Callahan County

Showing 251–289 of 289 (native).

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  Silphium albiflorum A. Gray Native SIAL

  white rosinweed · Asteraceae
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  Simsia calva (Engelm. & A. Gray) A. Gray Native SICA7

  awnless bushsunflower · Asteraceae
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  Sisyrinchium chilense Hook. Native SICH2

  swordleaf blue-eyed grass · Iridaceae
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  Solanum dimidiatum Raf. Native SODI

  western horsenettle · Solanaceae
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  Solanum elaeagnifolium Cav. Native SOEL

  silverleaf nightshade · Solanaceae
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  Solidago gigantea Aiton Native SOGI

  giant goldenrod · Asteraceae
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  Spermolepis divaricata (Walter) Raf. ex Ser. Native SPDI2

  roughfruit scaleseed · Apiaceae
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  Spermolepis echinata (Nutt. ex DC.) A. Heller Native SPEC2

  bristly scaleseed · Apiaceae
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  Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

  sand dropseed · Poaceae
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  Stenaria nigricans (Lam.) Terrell Native STNI6

  diamond-flowers · Rubiaceae
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  Stenaria nigricans (Lam.) Terrell var. nigricans Native STNIN

  diamondflowers · Rubiaceae
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  Stenosiphon linifolius (Nutt. ex James) Heynh. Native STLI2

  false gaura · Onagraceae
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  Stillingia texana I.M. Johnst. Native STTE3

  Texas toothleaf · Euphorbiaceae
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  Symphyotrichum ericoides (L.) G.L. Nesom Native SYER

  white heath aster · Asteraceae
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  Symphyotrichum ericoides (L.) G.L. Nesom var. ericoides Native SYERE

  white heath aster · Asteraceae
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  Tephrosia virginiana (L.) Pers. Native TEVI

  Virginia tephrosia · Fabaceae
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  Tetraneuris scaposa (DC.) Greene Native TESC2

  stemmy four-nerve daisy · Asteraceae
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  Tetraneuris scaposa (DC.) Greene var. scaposa Native TESCS

  stemmy four-nerve daisy · Asteraceae
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  Teucrium laciniatum Torr. Native TELA

  lacy germander · Lamiaceae
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  Thelesperma filifolium (Hook.) A. Gray Native THFI

  stiff greenthread · Asteraceae
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  Thelesperma filifolium (Hook.) A. Gray var. filifolium Native THFIF

  stiff greenthread · Asteraceae
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  Thelesperma megapotamicum (Spreng.) Kuntze Native THME

  Hopi tea greenthread · Asteraceae
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  Tidestromia lanuginosa (Nutt.) Standl. Native TILA2

  woolly tidestromia · Amaranthaceae
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  Tradescantia occidentalis (Britton) Smyth Native TROC

  prairie spiderwort · Commelinaceae
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  Tragia brevispica Engelm. & A. Gray Native TRBR4

  shortspike noseburn · Euphorbiaceae
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  Tridens flavus (L.) Hitchc. Native TRFL2

  purpletop tridens · Poaceae
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  Verbena canescens Kunth Native VECA5

  gray vervain · Verbenaceae
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  Verbena halei Small Native VEHA

  Texas vervain · Verbenaceae
• ⚘
  Verbesina encelioides (Cav.) Benth. & Hook. f. ex A. Gray Native VEEN

  golden crownbeard · Asteraceae
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  Veronica peregrina L. Native VEPE2

  neckweed · Scrophulariaceae
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  Vicia ludoviciana Nutt. Native VILU

  Louisiana vetch · Fabaceae
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  Vicia ludoviciana Nutt. ssp. leavenworthii (Torr. & A. Gray) Lassetter & C.R. Gunn Native VILUL4

  Leavenworth's vetch · Fabaceae
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  Vicia ludoviciana Nutt. ssp. ludoviciana Native VILUL2

  Louisiana vetch · Fabaceae
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  Xanthisma texanum DC. Native XATE

  Texas sleepydaisy · Asteraceae
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  Xanthisma texanum DC. var. drummondii (Torr. & A. Gray) A. Gray Native XATED

  Drummond's sleepydaisy · Asteraceae
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  Yucca glauca Nutt. Native YUGL

  soapweed yucca · Agavaceae
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  Yucca glauca Nutt. var. glauca Native YUGLG2

  soapweed yucca · Agavaceae
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  Ziziphus obtusifolia (Hook. ex Torr. & A. Gray) A. Gray Native ZIOB

  lotebush · Rhamnaceae
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  Ziziphus obtusifolia (Hook. ex Torr. & A. Gray) A. Gray var. obtusifolia Native ZIOBO

  lotebush · Rhamnaceae