Atascosa County

Showing 251–300 of 315.

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  Ruppia cirrhosa (Petagna) Grande Native RUCI2

  spiral ditchgrass · Ruppiaceae
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  Sabatia campestris Nutt. Native SACA3

  Texas star · Gentianaceae
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  Salix nigra Marshall Native SANI

  black willow · Salicaceae
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  Salsola tragus L. Introduced SATR12

  prickly Russian thistle · Chenopodiaceae
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  Schedonnardus paniculatus (Nutt.) Trel. Native SCPA

  tumblegrass · Poaceae
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  Sclerocarpus uniserialis (Benth.) Hemsl. Native SCUN2

  Mexican bonebract · Asteraceae
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  Sclerocarpus uniserialis (Benth.) Hemsl. var. uniserialis Native SCUNU

  Mexican bonebract · Asteraceae
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  Scutellaria drummondii Benth. Native SCDR2

  Drummond's skullcap · Lamiaceae
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  Scutellaria drummondii Benth. var. drummondii Native SCDRD

  Drummond's skullcap · Lamiaceae
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  Selaginella arenicola Underw. Native SEAR

  sand spikemoss · Selaginellaceae
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  Senecio ampullaceus Hook. Native SEAM2

  Texas ragwort · Asteraceae
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  Senegalia greggii (A. Gray) Britton & Rose Native SEGR4

  catclaw acacia · Fabaceae
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  Senegalia wrightii (Benth.) Britton & Rose Native SEWR4

  catclaw acacia · Fabaceae
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  Setaria parviflora (Poir.) Kerguélen Native SEPA10

  marsh bristlegrass · Poaceae
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  Setaria reverchonii (Vasey) Pilg. Native SERE3

  Reverchon's bristlegrass · Poaceae
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  Sida abutifolia Mill. Introduced SIAB

  spreading fanpetals · Malvaceae
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  Sida ciliaris L. Native SICI

  bracted fanpetals · Malvaceae
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  Sida lindheimeri Engelm. & A. Gray Native SILI

  showy fanpetals · Malvaceae
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  Sida spinosa L. Native SISP

  prickly fanpetals · Malvaceae
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  Sideroxylon celastrinum (Kunth) T.D. Penn. Native SICE2

  saffron plum · Sapotaceae
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  Silene antirrhina L. Native SIAN2

  sleepy silene · Caryophyllaceae
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  Sisyrinchium chilense Hook. Native SICH2

  swordleaf blue-eyed grass · Iridaceae
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  Soliva mutisii Kunth Introduced SOMU2

  Mutis' burrweed · Asteraceae
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  Sphaeralcea lindheimeri A. Gray Native SPLI

  woolly globemallow · Malvaceae
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  Sphaeralcea pedatifida (A. Gray) A. Gray Native SPPE2

  palmleaf globemallow · Malvaceae
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  Sporobolus airoides (Torr.) Torr. Native SPAI

  alkali sacaton · Poaceae
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  Sporobolus junceus (P. Beauv.) Kunth Native SPJU

  pineywoods dropseed · Poaceae
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  Sporobolus pyramidatus (Lam.) Hitchc. Native SPPY2

  Madagascar dropseed · Poaceae
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  Stillingia sylvatica L. Native STSY

  queen's-delight · Euphorbiaceae
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  Stillingia sylvatica L. ssp. sylvatica Native STSYS2

  queen's-delight · Euphorbiaceae
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  Tephrosia onobrychoides Nutt. Native TEON

  multibloom hoarypea · Fabaceae
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  Tetragonotheca repanda (Buckley) Small Native TERE2

  showy nerveray · Asteraceae
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  Tetraneuris linearifolia (Hook.) Greene Native TELI3

  fineleaf fournerved daisy · Asteraceae
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  Thelesperma ambiguum A. Gray Native THAM4

  Colorado greenthread · Asteraceae
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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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  Thelocactus setispinus (Engelm.) E.F. Anderson Native THSE5

  miniature barrel cactus · Cactaceae
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  Thymophylla pentachaeta (DC.) Small Native THPE4

  fiveneedle pricklyleaf · Asteraceae
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  Thymophylla pentachaeta (DC.) Small var. pentachaeta Native THPEP

  fiveneedle pricklyleaf · Asteraceae
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  Thymophylla tenuiloba (DC.) Small Native THTE7

  bristleleaf pricklyleaf · Asteraceae
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  Thymophylla tenuiloba (DC.) Small var. tenuiloba Native THTET

  bristleleaf pricklyleaf · Asteraceae
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  Tillandsia recurvata (L.) L. Native TIRE

  small ballmoss · Bromeliaceae
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  Tiquilia canescens (DC.) A.T. Richardson Native TICA3

  woody crinklemat · Boraginaceae
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  Tiquilia canescens (DC.) A.T. Richardson var. canescens Native TICAC

  woody crinklemat · Boraginaceae
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  Tradescantia humilis Rose Native TRHU

  Texas spiderwort · Commelinaceae
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  Trichoneura elegans Swallen Native TREL

  Silveus' grass · Poaceae
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  Tridens albescens (Vasey) Wooton & Standl. Native TRAL2

  white tridens · Poaceae
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  Triplasis purpurea (Walter) Chapm. Native TRPU4

  purple sandgrass · Poaceae
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  Urochloa ciliatissima (Buckley) R. Webster Native URCI

  fringed signalgrass · Poaceae
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  Vachellia bravoensis (Isely) Seigler & Ebinger Native VABR4

  Bravo acacia · Fabaceae