ssp. longipetiolata (Mackenzie & Bush) G.W. Douglas , Solidago nemoralis var. decemflora (DC.) Fern. , Solidago pulcherrima A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. nemoralis Present in the Texas flora and known locally as: Oldfield goldenrod (Texas Distribution by vegetation zone) Synonymy: Solidago nemoralis ssp. haleana (Fern.) G.W. Douglas , Solidago nemoralis var. haleana Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    nitida Torr. & Gray Present in the Texas flora and known locally as: Shiny goldenrod, flat-topped goldenrod (Texas Distribution by vegetation zone) Synonymy: Oligoneuron nitidum (Torr. & Gray) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    odora Ait. Present in the Texas flora and known locally as: Fragrant goldenrod, sweet goldenrod (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. chapmanii (Gray) Cronq. Synonymy: Solidago chapmanii Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. odora Synonymy: Solidago suaveolens Schoepf

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ouachitensis C.& J. Taylor

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    X ovata Friesner (pro sp.) [sphacelata X ulmifolia]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    parryi (Gray) Greene Synonymy: Haplopappus parryi Gray , Oreochrysum parryi (Gray) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    patula Muhl. ex Willd.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. patula

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. strictula Torr. & Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Solidago arguta var. strigosa (Small) Steyermark , Solidago salicina Ell. , Solidago strigosa Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    petiolaris Ait. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Solidago angusta Torr. & Gray , Solidago lindheimeriana Scheele , Solidago milleriana Mackenzie , Solidago petiolaris var. angusta (Torr. & Gray) Gray , Solidago petiolaris var. wardii (Britt.) Fern. , Solidago wardii Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    pinetorum Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    plumosa Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    porteri Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    puberula Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. puberula

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. pulverulenta (Nutt.) Chapman Synonymy: Solidago pulverulenta Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    pulchra Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    radula Nutt. Present in the Texas flora and known locally as: Rough goldenrod (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. laeta (Greene) Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. radula Synonymy: Solidago pendula Small , Solidago rotundifolia DC. , Solidago scaberrima Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. stenolepis Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    X raymondii Rouss. [simplex X victorinii]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    roanensis Porter Synonymy: Solidago maxonii Pollard , Solidago roanensis var. monticola (Torr. & Gray) Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    rugosa P. Mill. Present in the Texas flora and known locally as: Harsh goldenrod, roughleaf goldenrod (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. aspera (Ait.) Cronq. Present in the Texas flora and known locally as: Celtifleaf goldenrod (Texas Distribution by vegetation zone) Synonymy: Solidago aspera Ait. , Solidago celtidifolia Small , Solidago drummondii Torr. & Gray , Solidago rugosa var. celtidifolia (Small) Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. rugosa

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. rugosa Synonymy: Solidago scabra Muhl. ex Willd., non Muhl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. sphagnophila Graves Synonymy: Solidago aestivalis Bickn.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. villosa (Pursh) Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    rupestris Raf. Synonymy: Solidago canadensis var. rupestris (Raf.) Porter

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    sciaphila Steele

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    sempervirens L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. mexicana (L.) Fern. Present in the Texas flora and known locally as: Seaside goldenrod (Texas Distribution by vegetation zone) Synonymy: Solidago angustifolia Ell. , Solidago mexicana L. , Solidago petiolata auct. non P. Mill.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. sempervirens Present in the Texas flora and known locally as: Seaside goldenrod (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    shortii Torr. & Gray Listed by the U.S. FWS as endangered, the FWS local name is Short's goldenrod and the FWS range is: U.S.A. (KY). Listed on September 5, 1985 (Volume 50 Federal Register 36089).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    simplex Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. randii (Porter) Ringius

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. gillmanii (Gray) Ringius Synonymy: Solidago gillmanii (Gray) Steele , Solidago glutinosa var. gillmanii (Gray) Cronq. , Solidago racemosa var. gillmanii (Gray) Fern. , Solidago spathulata var. gillmanii (Gray) Gleason

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. monticola (Porter) Ringius Synonymy: Solidago randii var. monticola (Porter) Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. ontarioensis (Ringius) Ringius Synonymy: Solidago glutinosa var. ontarioensis Ringius

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. racemosa (Greene) Ringius Synonymy: Solidago glutinosa var. racemosa (Greene) Cronq. , Solidago racemosa Greene , Solidago spathulata var. racemosa (Greene) Gleason

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. randii (Porter) Kartesz & Gandhi Synonymy: Solidago glutinosa ssp. randii (Porter) Cronq. , Solidago randii (Porter) Britt. , Solidago spathulata ssp. randii (Porter) Gleason

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. simplex

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. chlorolepis (Fern.) Ringius Synonymy: Solidago chlorolepis Fern. , Solidago glutinosa var. chlorolepis (Fern.) Ringius

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. nana (Gray) Ringius Synonymy: Solidago bellidifolia Greene , Solidago decumbens Greene , Solidago decumbens var. oreophila (Rydb.) Fern. , Solidago glutinosa var. nana (Gray) Cronq. , Solidago oreophila Rydb. , Solidago spathulata var. nana (Gray) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. simplex Present in the Texas flora (treated as Solidago spathulata DC. var. neomexicana (Gray) Cronq. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Solidago glutinosa Nutt. , Solidago neomexicana (Gray) Woot. & Standl. , Solidago spathulata ssp. glutinosa (Nutt.) Keck , Solidago spathulata var. neomexicana (Gray) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. spathulata (DC.) Cronq. Synonymy: Solidago spathulata DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    simulans Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    speciosa Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. erecta (Pursh) MacM. Synonymy: Solidago erecta Pursh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. jejunifolia (Steele) Cronq. Synonymy: Solidago jejunifolia Steele , Solidago uliginosa var. jejunifolia (Steele) Boivin

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. pallida Porter Synonymy: Solidago pallida (Porter) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. rigidiuscula Torr. & Gray Present in the Texas flora and known locally as: Noble goldenrod (Texas Distribution by vegetation zone) Synonymy: Solidago rigidiuscula (Torr. & Gray) Porter , Solidago speciosa var. angustata Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. speciosa Synonymy: Solidago conferta P. Mill. , Solidago harperi Mackenzie

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    spectabilis (D.C. Eat.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. confinis (Gray) Cronq. Synonymy: Solidago confinis Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. spectabilis

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    sphacelata Raf. Synonymy: Brachychaeta sphacelata (Raf.) Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    spithamaea M.A. Curtis Listed by the U.S. FWS as threatened - the FWS local name is Blue Ridge goldenrod and the FWS range is: U.S.A. (NC, TN).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    squarrosa Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    stricta Ait. Present in the Texas flora and known locally as: Willowleaf goldenrod, seaside goldenrod (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    tortifolia Ell. Present in the Texas flora and known locally as: Twistleaf goldenrod (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    uliginosa Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. levipes (Fern.) Fern. Synonymy: Solidago uniligulata var. levipes Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. linoides (Torr. & Gray) Fern. Synonymy: Solidago chrysolepis Fern. , Solidago farwellii Fern. , Solidago purshii Porter , Solidago uliginosa var. peracuta (Fern.) Friesner

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. terrae-novae (Torr. & Gray) Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. uliginosa Synonymy: Solidago neglecta Torr. & Gray , Solidago uliginosa var. neglecta (Torr. & Gray) Fern. , Solidago uniligulata (DC.) Porter

