Texas Vascular Plant Checklist:  Scrophulariaceae
The Figwort Family
(Magnoliophyta, Magnoliopsida, Asteridae)

 Agalinis
   aspera (Dougl. ex Benth.) Britton (rough gerardia)
   auriculata (Michx.) Blake (earleaf gerardia)
   calycina Pennell (leoncita false foxglove)
   densiflora (Benth.) Blake (fineleaf gerardia)
   edwardsiana Pennell (plateau gerardia)
   fasciculata (Ell.) Raf. (beach gerardia)
   gattingeri (Small) Small (gattinger gerardia)
   heterophylla (Nutt.) Small ex Britton (prairie agalinis)
   homalantha Pennell (san antonio false foxglove)
   maritima var. grandiflora (Benth.) Shinners (seaside gerardia, saltmarsh gerardia)
   navasotensis M. Dubrule & J. Canne-Hilliker (navasota false foxglove)
   oligophylla Pennell (tall gerardia, ridgestem gerardia)
   pulchella Pennell (showy p.)
   purpurea (L.) Pennell (purple gerardia)
   strictifolia (Benth.) Pennell (stiffleaf gerardia)
   tenuifolia var. leucanthera (Raf.) Pennell (slender gerardia)
   tenuifolia var. macrophylla (Benth.) Blake
   tenuifolia var. parviflora (Nutt.) Pennell
   viridis (Small) Pennell (green gerardia)

 Aureolaria
   flava var. flava (southern oakleech)
   flava var. macrantha Pennell
   grandiflora var. cinerea Pennell
   grandiflora var. grandiflora (bigflower oakleech)
   grandiflora var. serrata (Torr. ex Benth.) Pennell (downy oakleech)
   pectinata (Nutt.) Pennell (combleaf oakleech, fernleaf oakleech)
   virginica (L.) Pennell (downy yellow false foxglove)

 Bacopa
   caroliniana (Walt.) B.L. Robins. (carolina water hyssop, blue hyssop)
   monnieri (L.) Pennell (coastal water hyssop)
   repens (Sw.) Wettst. (creeping water hyssop)
   rotundifolia (Michx.) Wettst. (disc water hyssop)

 Bellardia
   trixago (L.) All. (mediterranean lineseed)

 Buchnera
   americana L. (american bluehearts, florida bluehearts)

 Capraria
   biflora L. (goatweed)

 Castilleja
   genevievana Nesom (genevieve's indian paintbrush)
   indivisa Engelm. (texas paintbrush, entireleaf paintbrush)
   integra var. integra (woolly indian paintbrush, woolly paintbrush)
   lanata subsp. lanata
   mexicana (Hemsl.) Gray (mexican indian paintbrush)
   purpurea var. citrina (Pennell) Shinners (citron indian paintbrush, lipped indian paintbrush, cirton paintbrush, lipped paintbrush)
   purpurea var. lindheimeri (Gray) Shinners (lindheimer indian paintbrush, lindheimer paintbrush)
   purpurea var. purpurea
   rigida Eastw. (stiff indian paintbrush)
   sessiliflora Pursh (downy indian paintbrush, downy paintbrush)
   wootonii Standl. (sacramento mountain indian paintbrush)

 Chaenorhinum
   minus (L.) Lange (dwarf snapdragon)

 Collinsia
   violacea Nutt. (violet collinsia)

 Cordylanthus
   wrightii subsp. wrightii (wrights birdbeak, club-flower)

 Dasistoma
   macrophylla (Nutt.) Raf. (mullen seymeria)

 Epixiphium
   wislizeni (Engelm. ex Gray) Munz (balloonbush)

 Gratiola
   brevifolia Raf. (sticky hedge hyssop)
   flava Leavenworth (golden hedge hyssop)
   neglecta Torr. (yellowseed hedge hyssop)
   pilosa Michx. (shaggy hedge hyssop, hairy hedge hyssop)
   virginiana var. virginiana (virginia hedge hyssop)

 Kickxia
   elatine (L.) Dumort. (sharp leaf cancerwort)

 Leucophyllum
   candidum I.M. Johnston (brewster county barometer bush)
   frutescens (Berl.) I.M. Johnston (ceniza, texas silverleaf, purplesage)
   minus Gray (big bend sliverleaf)

 Leucospora
   multifida (Michx.) Nutt. (narrowleaf conodea)

 Limnophila
   sessiliflora (Vahl) Blume (asian marshweed)

 Linaria
   vulgaris P. Mill. (butter-and-eggs, common toadflax, yellow toadflax)

