Webb County

Showing 551–600 of 683.

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  Rhynchosida physocalyx (A. Gray) Fryxell Native RHPH2

  buffpetal · Malvaceae
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  Richardia brasiliensis Gomes Native RIBR2

  tropical Mexican clover · Rubiaceae
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  Rivina humilis L. Native RIHU2

  rougeplant · Phytolaccaceae
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  Rorippa teres (Michx.) R. Stuckey Native ROTE2

  southern marsh yellowcress · Brassicaceae
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  Rubus trivialis Michx. Native RUTR

  southern dewberry · Rosaceae
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  Ruellia malacosperma Greenm. Native RUMA9

  softseed wild petunia · Acanthaceae
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  Ruellia nudiflora (Engelm. & A. Gray) Urb. Native RUNU

  violet wild petunia · Acanthaceae
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  Ruellia nudiflora (Engelm. & A. Gray) Urb. var. runyonii (Tharp & F.A. Barkley) B.L. Turner Native RUNUR

  Runyon's wild petunia · Acanthaceae
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  Ruellia occidentalis (A. Gray) Tharp & F.A. Barkley Native RUOC4

  western wild petunia · Acanthaceae
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  Ruellia yucatana (Leonard) Tharp & F.A. Barkley Native RUYU

  Yucatan wild petunia · Acanthaceae
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  Rumex chrysocarpus Moris Native RUCH3

  amamastla · Polygonaceae
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  Rumex spiralis Small Native RUSP2

  winged dock · Polygonaceae
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  Ruta graveolens L. Introduced RUGR3

  common rue · Rutaceae
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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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  Salvia ballotiflora Benth. Native SABA5

  shrubby blue sage · Lamiaceae
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  Salvia coccinea P.J. Buchoz ex Etlinger Native SACO5

  blood sage · Lamiaceae
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  Salvia farinacea Benth. Native SAFA2

  mealycup sage · Lamiaceae
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  Samolus valerandi L. Both SAVA3

  seaside brookweed · Primulaceae
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  Samolus valerandi L. ssp. parviflorus (Raf.) Hultén Native SAVAP

  seaside brookweed · Primulaceae
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  Schaefferia cuneifolia A. Gray Native SCCU4

  desert yaupon · Celastraceae
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  Schinus molle L. Introduced SCMO

  Peruvian peppertree · Anacardiaceae
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  Schoenoplectus californicus (C.A. Mey.) Palla Native SCCA11

  California bulrush · Cyperaceae
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  Schoenoplectus pungens (Vahl) Palla Native SCPU10

  common threesquare · Cyperaceae
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  Schoenoplectus pungens (Vahl) Palla var. longispicatus (Britton) S.G. Sm. Native SCPUL4

  common threesquare · Cyperaceae
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  Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Native SCTA2

  softstem bulrush · Cyperaceae
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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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  Scutellaria muriculata Epling Native SCMU2

  Rio Grande skullcap · Lamiaceae
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  Senegalia berlandieri Britton & Rose Native SEBE2

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

  catclaw acacia · Fabaceae
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  Senna pumilio (A. Gray) Irwin & Barneby Native SEPU13

  dwarf senna · Fabaceae
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  Sesbania drummondii (Rydb.) Cory Native SEDR

  poisonbean · Fabaceae
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  Sesuvium portulacastrum (L.) L. Native SEPO2

  shoreline seapurslane · Aizoaceae
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  Sesuvium portulacastrum (L.) L. var. portulacastrum Native SEPOP

  shoreline seapurslane · Aizoaceae
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  Setaria adhaerens (Forssk.) Chiov. Introduced SEAD

  bur bristlegrass · Poaceae
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  Setaria leucopila (Scribn. & Merr.) K. Schum. Native SELE6

  streambed bristlegrass · Poaceae
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  Setaria macrostachya Kunth Native SEMA5

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

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

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

  Viereck's winged rockcress · Brassicaceae
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  Sida abutifolia Mill. Introduced SIAB

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

  saffron plum · Sapotaceae
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  Sideroxylon lanuginosum Michx. Native SILA20

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

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

  awnless bushsunflower · Asteraceae
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  Sinapis arvensis L. Introduced SIAR4

  charlock mustard · Brassicaceae
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  Sinapis arvensis L. ssp. arvensis Introduced SIARA

  wild mustard · Brassicaceae
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  Sisymbrium irio L. Introduced SIIR

  London rocket · Brassicaceae
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  Solanum douglasii Dunal Native SODO

  greenspot nightshade · Solanaceae