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    X ulmicaesia Friesner [caesia X ulmifolia]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ulmifolia Muhl. ex Willd.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. microphylla Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Solidago delicatula Small , Solidago helleri Small , Solidago microphylla (Gray) Engelm. ex Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. palmeri Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. ulmifolia

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    velutina DC. Present in the Texas flora (treated as Solidago velutina DC. var. nevadensis (Gray) C. & J. Taylor by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Solidago arizonica (Gray) Woot. & Standl. , Solidago californica var. nevadensis Gray , Solidago canadensis var. arizonica Gray , Solidago howellii Woot. & Standl. , Solidago sparsiflora Gray , Solidago spathulata var. subcinerea Gray , Solidago trinervata Greene , Solidago velutina var. nevadensis (Gray) C.& J. Taylor

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    verna M.A. Curtis

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    victorinii Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    wrightii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. adenophora Blake Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Solidago bigelovii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. wrightii Present in the Texas flora and known locally as: Wright's goldenrod (Texas Distribution by vegetation zone) Synonymy: Solidago bigelovii var. wrightii (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Soliva Ruiz & PavĒn - BURRWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      mutisii Kunth Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      sessilis Ruiz & PavĒn Present in the Texas flora (treated as Soliva pterosperma (Juss.) Less. by Hatch et al, 1990) and known locally as: Lawn burweed (Texas Distribution by vegetation zone) Synonymy: Soliva daucifolia Nutt. , Soliva pterosperma (Juss.) Less.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Sonchus L. - SOW-THISTLE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        arvensis L. Present in the Texas flora, local name unknown. No Texas distribution data available

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ssp. arvensis Synonymy: Sonchus arvensis var. shumovichii Boivin

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ssp. uliginosus (Bieb.) Nyman Synonymy: Sonchus arvensis var. glabrescens Guenth., Grab. & Wimmer , Sonchus uliginosus Bieb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        asper (L.) Hill Present in the Texas flora and known locally as: Prickly sowthistle, achicoria dulce (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ssp. asper

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ssp. glaucescens (Jord.) J. Ball Synonymy: Sonchus nymanii Tineo & Guss.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        oleraceus L. Present in the Texas flora and known locally as: Common sowthistle (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        palustris L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        tenerrimus L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Sphaeromeria Nutt. - CHICKEN-SAGE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          argentea Nutt. Synonymy: Tanacetum nuttallii Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          cana (D.C. Eat.) Heller Synonymy: Tanacetum canum D.C. Eat.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          capitata Nutt. Synonymy: Tanacetum capitatum (Nutt.) Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          compacta (Hall) Holmgren, Shultz & Lowrey Synonymy: Tanacetum compactum Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          diversifolia (D.C. Eat.) Rydb. Synonymy: Tanacetum diversifolium D.C. Eat.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          potentilloides (Gray) Heller

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. nitrophila (Cronq.) Holmgren, Shultz & Lowrey Synonymy: Tanacetum potentilloides var. nitrophilum Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            var. potentilloides Synonymy: Tanacetum potentilloides (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ruthiae Holmgren, Shultz & Lowrey

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          simplex (A. Nels.) Heller Synonymy: Tanacetum simplex A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Spilanthes Jacq. - PIGEONCOOP

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            urens Jacq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Spiracantha Kunth - DOGWOODLEAF

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              cornifolia Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Stebbinoseris gen. nov. ined.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                decipiens (Nutt.) Chambers Synonymy: Microseris decipiens Chambers

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                heterocarpa (Nutt.) Chambers Synonymy: Microseris heterocarpa (Nutt.) Chambers

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Stenotus Nutt. - MOCK GOLDENWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  acaulis (Nutt.) Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. acaulis Synonymy: Haplopappus acaulis (Nutt.) Gray , Haplopappus acaulis ssp. typicus Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. glabratus (D.C. Eat.) Kartesz & Gandhi Synonymy: Haplopappus acaulis var. glabratus D.C. Eat.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  armerioides Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. armerioides Synonymy: Haplopappus armerioides (Nutt.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. gramineus (Welsh & F.G. Sm.) Kartesz & Gandhi Synonymy: Haplopappus armerioides var. gramineus Welsh & F.G. Sm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  borealis Rydb. Synonymy: Haplopappus macleanii Brandeg.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  lanuginosus (Gray) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. andersonii (Rydb.) Hall Synonymy: Haplopappus lanuginosus ssp. andersonii (Rydb.) Hall , Haplopappus lanuginosus var. andersonii (Rydb.) Cronq. , Stenotus andersonii Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. lanuginosus Synonymy: Haplopappus lanuginosus Gray , Haplopappus lanuginosus ssp. typicus Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  stenophyllus (Gray) Greene Synonymy: Haplopappus stenophyllus Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Stephanomeria Nutt. - WIRE-LETTUCE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    blairii Munz & Johnston Synonymy: Malacothrix blairii (Munz & Johnston) Munz & Johnston , Munzothamnus blairii (Munz & Johnston) Raven

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    cichoriacea Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    diegensis Gottlieb

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    elata Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    exigua Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. carotifera (Hoover) Gottlieb Synonymy: Stephanomeria carotifera Hoover

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. coronaria (Greene) Gottlieb Synonymy: Stephanomeria exigua var. coronaria (Greene) Jepson

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. deanei (J.F. Macbr.) Gottlieb Synonymy: Stephanomeria exigua var. deanei J.F. Macbr.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. exigua Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Lygodesmia bigelovii (Gray) Shinners , Stephanomeria exigua ssp. pentachaeta D.C. Eat. , Stephanomeria exigua var. pentachaeta (D.C. Eat.) Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. macrocarpa Gottlieb

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    lactucina Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    lygodesmoides M.E. Jones

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    malheurensis Gottlieb Listed by the U.S. FWS as endangered, the FWS local name is Malheur wire-lettuce and the FWS range is: U.S.A. (OR). Listed on November 10, 1982 (Volume 47 Federal Register 50885).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    paniculata Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    parryi Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    pauciflora (Torr.) A. Nels. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Lygodesmia pauciflora (Torr.) Shinners , Ptiloria pauciflora (Torr.) Raf. , Stephanomeria cinerea (Blake) Blake , Stephanomeria neomexicana (Greene) Cory , Stephanomeria pauciflora var. parishii (Jepson) Munz

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    runcinata Nutt. Synonymy: Ptiloria ramosa Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    schottii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    spinosa (Nutt.) S. Tomb Synonymy: Lygodesmia spinosa Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    tenuifolia (Raf.) Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. myrioclada (D.C. Eat.) Cronq. Synonymy: Stephanomeria myrioclada D.C. Eat.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. tenuifolia Synonymy: Lygodesmia tenuifolia (Raf.) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      var. uintensis Goodrich & Welsh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    thurberi Gray Synonymy: Lygodesmia thurberi (Gray) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    virgata Benth.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. pleurocarpa (Greene) Gottlieb

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. virgata Synonymy: Stephanomeria virgata var. tomentosa (Greene) Munz

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    wrightii Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Lygodesmia wrightii (Gray) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Stevia Cav. - CANDYLEAF

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      lemmonii (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      micrantha Lag.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ovata Willd.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. ovata

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. texana Grashoff Present in the Texas flora and known locally as: Roundleaf stevia (Texas Distribution by vegetation zone) Synonymy: Stevia rhombifolia Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      plummerae Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. alba Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. plummerae

