SPECIES FROM GRIMES COUNTY OUTCROP

Gymnosperms

Cupressaceae

• Juniperus virginiana L. --- side, summit

Magnoliopsida (Dicots)

Acanthaceae

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

Amaranthaceae

• Amaranthus palmeri S. Wats. ---- roadside at base
• Amaranthus polygonoides L.--border of lawn and unmowed area, summit--added fall 2008
  

Anacardiaceae

• Rhus aromatica Ait. var. flabelliformis Shinners --- side, summit?
• Rhus glabra L. --- far right side near top
• Toxicodendron radicans (L.) O. Ktze. --- side

Apiaceae

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

Aquifoliaceae

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

Aristolochiaceae

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

Asclepiadaceae

• Asclepias oenotheroides Cham. & Schlect. --- base
• Asclepias viridiflora Raf. --- upper side, mostly right
• Asclepias viridis Walt.
• Matelea biflora (Raf.) Woods.
  

Asteraceae

• Ambrosia trifida L. var. texana Scheele
• Amphiachyris dracunculoides DC. --- side
• Aphanostephus skirrhobasis (DC.) Trel. --- side
• Arnoglossum plantagineum Raf.--slope
  
• 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
• Dyssodiopsis tagetoides (T. &G.) Rydb. --- upper slope
• Echinacea atrorubens Nutt.
  
• Engelmannia peristenia (Raf.) Goodman & Lawson ---lower side, base
• Erigeron strigosus Muhl. ex Willd.
• Erigeron tenuis T. & G.
• Evax verna Raf. --- side, summit
• Gaillardia aestivalis (Walt.)Rock. var. aestivalis
• Gaillardia amblyododn Gay
• Gutierrezia sarothrae (Pursh) Britt. & Rusby
• Gutierrezia texana(DC.) T. & G.
• Heterotheca subaxillaris (Lam.) Britt. & Rusby var. latifolia (Buckl.) Gandhi & Thomas --- side
• Hymenopappus artemisiifolius DC. --- lower side
• Krigia gracilis (DC.) Shinners --- mowed lawn of summit
• Liatris mucronata DC.
• Lygodesmia texana (T. & G.) Greene ---side
• Marshallia caespitosa DC. var. caespitosa
• Oligoneuron rigidum (L.) Small (=Solidago rigida L.) --- top
• Packera tampicana (DC.) Jeffrey (= Senecio tampicanus)--summit
• Pyrrhopappus sp. --- (seen, not collected)
• Rudbeckia hirta L. --- upper slope
• Silphium laciniatum L.--upper slope--added 2002
• Silphium radula Nutt. --- rim
• Solidago sp. (canadensis ?) --- top
• Tetraneuris linearifolia (Hook.) Greene
• Thelesperma filifolium (Hook.)Gray ---midslope
• Verbesina virginica L. --- rim in unmowed area

Boraginaceae

• Lithospermum incisum Lehm.
• Heliotropium tenellum (Nutt.) Torr. --- side
• Onosmodium, probably O. bejariense DC. ex A. DC.--slope --added fall 2008
  

Brassicaceae

• Descurainia pinnata (Walt.) Britt.
• 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 japonica Thunb.--midslope--INVASIVE EXOTIC
  
• Lonicera sempervirens L. --- on Junipers on side
• Viburnum rufidulum Raf. --- midslope with Juniper

Caryophyllaceae

• Arenaria patula Michx. var. patula --- side, summit
• Arenaria serpyllifolia L.--lower slope
  
• Paronychia virginica Spreng. --- side
• Silene antirrhina L.

Cistaceae

• Helianthemum georgianum Chapm.

Convolvulaceae

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

Cornaceae

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

Cucurbitaceae

• Cucumis melo L.
• Melothria or Ibervillea (not in flower ) --- summit

Cuscutaceae

• Cuscuta pentagona Engelm. var. pubescens (Engelm.) Yuncker-- side, summit

Ebenaceae

• Diospyros texana Scheele --- summit
• Diospyros virginiana L.--seedling on upper slope   added fall 2003
  

Euphorbiaceae

• Argythamnia humilis (Engelm. & Gray) Muell. Arg. var. humilis
• Argythamnia mercurialina (Nutt.) Muell. Arg. var. mercurialina --- rim of top
• Cnidoscolus texanus (Muell.-Arg.) Small --side
  
• Croton monanthogynus Michx. --- side
• Euphorbia bicolor Engelm. & Gray --- lower side
• Euphorbia corollata L. --- side
• Euphorbia dentata Michx. --- summit
• *Euphorbia longicruris Scheele --- summit (county record; major range extension)
• Euphorbia missurica Raf. --- side
• Euphorbia nutans Lag.
• Phyllanthus polygonoides Spreng. --- summit
• Euphorbia spathulata Lam.---summit
• Tragia urticifolia Michx. (?)

Fabaceae

• Astragalus crassicarpus Nutt. ---top of slope, midslope
  
• Astragalus nuttallianus DC. var. austrinus (Sm.)Shr. & Wigg.
• Astragalus nuttallianus DC. var. nuttallianus --- summit
• Chamaecrista fasciculata (Michx.) Greene --- side
• Dalea aurea Nutt. ex Pursh --- lower side
• Dalea compacta Spreng. var. pubescens (Gray) Barneby --- lower side
• Desmodium paniculatum (L.) DC. var. paniculatum
• Indigofera miniata Ort. cf. var. miniata --- side, summit
• Lupinus subcarnosus Hook. --- side, mostly lower, top
• Lupinus texensis Hook.
• Medicago lupulina L.-- lawn of summit
  
