Webb County

Showing 601–650 of 683.

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  Solanum elaeagnifolium Cav. Native SOEL

  silverleaf nightshade · Solanaceae
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  Solanum ptycanthum Dunal Native SOPT7

  West Indian nightshade · Solanaceae
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  Solanum rostratum Dunal Native SORO

  buffalobur nightshade · Solanaceae
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  Solanum triquetrum Cav. Native SOTR2

  Texas nightshade · Solanaceae
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  Sonchus asper (L.) Hill Introduced SOAS

  spiny sowthistle · Asteraceae
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  Sonchus oleraceus L. Introduced SOOL

  common sowthistle · Asteraceae
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  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae
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  Spermolepis echinata (Nutt. ex DC.) A. Heller Native SPEC2

  bristly scaleseed · Apiaceae
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  Sphaeralcea hastulata A. Gray Native SPHA

  spear 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 compositus (Poir.) Merr. Native SPCO16

  composite dropseed · Poaceae
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  Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

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

  Madagascar dropseed · Poaceae
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  Sporobolus wrightii Munro ex Scribn. Native SPWR2

  big sacaton · Poaceae
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  Stenandrium dulce (Cav.) Nees Native STDU2

  sweet shaggytuft · Acanthaceae
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  Stenandrium dulce (Cav.) Nees var. dulce Native STDUD

  sweet shaggytuft · Acanthaceae
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  Symphyotrichum divaricatum (Nutt.) G.L. Nesom Native SYDI2

  southern annual saltmarsh aster · Asteraceae
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  Symphyotrichum praealtum (Poir.) G.L. Nesom Native SYPR5

  willowleaf aster · Asteraceae
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  Synthlipsis greggii A. Gray Native SYGR

  Gregg's keelpod · Brassicaceae
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  Tamarix ramosissima Ledeb. Introduced TARA

  saltcedar · Tamaricaceae
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  Tecoma stans (L.) Juss. ex Kunth Native TEST

  yellow trumpetbush · Bignoniaceae
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  Tephrosia lindheimeri A. Gray Native TELI

  Lindheimer's hoarypea · Fabaceae
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  Tetraclea coulteri A. Gray Native TECO

  Coulter's wrinklefruit · Verbenaceae
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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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  Tetraneuris scaposa (DC.) Greene Native TESC2

  stemmy four-nerve daisy · Asteraceae
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  Tetraneuris scaposa (DC.) Greene var. argyrocaulon (K.F. Parker) K.F. Parker Native TESCA

  stemmy four-nerve daisy · Asteraceae
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  Teucrium cubense Jacq. Native TECU

  small coastal germander · Lamiaceae
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  Thamnosma texana (A. Gray) Torr. Native THTE2

  rue of the mountains · Rutaceae
• ⚘
  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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  Thelesperma simplicifolium A. Gray Native THSI

  slender 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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  Thymophylla tephroleuca (S.F. Blake) Strother Native THTE8

  ashy pricklyleaf · Asteraceae
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  Tidestromia lanuginosa (Nutt.) Standl. Native TILA2

  woolly tidestromia · Amaranthaceae
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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 buckleyi (I.M. Johnst.) D.R. Hunt Native TRBU2

  Buckley's spiderwort · Commelinaceae
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  Tradescantia humilis Rose Native TRHU

  Texas spiderwort · Commelinaceae
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  Trianthema portulacastrum L. Native TRPO2

  desert horsepurslane · Aizoaceae
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  Tribulus terrestris L. Introduced TRTE

  puncturevine · Zygophyllaceae
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  Trichloris crinita (Lag.) Parodi Native TRCR9

  false Rhodes grass · Poaceae
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  Trichloris pluriflora Fourn. Native TRPL3

  multiflower false Rhodes grass · Poaceae
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  Tridens albescens (Vasey) Wooton & Standl. Native TRAL2

  white tridens · Poaceae