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      salicifolia Cav. Present in the Texas flora and known locally as: Hierba del aire (Texas Distribution by vegetation zone) Synonymy: Stevia salicifolia var. stenophylla (Gray) B.L. Robins. , Stevia stenophylla Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      serrata Cav. Present in the Texas flora and known locally as: Sawtooth stevia (Texas Distribution by vegetation zone) Synonymy: Stevia serrata var. haplopappa B.L. Robins. , Stevia serrata var. ivifolia (Willd.) B.L. Robins.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      viscida Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Stokesia L'Hér. - STOKES'-ASTER

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        laevis (Hill) Greene Synonymy: Carthamus laevis Hill

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Struchium P. Br. - YERBA-DE-FAJA

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          sparganophorum (L.) Kuntze Synonymy: Ethulia sparganophora L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Stylocline Nutt. - NESTSTRAW

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            citroleum Morefield

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            gnaphalioides Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            intertexta Morefield

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            masonii Morefield

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            micropoides Gray Present in the Texas flora and known locally as: Woolly-head fambract (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            psilocarphoides M.E. Peck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            sonorensis Wiggins

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Synedrella Gaertn. - NODEWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              nodiflora (L.) Gaertn. Synonymy: Verbesina nodiflora L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Syntrichopappus Gray - FREMONT'S-GOLD

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                fremontii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                lemmonii (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Tagetes L. - MARIGOLD

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  erecta L. Synonymy: Tagetes major Gaertn.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  lemmonii Gray Synonymy: Tagetes alamensis Rydb. , Tagetes palmeri Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  micrantha Cav. Present in the Texas flora and known locally as: Little marigold, licorice marigold (Texas Distribution by vegetation zone) Synonymy: Tagetes fragrantissima Sessé & Moc.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  minima L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  minuta L. Synonymy: Tagetes bonariensis Pers. , Tagetes glandulifera Schrank , Tagetes glandulosa Schrank ex Link , Tagetes porophylla Vell.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  patula L. Synonymy: Tagetes corymbosa Sweet , Tagetes remotiflora Kunze , Tagetes tenuifolia Millsp.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  pusilla Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Tanacetum L. - TANSY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    bipinnatum (L.) Schultz-Bip.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. bipinnatum Synonymy: Chrysanthemum bipinnatum L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      ssp. huronense (Nutt.) Breitung Synonymy: Chrysanthemum bipinnatum ssp. huronense (Nutt.) Hultén , Tanacetum huronense Nutt. , Tanacetum huronense var. bifarium Fern. , Tanacetum huronense var. floccosum Raup , Tanacetum huronense var. johannense Fern. , Tanacetum huronense var. terrae-novae Fern.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    camphoratum Less. Synonymy: Tanacetum douglasii DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    parthenium (L.) Schultz-Bip. Synonymy: Chrysanthemum parthenium (L.) Bernh. , Matricaria parthenium L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    vulgare L. Synonymy: Chrysanthemum uliginosum Pers. , Chrysanthemum vulgare (L.) Bernh. , Tanacetum vulgare var. crispum DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Taraxacum G.H. Weber ex Wiggers - DANDELION

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      californicum Munz & Johnston

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      eriophorum Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      laevigatum (Willd.) DC. Synonymy: Leontodon erythrospermum (Andrz. ex Bess.) Britt. , Taraxacum disseminatum Hagl. , Taraxacum erythrospermum Andrz. ex Bess. , Taraxacum lacistophyllum (Dahlst.) Raunk. , Taraxacum scanicum Dahlst.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      lyratum (Ledeb.) DC. Synonymy: Taraxacum kamtschaticum Dahlst. , Taraxacum scopulorum (Gray) Rydb. , Taraxacum sibiricum Dahlst.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      officinale G.H. Weber ex Wiggers Present in the Texas flora and known locally as: Common dandelion (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ssp. ceratophorum (Ledeb.) Schinz ex Thellung Synonymy: Taraxacum ambigens Fern. , Taraxacum ambigens var. flutius Fern. , Taraxacum amphiphron Böcher , Taraxacum arctogenum Dahlst. , Taraxacum brachyceras Dahlst. , Taraxacum carneocoloratum A. Nels. , Taraxacum carthamopsis Porsild , Taraxacum ceratophorum (Ledeb.) DC. , Taraxacum dumetorum Greene , Taraxacum eurylepium Dahlst. , Taraxacum hyperboreum Dahlst. , Taraxacum integratum Hagl. , Taraxacum lacerum Greene , Taraxacum lapponicum Kihlm. ex Hand.-Maz. , Taraxacum latispinulosum M.P. Christens. , Taraxacum laurentianum Fern. , Taraxacum longii Fern. , Taraxacum malteanum Dahlst. , Taraxacum maurolepium Hagl. , Taraxacum mitratum Hagl. , Taraxacum multesimum Hagl. , Taraxacum naevosum Dahlst. , Taraxacum ovinum Rydb. , Taraxacum paucisquamosum M.E. Peck , Taraxacum pellianum Porsild , Taraxacum pseudonorvegicum Dahlst. , Taraxacum purpuridens Dahlst. , Taraxacum torngatense Fern. , Taraxacum trigonolobum Dahlst. , Taraxacum umbrinum Dahlst.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ssp. officinale Synonymy: Taraxacum atroglaucum M.P. Christens. , Taraxacum campylodes Hagl. , Taraxacum croceum auct. non Dahlst. , Taraxacum curvidens M.P. Christens. , Taraxacum cyclocentrum M.P. Christens. , Taraxacum dahlstedtii Lindb. f. , Taraxacum davidssonii M.P. Christens. , Taraxacum devians Dahlst. , Taraxacum dilutisquameum M.P. Christens. , Taraxacum firmum Dahlst. , Taraxacum islandiciforme Dahlst. , Taraxacum kok-saghyz auct. non Rodin , Taraxacum officinale var. palustre (Lyons) Blytt p.p. , Taraxacum palustre (Lyons) Symons p.p. , Taraxacum pleniflorum M.P. Christens. , Taraxacum retroflexum Lindb. f. , Taraxacum rhodolepis Dahlst. , Taraxacum turforsum (Schultz-Bip.) Soest , Taraxacum undulatum Lindb. f. & Marklund , Taraxacum vagans Hagl. , Taraxacum xanthostigma Lindb. f.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ssp. vulgare (Lam.) Schinz & R. Keller Synonymy: Leontodon latiloba (DC.) Britt. , Leontodon taraxacum L. p.p. , Taraxacum latilobum DC. , Taraxacum palustre var. vulgare (Lam.) Fern. , Taraxacum vulgare Lam.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      phymatocarpum J. Vahl Synonymy: Taraxacum alaskanum Rydb. , Taraxacum arcticum (Trautv.) Dahlst. , Taraxacum hyparcticum Dahlst. , Taraxacum lateritium Dahlst. , Taraxacum mackenziense Porsild , Taraxacum pumilum Dahlst.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      spectabile Dahlst.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      turfosum (Schultz-Bip.) Van Soest

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Tetradymia DC. - HORSEBRUSH

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        argyraea Munz & Roos

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        axillaris A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. axillaris

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. longispina (M.E. Jones) Strother Synonymy: Tetradymia spinosa var. longispina M.E. Jones

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        canescens DC. Synonymy: Tetradymia canescens var. inermis (Rydb.) Payson

