Starr County

Showing 451–500 of 592.

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  Polygonum striatulum B.L. Rob. Native POST7

  striped knotweed · Polygonaceae
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  Portulaca oleracea L. Both POOL

  little hogweed · Portulacaceae
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  Portulaca pilosa L. Native POPI3

  kiss me quick · Portulacaceae
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  Potamogeton nodosus Poir. Native PONO2

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

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

  ram's horn · Pedaliaceae
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  Proboscidea sabulosa Correll Native PRSA2

  sanddune unicorn-plant · Pedaliaceae
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  Prosopis glandulosa Torr. Native PRGL2

  honey mesquite · Fabaceae
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  Prosopis reptans Benth. Native PRRE2

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

  tornillo · Fabaceae
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  Psilostrophe gnaphalioides DC. Native PSGN

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

  smallflower desert-chicory · Asteraceae
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  Quercus fusiformis Small Native QUFU

  Texas live oak · Fagaceae
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  Quincula lobata (Torr.) Raf. Native QULO2

  Chinese lantern · Solanaceae
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  Ratibida columnifera (Nutt.) Wooton & Standl. Native RACO3

  upright prairie coneflower · Asteraceae
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  Rhynchosia americana (Houst. ex Mill.) M.C. Metz Native RHAM

  American snoutbean · Fabaceae
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  Rhynchosida physocalyx (A. Gray) Fryxell Native RHPH2

  buffpetal · Malvaceae
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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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  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 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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  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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  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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  Sanvitalia ocymoides DC. Native SAOC3

  yellow creeping zinnia · Asteraceae
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  Schaefferia cuneifolia A. Gray Native SCCU4

  desert yaupon · Celastraceae
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  Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Native SCTA2

  softstem bulrush · Cyperaceae
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  Sclerocarpus uniserialis (Benth.) Hemsl. Native SCUN2

  Mexican bonebract · Asteraceae
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  Sclerocarpus uniserialis (Benth.) Hemsl. var. austrotexanus B.L. Turner Native SCUNA

  Mexican bonebract · Asteraceae
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  Senecio ampullaceus Hook. Native SEAM2

  Texas ragwort · Asteraceae
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  Senegalia berlandieri Britton & Rose Native SEBE2

  guajillo · Fabaceae
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  Senegalia roemeriana (Scheele) Britton & Rose Native SERO

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

  catclaw acacia · Fabaceae
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  Senna bauhinioides (A. Gray) Irwin & Barneby Native SEBA3

  twinleaf senna · Fabaceae
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  Senna durangensis (Rose) Irwin & Barneby Native SEDU

  Durango senna · Fabaceae
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  Senna durangensis (Rose) Irwin & Barneby var. iselyi (Irwin & Barneby) Irwin & Barneby Native SEDUI

  Isely's senna · Fabaceae
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  Serjania brachycarpa A. Gray Native SEBR4

  littlefruit slipplejack · Sapindaceae
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  Sesbania drummondii (Rydb.) Cory Native SEDR

  poisonbean · Fabaceae
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  Sesuvium verrucosum Raf. Native SEVE2

  verrucose seapurslane · Aizoaceae
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  Setaria grisebachii Fourn. Native SEGR6

  Grisebach's bristlegrass · Poaceae
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  Setaria leucopila (Scribn. & Merr.) K. Schum. Native SELE6

  streambed bristlegrass · Poaceae
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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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  Setaria scheelei (Steud.) Hitchc. Native SESC2

  southwestern bristlegrass · Poaceae
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  Setaria texana W.H.P. Emery Native SETE6

  Texas bristlegrass · Poaceae