• Mimosa strigillosa T. & G. --- base
• Pediomelum rhombifolium (T. & G.) Rydb. --- base
• Rhynchosia minima (L.) DC. var. minima --- rim, edge of mowed lawn
• Vicia minutiflora Dietr.
• Vicia ludoviciana Nutt. subsp. leavenworthii (T. & G.) Lassetter & Green

Gentianaceae

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

Hydrophyllaceae

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

Krameriaceae

• Krameria lanceolata Torr. --- side

Lamiaceae

• Hedeoma drummondii Benth.
• Hedeoma reverchonii Gray var. reverchonii ---sides
• Monarda citriodoraCerv. ex Lag. subsp. citriodora--- upper W slope
• Physostegia virginiana (L.) Benth. ssp. praemorsa (Shinners) Cantino --- top (fall)
• Salvia azurea Lam. --- top (fall)
• Salvia lyrata L.
• Scutellaria drummondii Benth.
• Stachys crenata Raf.
• *Trichostema brachiatum L. [= Isanthus brachiatus (L.) B.S.P.]--- rim; first Texas record for TAMU; possible range extension
• Warnockia scutellarioides (Engelm. & Gray) M. W. Tuner (formerly in Brazoria --- summit, upper slope

Linaceae

• Linum berlandieri Hook. var. berlandieri --- 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.

• Menispermaceae

• Cocculus carolinus (L.) DC.--summit

Moraceae

• Morus rubra L

Nyctaginaceae

• Boerhavia diffusa L. --- summit
• Mirabilis linearis (Pursh) Heimerl. (fruit with influence of M. albida) --- summit

Oleaceae

    °   Ligustrum spp.--sides   INVASIVE SPECIES

Onagraceae

• Calylophus berlandieri Spach subsp. pinifolius (Engelm. ex Gray) Towner --- side
• Gaura parviflora Hook.
• Gaura suffulta Engelm. ex Gray subsp. suffulta

Oxalidaceae

• Oxalis dillenii Jacq. --- summit near house

Passifloraceae

• Passiflora lutea L. --- summit

Plantaginaceae

• Plantago hookeriana Fisch. & Mey
• Plantago rhodosperma Dcne. --- summit

Polygalaceae

• Polygala alba Nutt. ---lower left side

Primulaceae

• Anagallis arvensis L.

Ranunculaceae

• Anemone berlandieri Pritzel
• Delphinium carolinianum Walt --- clearing/opening on summit
• Ranunculus fascicularis Muhl. --- base
• Ranunculus macranthus  Scheele
  

Rubiaceae

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

Rutaceae

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

Salicaceae

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

Sapindaceae

• Ungnadia speciosa Endl. --- summit north rim

Sapotaceae

• Sideroxylon lanuginosum Michx. (=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

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

Valerianaceae

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

Verbenaceae

• Phyla nodiflora Greene
• Verbena bipinnatifida Nutt. --- summit
• Verbena officinalis L. subsp. halei (Small) Barber

Violaceae

• Hybanthus verticillatus (Ort.) Baill. var. verticillatus -- meadow on summit

Vitaceae

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

Liliopsida (Monocots)

Agavaceae

• Manfreda sp. ---side (not observed flowering)

Commelinaceae

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

Cyperaceae

• Carex cherokeensis Schwein --- S. side near road
• Carex microdonta Torr. & Hook.
• Cyperus croceus Vahl.
• Cyperus strigosus L. --- wet area on summit
• Fuirena simplex Vahl. --- wet area on summit

Liliaceae

• Allium canadense L.
• Allium drummondii Regel --- S. side near road, summit
• Cooperia  drummondii  Herbert----summit   added fall 2003
  
• 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 var. gerardii --- midslope
• Aristida oligantha Michx.
• 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 texana (Buckl.) S. T. Blake --- roadside
• Bouteloua rigidiseta (Steud.) A. S. Hitchc. var. rigidiseta
• Brachiaria texana (Buckl.) S. T. Blake
• Bromus japonicus Thunb. ex Murr. (= B. arvensis L.)
  
• Cenchrus incertus M. A. Curtis --- side, summit
  
• Dactyloctenium aegyptium (L.) Beauv. --- side, mostly lower
• Desmazeria rigida (L.) Tutin = Catapodium rigidum (L.) C. E. Hubb. ex Dony --- summit
• Dichanthelium sp.
• Digitaria bicornis (Lam.) Roem. & Schult. --- side
• Digitaria cognata (Schult.) Pilger
• Eleusine indica (L.) Gaertn. --- summit in lawn
• Elymus virginicus L. ---rim?
• Eragrostis secundilflora Presl. subsp. oxylepis (Torr.) S. D. Koch
• Eragrostis sessilispica Buckl.
• Eragrostis spectabilis (Pursh) Steud. --- side
• Limnodea arkansana (Nutt.) L. H. Dewey --- rim of slope
• Muhlenbergia capillaris (Lam.) Trin. --- slope
• Panicum capillare L.
• Paspalum floridanum Michx. var. glabratum Engelm ex Vasey
• Paspalum langei (Fourn.) Nash
• Paspalum pubiflorum Rupr. ex Fourn var. pubiflorum
• Paspalum urvillei Steud. --- unmowed rim
• Setaria leucopila (Scribn. & Merr.) K. Schum.
• Setaria scheelei (Steud.) Hitchc. --- summit in shade (unusual in region.)
• Sorghastrum nutans (L.) Nash --- side
• Sporobolus asper (Michx.) Kunth
• Sporobolus cryptandrus (Torr.) Gray
• Sporobolus ozarkanus Fern.
• Tridens flavus (L.) Hitchc. var. flavus
• Vulpia octoflora (Walt.) Rydb.

Many thanks to Dr. Stephan L. Hatch of the Texas A&M Tracy Herbarium for help with identification of grasses.