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        comosa Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        filifolia Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        glabrata Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        nuttallii Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        spinosa Hook. & Arn.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        stenolepis Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        tetrameres (Blake) Strother Synonymy: Tetradymia comosa ssp. tetrameres Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Tetragonotheca L. - NERVERAY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          helianthoides L. Synonymy: Gonotheca helianthoides (L.) Raf.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ludoviciana (Torr. & Gray) Gray ex Hall Present in the Texas flora and known locally as: Sawtooth nerve-ray (Texas Distribution by vegetation zone) Synonymy: Halea ludoviciana Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          repanda (Buckl.) Small Present in the Texas flora and known locally as: Showy nerve-ray (Texas Distribution by vegetation zone) Synonymy: Halea repanda Buckl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          texana Engelm. & Gray ex Gray Present in the Texas flora and known locally as: Plateau nerve-ray (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Tetramolopium Nees - TETRAMOLOPIUM

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            arenarium (Gray) Hbd. Listed by the U.S. FWS as endangered. The FWS range of distribution is: U.S.A. (HI). Listed on March 4, 1994 (Volume 59 Federal Register 10324).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ssp. arenarium

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. arenarium

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. confertum Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ssp. laxum Lowrey Synonymy: Tetramolopium arenarium var. dentatum Hbd.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            capillare (Gaud.) St. John Listed by the U.S. FWS as endangered, the FWS local name is Pamakani and the FWS range is: U.S.A. (HI). Listed on September 30, 1994 (Volume 59 Federal Register 49863). Synonymy: Luteidiscus capillaris (Gaud.) St. John , Senecio capillaris Gaud.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            consanguineum (Gray) Hbd.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ssp. consanguineum

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ssp. leptophyllum (Sherff) Lowrey

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. kauense Lowrey

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. leptophyllum Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            conyzoides (Gray) Hbd. Synonymy: Tetramolopium conyzoides var. dentatum (Mann) Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            filiforme Sherff Listed by the U.S. FWS as endangered. The FWS range of distribution is: U.S.A. (HI). Listed on October 29, 1991 (Volume 56 Federal Register 55785).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. filiforme

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. polyphyllum (Sherff) Lowrey Synonymy: Tetramolopium polyphyllum Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            humile (Gray) Hbd.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ssp. haleakalae Lowrey

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ssp. humile

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. humile Synonymy: Tetramolopium humile var. skottsbergii Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. sublaeve Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            lepidotum (Less.) Sherff Listed by the U.S. FWS as endangered. The FWS range of distribution is: U.S.A. (HI). Listed on October 29, 1991 (Volume 56 Federal Register 55785).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ssp. arbusculum (Gray) Lowrey Synonymy: Tetramolopium arbusculum (Gray) Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ssp. lepidotum Synonymy: Tetramolopium lepidotum var. luxurians (Hbd.) Sherff

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            remyi (Gray) Hbd. Listed by the U.S. FWS as endangered. The FWS range of distribution is: U.S.A. (HI). Listed on September 20, 1991 (Volume 56 Federal Register 47694). Synonymy: Vittadinia remyi Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            rockii Sherff Listed by the U.S. FWS as threatened. The FWS range of distribution is: U.S.A. (HI).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. calcisabulorum (St. John) Lowrey Synonymy: Luteidiscus calcisabulorus St. John , Tetramolopium calcisabulorum (St. John) St. John

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. rockii Synonymy: Luteidiscus rockii (Sherff) St. John

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            sylvae Lowrey

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            tenerrimum (Less.) Nees Synonymy: Aster tenerrimus Less.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Tetraneuris Greene - FOUR-NERVE-DAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              acaulis (Pursh) Greene Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. acaulis Synonymy: Actinea acaulis (Pursh) Spreng. , Actinella acaulis (Pursh) Nutt. , Hymenoxys acaulis (Pursh) Parker , Tetraneuris simplex A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. arizonica (Greene) Parker Synonymy: Actinea acaulis var. arizonica (Greene) Blake , Hymenoxys acaulis var. arizonica (Greene) Parker

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. caespitosa A. Nels. Synonymy: Hymenoxys acaulis var. caespitosa (A. Nels.) Parker , Hymenoxys acaulis var. lanata (Greene) Cronq. , Tetraneuris brevifolia Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. epunctata (A. Nels.) Kartesz, comb. nov. ined. Synonymy: Hymenoxys acaulis var. epunctata (A. Nels.) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. nana (Welsh) Kartesz, comb. nov. ined. Synonymy: Hymenoxys acaulis var. nana Welsh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              argentea (Gray) Greene Synonymy: Actinella argentea Gray , Hymenoxys argentea (Gray) Parker

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              brandegei (Porter ex Gray) Parker Synonymy: Hymenoxys brandegei Porter ex Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              depressa (Torr. & Gray ex Gray) Greene Synonymy: Hymenoxys depressa (Torr. & Gray ex Gray) Welsh & Reveal

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              grandiflora (Torr. & Gray ex Gray) Parker Synonymy: Actinea grandiflora (Torr. & Gray ex Gray) Kuntze , Hymenoxys grandiflora (Torr. & Gray ex Gray) Parker , Rydbergia grandiflora (Torr. & Gray ex Gray) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              herbacea Greene Listed by the U.S. FWS as threatened - the FWS local name is Lakeside daisy and the FWS range is: U.S.A. (IL, OH), Canada (Ont.). Treated by the FWS as Hymenoxys herbacea. Synonymy: Actinea herbacea (Greene) B.L. Robins. , Hymenoxys acaulis var. glabra (Gray) Parker , Hymenoxys herbacea (Greene) Cusick

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ivesiana Greene Synonymy: Hymenoxys acaulis var. ivesiana (Greene) Parker , Hymenoxys argentea var. ivesiana (Greene) Cronq. , Hymenoxys ivesiana (Greene) Parker , Tetraneuris mancosensis A. Nels. , Tetraneuris pilosa Cockerell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              linearifolia (Hook.) Greene Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. arenaria Bierner

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. linearifolia Synonymy: Hymenoxys linearifolia Hook.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              scaposa (DC.) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. argyrocaulon (Parker) Parker Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Hymenoxys scaposa var. argyrocaulon Parker

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. linearis (Nutt.) Parker Synonymy: Hymenoxys scaposa var. linearis (Nutt.) Parker

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. scaposa Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Hymenoxys glabra (Nutt.) Shinners , Hymenoxys scaposa (DC.) Parker , Hymenoxys scaposa var. glabra (Nutt.) Parker , Tetraneuris fastigiata Greene , Tetraneuris glabra (Nutt.) Greene , Tetraneuris stenophylla Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. villosa (Shinners) Shinners Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Hymenoxys scaposa var. villosa Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              torreyana (Nutt.) Greene Synonymy: Hymenoxys torreyana (Nutt.) Parker

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              turneri (Parker) Parker Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Hymenoxys turneri Parker

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Thelechitonia Cuatrec.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                gracilis (L.C. Rich.) H.E. Robins. & Cuatrec. Synonymy: Complaya gracilis (L.C. Rich.) Strother , Wedelia gracilis L.C. Rich.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                trilobata (L.) H.E. Robins. & Cuatrec. Present in the Texas flora (treated as Wedelia trilobata (L.) A.S. Hitchc. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Complaya trilobata (L.) Strother , Silphium trilobatum L. , Wedelia trilobata (L.) A.S. Hitchc.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Thelesperma Less. - GREENTHREAD

