SPECIES FROM GRIMES COUNTY OUTCROP

Gymnosperms

Cupressaceae

• Juniperus virginiana L. --- side, summit

Magnoliopsida (Dicots)

Acanthaceae

• Ruellia humilis Nutt. var. longiflora (Gray) Fern.

Anacardiaceae

• Rhus aromatica Ait. var. flabelliformis Shinners --- side, summit?
• Rhus glabra L. --- far right side near top
• Rhus toxicodendron L. --- side

Apiaceae

• Bifora americana (DC.) Benth. & Hook.
• Torilis arvensis (Huds.) Link --- upper W slope

Aquifoliaceae

• Ilex decidua Walt. --- summit
• Ilex vomitoria Ait. --- summit

Aristolochiaceae

• Aristolochia erecta L. (A. longiflora) --- side

Asclepiadaceae

• Asclepias oenotheroides Cham. & Schlect. --- base
• Asclepias viridiflora Raf. --- upper side, mostly right

Asteraceae

• Ambrosia trifida L. var. texana Scheele
• Amphiachyris dracunculoides DC. --- side
• Aphanostephus skirrhobasis (DC.) Trel. --- side
• Aster patens Ait. var. patentissimus (Lind.) T. & G. --- mid- ledge, side (white!)
• Aster sericeus Vent. var. microphylla DC. --- side
• Chaetopappa asteroides Nutt. ex DC. --- side
• Croptilon rigidifolium (E. B. Smith) E. B. Smith --- slope
• Engelmannia pinnatifida Nutt. ---lower side, base
• Erigeron strigosus Muhl. ex Willd.
• Evax verna Raf. --- side
• Gutierrezia sarothrae (Pursh) Britt. & Rusby
• Heterotheca latifolia Buckl. --- side
• Hymenopappus scabiosaeus L'Her. --- lower side
• Krigia gracilis (DC.) Shinners --- mowed lawn of summit
• Lygodesmia texana (T. & G.) Greene ---side
• Marshallia caespitosa DC. var. caespitosa
• Pyrrhopappus sp. --- (seen, not collected)
• Rudbeckia hirta L. --- upper slope
• Senecio tampicanus DC. --- summit
• Solidago sp. (canadensis ?) --- top
• Solidago rigida L. --- top
• Tetraneuris linearifolia (Hook.) Greene
• Thelesperma filifolium (Hook.) Gray
• Thelesperma simplicifolium Gray ---midslope
• Verbesina virginica --- rim L.

Boraginaceae

• Heliotropium tenellum (Nutt.) Torr. --- side

Brassicaceae

• Erysimum capitatum (Hook.) Greene --- summit
• Lepidium virginicum L. --- side
• Lepidium virginicum var. medium --- summit
• Lesquerella densiflora (Gray) S. Wats. --- side
• Lesquerella gracilis (Hook.) Wats. var. gracilis --- side

Cactaceae

• Coryphantha missouriensis (Sweet) Britt. & Rose --- side
• Opuntia sp. --- side

Campanulaceae

• Triodanis perfoliata (L.) Nieuwl. var. perfoliata

Capparidaceae

• Polanisia dodecandra (L.) DC. subsp. riograndensis Iltis --- lower side

Caprifoliaceae

• Lonicera semperivens L. --- on Junipers on side
• Viburnum rufidulum Raf. --- midslope with Juniper

Caryophyllaceae

• Arenaria patula Michx. var. patula --- side, summit
• Paronychia virginica Spreng. --- side

Convolvulaceae

• Ipomoea trichocarpa Ell. var. trichocarpa --- summit
• Convolvulus? --- summit

Cornaceae

• Cornus drummondii C.A. Mey. ---summit

Cucurbitaceae

• Melothria or Ibervillea (not in flower ) --- summit

Cuscutaceae

• Cuscuta sp. (glabrior?) --- side, summit-- on Ruellia, Croton monanthogynous, Convolvulus?

Ebenaceae

• Diospyros texana Scheele --- summit

Euphorbiaceae

• Argythamnia mercurialina (Nutt.) Muell. Arg. var. mercurialina --- rim of top
• Croton monanthogynus Michx. --- side
• Euphorbia bicolor Engelm. & Gray --- lower side
• Euphorbia corollata L. --- side
• Euphorbia dentata Michx. --- summit
• Euphorbia missurica Raf. --- side
• *Euphorbia longicruris Scheele --- summit (county record; major range extension)
• Phyllanthus polygonoides Spreng. --- summit

Fabaceae

• Astragalus nuttallianus DC. var. austrinus (Sm.)Shr. & Wigg.
• Astragalus var. nuttallianus --- summit
• Chamaecrista fasciculata (Michx.) Greene --- side
• Dalea aurea Nutt. ex Pursh --- lower side
• Dalea compacta Spreng. v. pubescens (Gray) Barneby --- lower side
• Indigofera miniata Ort. cf. var. miniata --- side, summit
• Lupinus subcarnosus Hook. --- side, mostly lower, top
• Mimosa strigillosa T. & G. --- base
• Pediomelum rhombifolium (T. & G.) Rydb. --- base
• Rhynchosia sp.
• Vicia minutiflora Dietr.