 Lindernia
   crustacea (L.) F. Muell. (malaysian false pimpernel)
   dubia var. anagallidea (Michx.) Cooperrider (clasping false pimpernel)
   dubia var. dubia (yellowseed false pimpernel)

 Maurandella
   antirrhiniflora (Humb. & Bonpl. ex Willd.) Rothm. (roving sailor)

 Mazus
   pumilus (Burm. f.) Steenis (japanese mazus)

 Mecardonia
   acuminata var. acuminata (purple m., sawtooth water hyssop)
   procumbens (P. Mill.) Small (baby jump up)

 Micranthemum
   umbrosum (J.F. Gmel.) Blake (shade-mud-flower)

 Mimulus
   alatus Ait. (sharpwing monkey flower)
   dentilobus B.L. Robins. & Fernald (tooth petal monkey flower)
   glabratus var. glabratus (roundleaf monkey flower, fremont monkey flower)
   glabratus var. jamesii (Torr. & Gray ex Benth.) Gray
   ringens var. ringens (allegany monkey flower)
   rubellus Gray (little red stem monkey flower)

 Nuttallanthus
   canadensis (L.) D.A. Sutton (oldfield toadflax)
   texanus (Scheele) D.A. Sutton (texas toadflax)

 Parentucellia
   viscosa (L.) Caruel (yellow glandweed)

 Paulownia
   tomentosa (Thunb.) Sieb. & Zucc. ex Steud. (royal princesss-tree)

 Pedicularis
   canadensis subsp. canadensis (common lousewort, early lousewort, early fernleaf lousewort)

 Penstemon
   alamosensis Pennell & Nisbet (los alamos beardtongue)
   albidus Nutt. (white penstemon, whiteflower penstemon)
   ambiguus var. ambiguus (gilia penstemon, pink plains penstemon)
   ambiguus var. laevissimus (Keck) N. Holmgren
   arkansanus Pennell (arkansas beardtongue)
   baccharifolius Hook. (baccharisleaf pestemon)
   barbatus subsp. barbatus (beardlip penstemon)
   barbatus subsp. torreyi (Benth.) Keck
   buckleyi Pennell (buckley penstemon)
   cardinalis subsp. regalis (A. Nels.) Nisbet & R.C. Jackson
   cobaea Nutt. (cobaea penstemon, foxglove)
   dasyphyllus Gray (thickleaf penstemon)
   digitalis Nutt. ex Sims (smooth penstemon, beard-tongue)
   fendleri Torr. & Gray (fendler penstemon)
   grandiflorus Nutt. (large flower beardtongue)
   guadalupensis Heller (guadulupe penstemon)
   havardii Gray (havard penstemon)
   jamesii Benth. (james penstemon)
   laxiflorus Pennell (nodding beardtongue)
   murrayanus Hook. (cupleaf penstemon)
   ramosus Crosswhite (lance leaf beardtongue)
   tenuis Small (sharpsepal penstemon)
   thurberi Torr. (thurber's beardtongue)
   triflorus subsp. integrifolius Pennell
   triflorus subsp. triflorus (heller penstemon)
   tubiflorus var. tubiflorus (tube penstemon)
   wrightii Hook. (wright penstemon)

 Schwalbea
   americana L. (american chaff-seed)

 Scoparia
   dulcis L. (sweet broom-wort)

 Scrophularia
   marilandica L. (carpenter's square, maryland figwort)

 Seymeria
   bipinnatisecta Seem. (havard seymeria)
   cassioides (J.F. Gmel.) Blake (senna seymeria)
   scabra Gray (limipa seymeria)
   texana (Gray) Pennell (texas seymeria)

 Stemodia
   lanata Sessé & Moci¤o ex Benth. (gray woolly twintip)
   schottii Holz. (schott stemodia)

 Verbascum
   blattaria L. (moth mullein)
   thapsus L. (flannel mullein, common mullein, flannelplant)
   virgatum Stokes (purple-stamen mullein)

 Veronica
   agrestis L. (wayside speedwell)
   americana Schwein. ex Benth. (american brooklime)
   anagallis-aquatica L. (water speedwell, brook-pimpernel)
   arvensis L. (common speedwell, cornsperry, corn speedwell)
   peregrina subsp. peregrina
   peregrina subsp. xalapensis (Kunth) Pennell (jalapa speedwell)
   persica Poir. (persian speedwell)
   polita Fries (gray field speedwell)

 Veronicastrum
   virginicum (L.) Farw. (culver's physic, culver's root)