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ambiguum Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Thelesperma fraternum Shinners , Thelesperma megapotamicum var. ambiguum (Gray) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  burridgeanum (Regel, Korn. & Rach.) Blake Present in the Texas flora and known locally as: Burridge greenthread (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  caespitosum Dorn Synonymy: Thelesperma subnudum var. caespitosum (Dorn) Welsh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  curvicarpum T.E. Melchert Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  filifolium (Hook.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. filifolium Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Thelesperma trifidum (Poir.) Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. intermedium (Rydb.) Shinners Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Thelesperma intermedium Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  flavodiscum (Shinners) B.L. Turner Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  longipes Gray Present in the Texas flora and known locally as: Longstalk greenthread (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  megapotamicum (Spreng.) Kuntze Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Bidens megapotamica Spreng. , Thelesperma gracile (Torr.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  nuecense B.L. Turner Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  pubescens Dorn Synonymy: Thelesperma subnudum var. alpinum Welsh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  simplicifolium Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  subnudum Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. marginatum (Rydb.) T.E. Melchert ex Cronq. Synonymy: Thelesperma marginatum Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. subnudum

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Thurovia Rose - THREE-FLOWER-SNAKEWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    triflora Rose Present in the Texas flora (treated as Gutierrezia triflora (Rose) Lane by Hatch et al, 1990) and known locally as: Threeflower thurovia (Texas Distribution by vegetation zone) Synonymy: Gutierrezia triflora (Rose) M.A. Lane

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Thymophylla Lag. - PRICKLYLEAF

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      acerosa (DC.) Strother Present in the Texas flora and known locally as: Prickleleaf dogweed (Texas Distribution by vegetation zone) Synonymy: Dyssodia acerosa DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      aurea (Gray) Greene ex Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. aurea Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Dyssodia aurea (Gray) A. Nels. , Lowellia aurea Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. polychaeta (Gray) Strother Present in the Texas flora and known locally as: Manyawn dogweed (Texas Distribution by vegetation zone) Synonymy: Dyssodia aurea var. polychaeta (Gray) M.C. Johnston , Dyssodia polychaeta (Gray) B.L. Robins. , Thymophylla polychaeta Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      concinna (Gray) Strother Synonymy: Dyssodia concinna (Gray) B.L. Robins.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      micropoides (DC.) Strother Present in the Texas flora and known locally as: Woolly dogweed (Texas Distribution by vegetation zone) Synonymy: Dyssodia micropoides (DC.) Loes.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      pentachaeta (DC.) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. belenidium (DC.) Strother Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Dyssodia belenidium (DC.) Macloskie , Dyssodia pentachaeta var. belenidium (DC.) Strother , Dyssodia thurberi (Gray) B.L. Robins.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. hartwegii (Gray) Strother Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Dyssodia hartwegii (Gray) B.L. Robins. , Dyssodia pentachaeta ssp. hartwegii (Gray) Strother , Dyssodia pentachaeta var. hartwegii (Gray) Strother

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. pentachaeta Present in the Texas flora and known locally as: Parralena common dogweed (Texas Distribution by vegetation zone) Synonymy: Dyssodia pentachaeta (DC.) B.L. Robins. , Hymenatherum pentachaetum DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. puberula (Rydb.) Strother Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Dyssodia pentachaeta var. puberula (Rydb.) Strother

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      setifolia Lag.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. radiata (Gray) Strother Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Dyssodia setifolia var. greggii (Gray) M.C. Johnston , Dyssodia setifolia var. radiata (Gray) Strother

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. setifolia Synonymy: Dyssodia setifolia (Lag.) B.L. Robins.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      tenuiloba (DC.) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. tenuiloba Present in the Texas flora and known locally as: Bristleleaf dogweed (Texas Distribution by vegetation zone) Synonymy: Dyssodia tenuiloba (DC.) B.L. Robins.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. texana (Cory) Strother Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Dyssodia tenuiloba var. texana (Cory) Strother , Dyssodia texana Cory

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. treculii (Gray) Strother Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Dyssodia tenuiloba var. treculii (Gray) Strother , Dyssodia treculii (Gray) B.L. Robins.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        var. wrightii (Gray) Strother Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Dyssodia tenuiloba ssp. wrightii (Gray) Strother , Dyssodia wrightii (Gray) B.L. Robins.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      tephroleuca (Blake) Strother Present in the Texas flora and known locally as: Ashy dogweed (Texas Distribution by vegetation zone) Listed by the U.S. FWS as endangered, the FWS local name is Ashy dogweed and the FWS range is: U.S.A. (TX). Listed on July 19, 1984 (Volume 49 Federal Register 29234). Synonymy: Dyssodia tephroleuca Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Tithonia Desf. ex Juss. - SUNFLOWER-WEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        diversifolia (Hemsl.) Gray Synonymy: Mirasolia diversifolia Hemsl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        rotundifolia (P. Mill.) Blake Synonymy: Tagetes rotundifolia P. Mill.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        thurberi Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Tolpis Adans. - UMBRELLA-MILKWORT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          barbata (L.) Gaertn. Synonymy: Crepis barbata L. , Tolpis umbellata Bertol.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Tonestus A. Nels. - SERPENTWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            aberrans (A. Nels.) Nesom & Morgan Synonymy: Haplopappus aberrans (A. Nels.) Hall , Macronema aberrans A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            alpinus (L.C. Anders. & Goodrich) Nesom & Morgan Synonymy: Haplopappus alpinus L.C. Anders. & Goodrich

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            eximius (Hall) A. Nels. & J.F. Macbr. Synonymy: Haplopappus eximius Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            graniticus (Tiehm & L. Shultz) Nesom & Morgan Synonymy: Haplopappus graniticus Tiehm & L. Shultz

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            kingii (D.C. Eat.) Nesom

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. barnebyana (Welsh & Goodrich) Nesom Synonymy: Aster kingii var. barnebyana (Welsh & Goodrich) Welsh , Machaeranthera kingii var. barnebyana Welsh & Goodrich

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. kingii Synonymy: Aster kingii D.C. Eat. , Machaeranthera kingii (D.C. Eat.) Cronq. & Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            lyallii (Gray) A. Nels. Synonymy: Haplopappus lyallii Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            peirsonii (Keck) Nesom & Morgan Synonymy: Haplopappus peirsonii (Keck) J.T. Howell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            pygmaeus (Torr. & Gray) A. Nels. Synonymy: Haplopappus pygmaeus (Torr. & Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Townsendia Hook. - TOWNSEND-DAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              alpigena Piper

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. alpigena Synonymy: Townsendia montana M.E. Jones

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. caelilinensis (Welsh) Kartesz & Gandhi Synonymy: Townsendia montana var. caelilinensis Welsh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. minima (Eastw.) Dorn Synonymy: Townsendia minima Eastw. , Townsendia montana var. minima (Eastw.) Beaman

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              annua Beaman Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              aprica Welsh & Reveal Listed by the U.S. FWS as threatened - the FWS local name is Last Chance townsendia and the FWS range is: U.S.A. (UT). Synonymy: Townsendia jonesii var. lutea Welsh

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              condensata Parry ex Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. anomala (Heiser) Dorn Synonymy: Townsendia anomala Heiser

