Webb County

Showing 501–550 of 588 (native).

• 
  Setaria leucopila (Scribn. & Merr.) K. Schum. Native SELE6

  streambed bristlegrass · Poaceae
• 
  Setaria macrostachya Kunth Native SEMA5

  large-spike bristlegrass · Poaceae
• 
  Setaria reverchonii (Vasey) Pilg. Native SERE3

  Reverchon's bristlegrass · Poaceae
• 
  Setaria texana W.H.P. Emery Native SETE6

  Texas bristlegrass · Poaceae
• 
  Sibara viereckii (O.E. Schultz) Rollins Native SIVI5

  Viereck's winged rockcress · Brassicaceae
• 
  Sideroxylon celastrinum (Kunth) T.D. Penn. Native SICE2

  saffron plum · Sapotaceae
• 
  Sideroxylon lanuginosum Michx. Native SILA20

  gum bully · Sapotaceae
• 
  Sideroxylon lanuginosum Michx. ssp. albicans (Sarg.) Kartesz & Gandhi Native SILAA4

  gum bully · Sapotaceae
• 
  Simsia calva (Engelm. & A. Gray) A. Gray Native SICA7

  awnless bushsunflower · Asteraceae
• 
  Solanum douglasii Dunal Native SODO

  greenspot nightshade · Solanaceae
• 
  Solanum elaeagnifolium Cav. Native SOEL

  silverleaf nightshade · Solanaceae
• 
  Solanum ptycanthum Dunal Native SOPT7

  West Indian nightshade · Solanaceae
• 
  Solanum rostratum Dunal Native SORO

  buffalobur nightshade · Solanaceae
• 
  Solanum triquetrum Cav. Native SOTR2

  Texas nightshade · Solanaceae
• 
  Spermolepis echinata (Nutt. ex DC.) A. Heller Native SPEC2

  bristly scaleseed · Apiaceae
• 
  Sphaeralcea hastulata A. Gray Native SPHA

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

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

  alkali sacaton · Poaceae
• 
  Sporobolus compositus (Poir.) Merr. Native SPCO16

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

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

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

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

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

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

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

  willowleaf aster · Asteraceae
• 
  Synthlipsis greggii A. Gray Native SYGR

  Gregg's keelpod · Brassicaceae
• 
  Tecoma stans (L.) Juss. ex Kunth Native TEST

  yellow trumpetbush · Bignoniaceae
• 
  Tephrosia lindheimeri A. Gray Native TELI

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

  Coulter's wrinklefruit · Verbenaceae
• 
  Tetragonotheca repanda (Buckley) Small Native TERE2

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

  fineleaf fournerved daisy · Asteraceae
• 
  Tetraneuris scaposa (DC.) Greene Native TESC2

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

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

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

  rue of the mountains · Rutaceae
• ⚘
  Thelesperma ambiguum A. Gray Native THAM4

  Colorado greenthread · Asteraceae
• 
  Thelesperma filifolium (Hook.) A. Gray Native THFI

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

  stiff greenthread · Asteraceae
• 
  Thelesperma simplicifolium A. Gray Native THSI

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

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

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

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

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

  bristleleaf pricklyleaf · Asteraceae
• 
  Thymophylla tephroleuca (S.F. Blake) Strother Native THTE8

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

  woolly tidestromia · Amaranthaceae
• 
  Tiquilia canescens (DC.) A.T. Richardson Native TICA3

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

  woody crinklemat · Boraginaceae
• 
  Tradescantia buckleyi (I.M. Johnst.) D.R. Hunt Native TRBU2

  Buckley's spiderwort · Commelinaceae