Webb County

Showing 451–500 of 588 (native).

• 
  Polygala lindheimeri A. Gray var. lindheimeri Native POLIL

  shrubby milkwort · Polygalaceae
• 
  Polygala macradenia A. Gray Native POMA7

  glandleaf milkwort · Polygalaceae
• 
  Polygonum hydropiperoides Michx. Native POHY2

  swamp smartweed · Polygonaceae
• 
  Polygonum lapathifolium L. Native POLA4

  curlytop knotweed · Polygonaceae
• 
  Polypremum procumbens L. Native POPR4

  juniper leaf · Buddlejaceae
• 
  Portulaca pilosa L. Native POPI3

  kiss me quick · Portulacaceae
• 
  Potamogeton nodosus Poir. Native PONO2

  longleaf pondweed · Potamogetonaceae
• 
  Proboscidea louisianica (Mill.) Thell. Native PRLO

  ram's horn · Pedaliaceae
• 
  Proboscidea louisianica (Mill.) Thell. ssp. louisianica Native PRLOL

  ram's horn · Pedaliaceae
• 
  Prosopis glandulosa Torr. Native PRGL2

  honey mesquite · Fabaceae
• 
  Prosopis reptans Benth. Native PRRE2

  tornillo · Fabaceae
• 
  Prosopis reptans Benth. var. cinerascens (A. Gray) Burkart Native PRREC

  tornillo · Fabaceae
• 
  Psilostrophe gnaphalioides DC. Native PSGN

  dudweed · Asteraceae
• 
  Pyrrhopappus pauciflorus (D. Don) DC. Native PYPA4

  smallflower desert-chicory · Asteraceae
• 
  Quincula lobata (Torr.) Raf. Native QULO2

  Chinese lantern · Solanaceae
• 
  Ranunculus sceleratus L. Native RASC3

  cursed buttercup · Ranunculaceae
• 
  Ranunculus sceleratus L. var. sceleratus Native RASCS

  cursed buttercup · Ranunculaceae
• 
  Ratibida columnifera (Nutt.) Wooton & Standl. Native RACO3

  upright prairie coneflower · Asteraceae
• 
  Rhus microphylla Engelm. ex A. Gray Native RHMI3

  littleleaf sumac · Anacardiaceae
• 
  Rhynchosida physocalyx (A. Gray) Fryxell Native RHPH2

  buffpetal · Malvaceae
• 
  Richardia brasiliensis Gomes Native RIBR2

  tropical Mexican clover · Rubiaceae
• 
  Rivina humilis L. Native RIHU2

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

  southern marsh yellowcress · Brassicaceae
• 
  Rubus trivialis Michx. Native RUTR

  southern dewberry · Rosaceae
• ⚘
  Ruellia malacosperma Greenm. Native RUMA9

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

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

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

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

  Yucatan wild petunia · Acanthaceae
• 
  Rumex chrysocarpus Moris Native RUCH3

  amamastla · Polygonaceae
• ⚘
  Rumex spiralis Small Native RUSP2

  winged dock · Polygonaceae
• 
  Salix nigra Marshall Native SANI

  black willow · Salicaceae
• 
  Salvia ballotiflora Benth. Native SABA5

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

  blood sage · Lamiaceae
• 
  Salvia farinacea Benth. Native SAFA2

  mealycup sage · Lamiaceae
• 
  Samolus valerandi L. ssp. parviflorus (Raf.) Hultén Native SAVAP

  seaside brookweed · Primulaceae
• 
  Schaefferia cuneifolia A. Gray Native SCCU4

  desert yaupon · Celastraceae
• 
  Schoenoplectus californicus (C.A. Mey.) Palla Native SCCA11

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

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

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

  softstem bulrush · Cyperaceae
• 
  Scutellaria drummondii Benth. Native SCDR2

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

  Drummond's skullcap · Lamiaceae
• 
  Scutellaria muriculata Epling Native SCMU2

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

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

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

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

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

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

  shoreline seapurslane · Aizoaceae