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. condensata

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              eximia Gray Synonymy: Townsendia vreelandii Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              exscapa (Richards.) Porter Present in the Texas flora and known locally as: Stemless townsendia (Texas Distribution by vegetation zone) Synonymy: Aster exscapus Richards. , Townsendia intermedia Rydb. , Townsendia sericea Hook.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              fendleri Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              florifer (Hook.) Gray Synonymy: Townsendia florifer var. watsonii (Gray) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              formosa Greene Synonymy: Townsendia pinetorum Greene ex A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              glabella Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              grandiflora Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              gypsophila T.K. Lowrey & P.J. Knight

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              hookeri Beaman

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              incana Nutt. Synonymy: Townsendia arizonica Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              jonesii (Beaman) Reveal

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. jonesii Synonymy: Townsendia mensana var. jonesii Beaman

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                var. tumulosa Reveal

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              leptotes (Gray) Osterhout Synonymy: Townsendia sericea var. leptotes Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              mensana M.E. Jones

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              microcephala Dorn

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              nuttallii Dorn

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              parryi D.C. Eat.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              rothrockii Gray ex Rothrock

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              scapigera D.C. Eat.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              smithii L. Shultz & A. Holmgren

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              spathulata Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              strigosa Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              texensis Larsen Present in the Texas flora and known locally as: Texas townsendia (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Tracyina Blake - INDIAN-HEAD-DRESS

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                rostrata Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Tragopogon L. - GOAT'S-BEARD

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  X crantzii Dichlt. [dubius X pratensis]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  dubius Scop. Present in the Texas flora and known locally as: Salsify (Texas Distribution by vegetation zone) Synonymy: Tragopogon dubius ssp. major (Jacq.) Voll. , Tragopogon major Jacq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  floccosus Waldst. & Kit.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  mirabilis Rouy

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  mirus Ownbey

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  miscellus Ownbey

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  X neohybridus Farw. [porrifolius X pratensis]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  porrifolius L. Present in the Texas flora and known locally as: Vegetable-oyster salsify, oyster plant (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  pratensis L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. orientalis (L.) Celak. Synonymy: Tragopogon orientalis L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    ssp. pratensis

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Trichocoronis Gray - BUGHEAL

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    riparia (Greene) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    rivularis Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Shinnersia rivularis (Gray) King & H.E. Robins.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    wrightii (Torr. & Gray) Gray Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Trichoptilium Gray - YELLOWDOME

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      incisum (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Tridax L. - COATBUTTONS

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        procumbens L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Tripleurospermum Schultz-Bip.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          maritima (L.) W.D.J. Koch

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ssp. maritima Synonymy: Chamomilla maritima (L.) Rydb. , Matricaria maritima L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ssp. phaeocephala (Rupr.) Hamet-Ahti Synonymy: Matricaria ambigua (Ledeb.) Krylov , Matricaria grandiflora (Hook.) Britt. , Matricaria hookeri (Schultz-Bip.) Czern. , Matricaria maritima var. nana (Hook.) Boivin , Matricaria maritima ssp. phaeocephala (Rupr.) Rauschert , Tripleurospermum phaeocephalum (Rupr.) Pobed.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          perforata (Merat) M. Lainz Synonymy: Chamomilla inodora (L.) Gilib. , Matricaria inodora L. , Matricaria maritima ssp. inodora (L.) Clapham , Matricaria maritima var. agrestis (Knaf) Wilmott , Matricaria perforata Mérat , Tripleurospermum inodorum (L.) Schultz-Bip.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Trixis P. Br. - THREEFOLD

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            californica Kellogg Present in the Texas flora and known locally as: American trixis (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            inula Crantz Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Trixis radialis (L.) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Tussilago L. - COLT'S-FOOT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              farfara L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Uropappus Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                linearifolius Nutt. Present in the Texas flora (treated as Microseris lindleyi (DC.) Gray by Hatch et al, 1990) and known locally as: Linearleaf microseris (Texas Distribution by vegetation zone) Synonymy: Microseris lindleyi (DC.) Gray , Microseris linearifolia (Nutt.) Schultz-Bip.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Urospermum Scop. - PRICKLY-GOLDENFLEECE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  picroides (L.) Scop. ex F.W. Schmidt

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Vanclevea Greene - FALSE GUMWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    stylosa (Eastw.) Greene Synonymy: Grindelia stylosa Eastw.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Varilla Gray - SALADILLO

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      texana Gray Present in the Texas flora and known locally as: Texas varilla, saladillo (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Venegasia DC. - CANYON-SUNFLOWER

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        carpesioides DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Venidium Less. - MONARCH-OF-THE-VELD

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          fastuosum (Jacq.) Stapf

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Verbesina L. - CROWNBEARD AND WINGSTEM

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            alata L. Synonymy: Hamulium alatum (L.) Cass. , Tepion alatum (L.) Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            alternifolia (L.) Britt. ex Kearney Present in the Texas flora and known locally as: Wingstem (Texas Distribution by vegetation zone) Synonymy: Actinomeris alternifolia (L.) DC. , Ridan alternifolia (L.) Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            aristata (Ell.) Heller Synonymy: Actinomeris nudicaulis Nutt. , Helianthus aristatus Ell. , Pterophyton aristatum (Ell.) Alexander , Verbesina nudicaulis (Nutt.) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            chapmanii J.R. Coleman

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            dissita Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            encelioides (Cav.) Benth. & Hook. f. ex Gray Present in the Texas flora and known locally as: Cowpen daisy, golden crown-beard (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ssp. encelioides Present in the Texas flora (treated as Verbesina mircoptera DC. by Hatch et al, 1990) and known locally as: Capitana (Texas Distribution by vegetation zone) Synonymy: Verbesina microptera (DC.) Herter, non DC. , Ximenesia encelioides Cav. , Ximenesia encelioides var. cana DC. p.p. , Ximenesia microptera DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ssp. exauriculata (Robins. & Greenm.) J.R. Coleman Synonymy: Verbesina encelioides var. exauriculata Robins. & Greenm. , Verbesina exauriculata (Robins. & Greenm.) Cockerell , Ximenesia encelioides var. exauriculata (Robins. & Greenm.) F.C. Gates , Ximenesia exauriculata (Robins. & Greenm.) Rydb.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            helianthoides Michx. Present in the Texas flora and known locally as: Gravelweed crown-beard (Texas Distribution by vegetation zone) Synonymy: Actinomeris helianthoides (Michx.) Nutt. , Actinomeris helianthoides var. elliottii DC. , Actinomeris helianthoides var. nuttallii DC. , Actinomeris oppositifolia DC. , Phaethusa helianthoides (Michx.) Britt. , Pterophyton helianthoides (Michx.) Alexander