Gentianaceae

• Centaurium texense (Griseb.) Fern. --- side, on bare rock

Hydrophyllaceae

• Nama hispidum Gray --- lower side, base
• Phacelia patuliflora (Engelm. & Gray) Gray v. patuliflora --- summit

Krameriaceae

• Krameria lanceolata Torr. --- side

Lamiaceae

• Brazoria scutellarioides Engelm. & Gray --- summit, upper slope
• Hedeoma reverchonii Gray var. reverchonii ---sides
• Monarda clinopodioides Gray --- upper W slope
• Physostegia virginiana (L.) Benth. ssp. praemorsa (Shinners) Cantino --- top (fall)
• Salvia azurea Lam. --- top (fall)
• Scutellaria drummondii Benth.

Linaceae

• Linum rigidum Pursh var. berlandieri (Hook.) T. & G. --- side

Loasaceae

• Mentzelia oligosperma Sims. --- side, mostly lower

Malvaceae

• Callirhoe leiocarpa Martin --- upper slope, common 5/95
• Malvaviscus arboreus Cav. var. drummondii (T. & G. ) Schery --- summit edge
• Sida abutifolia Mill. (S. & G. Jones)

Moraceae

• Morus sp.

Nyctaginaceae

• Boerhavia sp. ---- summit
• Mirabilis with features of albida (Walt.) Heimerl and linearis (Pursh) Heimerl. (not uncommon to find intermediates.)

Onagraceae

• Calylophus berlandieri Spach subsp. berlandieri --- side
• Gaura parviflora Hook.

Oxalidaceae

• Oxalis dillenii Jacq. --- summit near house

Passifloraceae

• Passiflora lutea L. --- summit

Plantaginaceae

• Plantago rhodosperma Dcne. --- summit

Polygalaceae

• Polygala alba Nutt. ---lower left side

Ranunculaceae

• Anemone sp.
• Delphinium carolinianum Walt --- clearing/opening on summit
• Ranunculus fascicularis Muhl. --- base

Rubiaceae

• Galium aparine L. --- summit
• Galium virgatum Nutt
• Hedyotis nigricans (Lam.) Fosb. --- side, summit

Rutaceae

• Ptelea trifoliata L. ssp. trifoliata var. mollis T. & G. --- summit
• Zanthoxylum sp. --- side

Salicaceae

• Salix nigra Marsh. --- W side, presumably in drainage

Sapindaceae

• Ungnadia speciosa Endl. --- summit back rim

Sapotaceae

• Bumelia lanuginosa (Michx.) Pers. --- summit

Scrophulariaceae

• Agalinis heterophylla (Nutt.) Small ex Britt. & A. Br. --- base, top
• Agalinis navasotensis Dubrule & Canne-Hilliker --- side to top
• Castilleja indivisa Engelm. --- lower side, base
• Penstemon cobaea Nutt. --- side

Ulmaceae

• Celitis laevigata Willd. --- summit
• Celtis reticulata Torr. --- summit
• Ulmus americana L.

Valerianaceae

• Valerianella radiata (L.) Dufr. var. radiata --- S. side near road

Verbenaceae

• Verbena bipinnatifida Nutt. --- summit
• Verbena halei Small

Vitaceae

• Cissus incisa (Nutt.) Des Moul. --- side, in tree
• Parthenocissus quinquefolia (L.) Planch --- summit
• Vitis mustangensis Buckl. --- side

Liliopsida (Monocots)

Amaryllidaceae

• Manfreda sp. --- side

Commelinaceae

• Commelina erecta L.
• Tradescantia hirsutiflora Bush --- midslope?

Cyperaceae

• Carex cherokeensis Schwein --- S. side near road
• Cyperus sp. --- summit

Liliaceae

• Allium drummondii Regel --- S. side near road, summit
• Nothoscordum bivalve (L.) Britt.
• Yucca sp. --- side
• Zigadenus nuttallii (Gray) S. Wats. --- side, base

Orchidaceae

• Spiranthes cernua (L.) L. C. Rich

Poaceae

• Andropogon gerardii Vitman
• Andropogon glomeratus (Walt.) B.S.P. -- side
• Aristida oligantha Michx.--- side
• Aristida purpurea Nutt. --- side
• Bothriochloa ischaemum (L.) Keng.
• Bouteloua curtipendula (Michx.) Torr. var. curtipendula --- side
• Bouteloua gracilis (Kunth in HBK.) Lag. ex Griffiths --- side
• Bouteloua hirsuta Lag. --- lower side
• Brachiaria sp.--lower side
• Catapodium rigidum (L.) C. E. Hubb. ex Dony --- summit
• Cenchrus incertus M. A. Curtis --- side
• Dactyloctenium aegyptium (L.) Beauv. --- side, mostly lower
• Dichanthelium sp.
• Digitaria spp.--- side
• Elymus sp. --- rim
• Eragrostis spp.
• Limnodea arkansana (Nutt.) L. H. Dewey --- rim of slope
• Muhlenbergia capillaris (Lam.) Trin. --- side
• Paspalum pubiflorum Rupr. ex Fourn.
• Paspalum urvillei Steud.--rim
• Setaria sp. --- summit
• Sorghastrum nutans (L.) Nash. --- side
• Tridens flavus (L.) A. S. Hitchc.