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            heterophylla (Chapman) Gray Synonymy: Actinomeris heterophylla Chapman , Actinomeris pauciflora Nutt. , Pterophyton heterophyllum (Chapman) Alexander , Pterophyton pauciflorum (Nutt.) Alexander , Verbesina pauciflora (Nutt.) Small, non Hemsl. , Verbesina warei Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            lindheimeri Robins. & Greenm. Present in the Texas flora and known locally as: Lindheimer crown-beard (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            longifolia (Gray) Gray Synonymy: Actinomeris longifolia Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            microptera DC. Synonymy: Verbesina microptera var. mollissima Robins. & Greenm. , Verbesina texana Buckl.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            nana (Gray) Robins. & Greenm. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Wootonella nana (Gray) Standl. , Ximenesia encelioides var. nana Gray , Ximenesia nana (Gray) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            occidentalis (L.) Walt. Synonymy: Phaethusa occidentalis (L.) Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            oreophila Woot. & Standl. Present in the Texas flora and known locally as: Mountain crown-beard (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            rothrockii Robins. & Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            virginica L. Present in the Texas flora and known locally as: White crown-beard, frostweed, ice plant (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. laciniata (Poir.) Gray Synonymy: Phaethusa laciniata (Poir.) Small , Sigesbeckia laciniata Poir. , Verbesina laciniata (Poir.) Nutt. , Verbesina sinuata Ell. , Verbesina virginica var. insularis Robins. & Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. virginica Synonymy: Phaethusa virginica (L.) Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            walteri Shinners Synonymy: Ridan paniculata (Walt.) Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Vernonia Schreb. - IRONWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              acaulis (Walt.) Gleason

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              albicaulis Pers.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              angustifolia Michx.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. angustifolia

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. mohrii (S.B. Jones) S.B. Jones & Faust Synonymy: Vernonia angustifolia var. mohrii S.B. Jones

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. scaberrima (Nutt.) S.B. Jones & Faust Synonymy: Vernonia angustifolia var. scaberrima (Nutt.) Gray , Vernonia recurva Gleason , Vernonia scaberrima Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              arkansana DC. Synonymy: Vernonia crinita Raf.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              baldwinii Torr.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. baldwinii Present in the Texas flora and known locally as: Baldwin ironweed, western ironweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. interior (Small) Faust Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Vernonia interior Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              blodgettii Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              borinquensis Urban

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              cinerea (L.) Less. Synonymy: Senecioides cinerea (L.) Kuntze ex Britt. & Wilson , Vernonia cinerea var. parviflora (Reinw.) DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              X concinna Gleason (pro sp.) [angustifolia X gigantea]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              X dissimilis Gleason (pro sp.) [angustifolia X glauca]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              fasciculata Michx.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. corymbosa (Schwein. ex Keating) S.B. Jones Synonymy: Vernonia fasciculata var. corymbosa (Schwein. ex Keating) Daniels

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. fasciculata

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              flaccidifolia Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              X georgiana Bartlett (pro sp.) [acaulis X angustifolia]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              gigantea (Walt.) Trel. Present in the Texas flora and known locally as: Tall ironweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. gigantea Synonymy: Vernonia altissima Nutt. , Vernonia altissima var. lilacina Clute , Vernonia altissima var. taeniotricha Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                ssp. ovalifolia (Torr. & Gray) Urbatsch Synonymy: Vernonia ovalifolia Torr. & Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              glauca (L.) Willd. Synonymy: Vernonia noveboracensis var. tomentosa (Ell.) Britt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              X guadalupensis Heller (pro sp.) [baldwinii X lindheimeri] Value out of range (bonout3 : 571) Value out of range (bonout3 : 573) Present in the Texas flora, local name unknown. No Texas distribution data available

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              X illinoensis Gleason [gigantea X missurica]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              larsenii B.L. King & S.B. Jones Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Vernonia lindheimeri var. leucophylla Larsen

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              lettermannii Engelm. ex Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              lindheimeri Gray & Engelm. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              marginata (Torr.) Raf. Present in the Texas flora and known locally as: Plains ironweed, narrowleaf ironweed (Texas Distribution by vegetation zone) Synonymy: Vernonia marginata var. tenuifolia (Small) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              missurica Raf. Present in the Texas flora and known locally as: Missouri ironweed (Texas Distribution by vegetation zone) Synonymy: Vernonia aborigina Gleason

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              noveboracensis (L.) Michx. Synonymy: Vernonia harperi Gleason

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              X peralta Daniels [baldwinii X missurica]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              proctori Urbatsch Listed by the U.S. FWS as endangered. The FWS range of distribution is: U.S.A. (PR). Listed on April 27, 1993 (Volume 58 Federal Register 25758). Slight spelling change required for match to BONAP standard.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              pulchella Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              sericea L.C. Rich.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              texana (Gray) Small Present in the Texas flora and known locally as: Texas ironweed (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              X vulturina Shinners (pro sp.) [baldwinii X marginata] Present in the Texas flora, local name unknown. No Texas distribution data available

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Viguiera Kunth - GOLDENEYE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                cordifolia Gray Present in the Texas flora and known locally as: Heartleaf golden-eye (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                dentata (Cav.) Spreng. Present in the Texas flora and known locally as: Sunflower golden-eye (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  var. dentata Synonymy: Helianthus dentatus Cav.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  var. lancifolia Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                laciniata Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                parishii Greene Synonymy: Viguiera deltoidea var. parishii (Greene) Vasey & Rose

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                phenax Blake Present in the Texas flora (treated as Viguiera ludens (Shinners) M.C. Johnst. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Helianthus ludens Shinners , Viguiera ludens (Shinners) M.C. Johnston

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                reticulata S. Wats.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                stenoloba Blake Present in the Texas flora and known locally as: Skeleton golden-eye, resin-bush (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  var. chihuahuensis Butterwick, var. nov. ined. Synonymy: Heliomeris tenuifolia Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  var. stenoloba

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                triloba (Gray) J. Olsen Synonymy: Zaluzania grayana Robins. & Greenm.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Wedelia Jacq. - CREEPING-OXEYE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  acapulcensis Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    var. hispida (Kunth) Strother Present in the Texas flora (treated as Wedelia hispida H.B.K. by Hatch et al, 1990) and known locally as: Orange zexmenia (Texas Distribution by vegetation zone) Synonymy: Wedelia hispida Kunth , Zexmenia hispida (Kunth) Gray ex Small

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  calycina L.C. Rich. Synonymy: Stemmodontia calycina (L.C. Rich.) O.E. Schulz

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  lanceolata DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  parviflora L.C. Rich. Synonymy: Wedelia calycina var. parviflora (L.C. Rich.) Alain

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  reticulata DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Whitneya Gray - MOCK LEOPARDBANE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    dealbata Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Wilkesia Gray - ILIAU

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      gymnoxiphium Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      hobdyi St. John Listed by the U.S. FWS as endangered, the FWS local name is Dwarf iliau and the FWS range is: U.S.A. (HI). Listed on June 22, 1992 (Volume 57 Federal Register 27863).

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Wyethia Nutt. - MULE'S-EARS

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        amplexicaulis (Nutt.) Nutt. Synonymy: Espeletia amplexicaulis Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        angustifolia (DC.) Nutt. Synonymy: Wyethia angustifolia var. foliosa (Congd.) Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        arizonica Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        bolanderi (Gray) W.A. Weber Synonymy: Balsamorhiza bolanderi Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        X cusickii Piper (pro sp.) [amplexicaulis X helianthoides]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        elata Hall

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        glabra Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        helenioides (DC.) Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        helianthoides Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        invenusta (Greene) W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        longicaulis Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        X magna A. Nels. (pro sp.) [amplexicaulis X arizonica]

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        mollis Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ovata Torr. & Gray ex Torr.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        reticulata Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        scabra Hook.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. attenuata W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. canescens W.A. Weber

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. scabra

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Xanthisma DC. - SLEEPY-DAISY

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          texanum DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ssp. drummondii (Torr. & Gray) Semple Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Xanthisma texanum var. drummondii (Torr. & Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ssp. texanum

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. orientale Semple Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. texanum Present in the Texas flora and known locally as: Texas sleepy-daisy (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Xanthium L. - COCKLEBURR

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ambrosioides Hook. & Arn.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            spinosum L. Present in the Texas flora and known locally as: Spiny cocklebur (Texas Distribution by vegetation zone) Synonymy: Acanthoxanthium spinosum (L.) Fourr. , Xanthium spinosum var. inerme Bel.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            strumarium L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. canadense (P. Mill.) Torr. & Gray Present in the Texas flora and known locally as: Abrojo (Texas Distribution by vegetation zone) Synonymy: Xanthium acerosum Greene , Xanthium californicum Greene , Xanthium californicum var. rotundifolium Widder , Xanthium campestre Greene , Xanthium canadense P. Mill. , Xanthium cavanillesii Schouw , Xanthium cenchroides Millsp. & Sherff , Xanthium commune Britt. , Xanthium echinatum Murr. , Xanthium glanduliferum Greene , Xanthium italicum Moretti , Xanthium macounii Britt. , Xanthium oligacanthum Piper , Xanthium oviforme Wallr. , Xanthium pensylvanicum Wallr. , Xanthium saccharatum Wallr. , Xanthium speciosum Kearney , Xanthium strumarium ssp. italicum (Moretti) D. Löve , Xanthium strumarium var. oviforme (Wallr.) M.E. Peck , Xanthium strumarium var. pensylvanicum (Wallr.) M.E. Peck , Xanthium varians Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. glabratum (DC.) Cronq. Synonymy: Xanthium americanum Walt. , Xanthium calvum Millsp. & Sherff , Xanthium chasei Fern. , Xanthium chinense P. Mill. , Xanthium curvescens Millsp. & Sherff , Xanthium cylindraceum Millsp. & Sherff , Xanthium echinellum Greene , Xanthium globosum Shull , Xanthium inflexum Mackenzie & Bush , Xanthium macrocarpum var. glabratum DC. , Xanthium occidentale Bertol. , Xanthium orientale L. , Xanthium strumarium var. wootonii (Cockerell) M.E. Peck , Xanthium strumarium var. wootonii (Cockerell) W.C. Martin & C.R. Hutchins , Xanthium wootonii Cockerell

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              var. strumarium

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Xanthocephalum Willd. - MATCHWEED

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              gymnospermoides (Gray) Benth. & Hook. f. Present in the Texas flora and known locally as: Broomweed (Texas Distribution by vegetation zone) Synonymy: Grindelia gymnospermoides (Gray) Ruffin , Gutierrezia gymnospermoides Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Xylorhiza Nutt. - WOODY-ASTER

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                cognata (Hall) T.J. Wats. Synonymy: Aster cognatus Hall , Aster standleyi A. Davids. , Machaeranthera cognata (Hall) Cronq. & Keck , Xylorhiza standleyi (A. Davids.) A. Davids.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                confertifolia (Cronq.) T.J. Wats. Synonymy: Machaeranthera confertifolia (Cronq.) Cronq. , Machaeranthera glabriuscula var. confertifolia Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                cronquistii Welsh & Atwood Synonymy: Machaeranthera cronquistii (Welsh & Atwood) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                glabriuscula Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  var. glabriuscula Synonymy: Aster glabriuscula (Nutt.) Torr. & Gray , Aster glabriuscula var. parryi (Gray) Onno , Aster parryi Gray , Aster xylorhiza (Nutt.) Torr. & Gray , Machaeranthera glabriuscula (Nutt.) Cronq. & Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  var. linearifolia T.J. Wats. Synonymy: Machaeranthera linearifolia (T.J. Wats.) Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  var. villosa (Nutt.) A. Nels. Synonymy: Machaeranthera glabriuscula var. villosa (Nutt.) Cronq. & Keck , Xylorhiza villosa Nutt.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                orcuttii (Vasey & Rose) Greene Synonymy: Aster orcuttii Vasey & Rose , Machaeranthera orcuttii (Vasey & Rose) Cronq. & Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                tortifolia (Torr. & Gray) Greene

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  var. imberbis (Cronq.) T.J. Wats. Synonymy: Machaeranthera tortifolia var. imberbis Cronq.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  var. tortifolia Synonymy: Aplopappus tortifolius Torr. & Gray , Aster abatus Blake , Aster goodingii Onno , Aster mohavensis Coville, non Kuntze , Aster tortifolius (Torr. & Gray) Gray, non Michx. , Machaeranthera tortifolia (Torr. & Gray) Cronq. & Keck , Xylorhiza lanceolata Rydb. , Xylorhiza scopulorum A. Nels.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                venusta (M.E. Jones) Heller Synonymy: Aster venustus M.E. Jones , Machaeranthera venusta (M.E. Jones) Cronq. & Keck

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                wrightii (Gray) Greene Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Aster wrightii Gray , Machaeranthera wrightii (Gray) Cronq. & Keck , Townsendia wrightii (Gray) Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Xylothamia Nesom, Suh, Morgan & Simpson - DESERT-GOLDENROD

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  palmeri (Gray) Nesom Present in the Texas flora (treated as Ericameria austrotenana M.C. Johnst. by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Aster palmeri Gray, non Ericameria palmeri (Gray) Hall , Ericameria austrotexana M.C. Johnston , Isocoma palmeri (Gray) Shinners

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  triantha (Blake) Nesom Present in the Texas flora (treated as Ericameria triantha (Blake) Shinners by Hatch et al, 1990) (Texas Distribution by vegetation zone) Synonymy: Ericameria triantha (Blake) Shinners , Haplopappus trianthus Blake

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Yermo Dorn

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    xanthocephalus Dorn

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Youngia Cass. - FALSE HAWK'S-BEARD

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      japonica (L.) DC. Present in the Texas flora, local name unknown. (Texas Distribution by vegetation zone) Synonymy: Crepis japonica (L.) Benth. , Youngia japonica ssp. elstonii (Hochr.) Stebbins , Youngia thunbergiana DC.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Zinnia L. - ZINNIA

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        acerosa (DC.) Gray Present in the Texas flora and known locally as: Spinyleaf zinnia (Texas Distribution by vegetation zone) Synonymy: Zinnia pumila Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        angustifolia Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        anomala Gray Present in the Texas flora and known locally as: Shortray zinnia (Texas Distribution by vegetation zone)

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        grandiflora Nutt. Present in the Texas flora and known locally as: Plains zinnia (Texas Distribution by vegetation zone) Synonymy: Crassina grandiflora (Nutt.) Kuntze

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        maritima Kunth

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          var. palmeri (Gray) B.L. Turner Synonymy: Zinnia palmeri Gray

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        peruviana (L.) L. Present in the Texas flora, local name unknown. No Texas distribution data available Synonymy: Crassina multiflora (L.) Kuntze , Zinnia multiflora L. , Zinnia pauciflora L.

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        violacea Cav. Synonymy: Crassina elegans (Jacq.) Kuntze , Zinnia elegans Jacq.


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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        This page, machine-generated using the program bonout3.ipf, is an experimental product of collaborative research involving the Texas A&M Bioinformatics Working Group and the Biota of North America Program. Comments/corrections can be sent to BONAP for nomenclatural matters or, for web-related items, the TAMUBIWG. The Texas vegetation area mapping system was developed by Erich Schneider of the Texas A&M Center for the Study of Digital Libraries. Last updated on: 07/31/96