Frio County

Showing 251–300 of 345.

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  Plantago wrightiana Decne. Native PLWR

  Wright's plantain · Plantaginaceae
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  Polygala alba Nutt. Native POAL4

  white milkwort · Polygalaceae
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  Polygala lindheimeri A. Gray Native POLI

  shrubby milkwort · Polygalaceae
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  Polygala lindheimeri A. Gray var. lindheimeri Native POLIL

  shrubby milkwort · Polygalaceae
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  Polypogon viridis (Gouan) Breistr. Introduced POVI9

  beardless rabbitsfoot grass · Poaceae
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  Portulaca pilosa L. Native POPI3

  kiss me quick · Portulacaceae
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  Potamogeton illinoensis Morong Native POIL

  Illinois pondweed · Potamogetonaceae
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  Prosopis glandulosa Torr. Native PRGL2

  honey mesquite · Fabaceae
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  Prunus minutiflora Engelm. Native PRMI2

  Texas almond · Rosaceae
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  Pseudognaphalium austrotexanum G.L. Nesom Native PSAU3

  Texas rabbit-tobacco · Asteraceae
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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 marilandica Münchh. Native QUMA3

  blackjack oak · Fagaceae
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  Ratibida columnifera (Nutt.) Wooton & Standl. Native RACO3

  upright prairie coneflower · Asteraceae
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  Ratibida peduncularis (Torr. & A. Gray) Barnhart Native RAPE3

  naked Mexicanhat · Asteraceae
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  Rhus microphylla Engelm. ex A. Gray Native RHMI3

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

  buffpetal · Malvaceae
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  Rudbeckia hirta L. Native RUHI2

  blackeyed Susan · Asteraceae
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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
• ⚘
  Rumex spiralis Small Native RUSP2

  winged dock · Polygonaceae
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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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  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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  Schedonnardus paniculatus (Nutt.) Trel. Native SCPA

  tumblegrass · Poaceae
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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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  Senecio ampullaceus Hook. Native SEAM2

  Texas ragwort · Asteraceae
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  Senegalia roemeriana (Scheele) Britton & Rose Native SERO

  roundflower catclaw · Fabaceae
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  Serjania brachycarpa A. Gray Native SEBR4

  littlefruit slipplejack · Sapindaceae
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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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  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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  Sida lindheimeri Engelm. & A. Gray Native SILI

  showy fanpetals · Malvaceae
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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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  Sisymbrium irio L. Introduced SIIR

  London rocket · Brassicaceae
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  Solanum elaeagnifolium Cav. Native SOEL

  silverleaf 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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  Spermolepis divaricata (Walter) Raf. ex Ser. Native SPDI2

  roughfruit scaleseed · Apiaceae
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  Sphaeralcea pedatifida (A. Gray) A. Gray Native SPPE2

  palmleaf globemallow · Malvaceae
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  Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

  sand dropseed · Poaceae
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  Stellaria prostrata Baldw. Native STPR

  prostrate starwort · Caryophyllaceae
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  Symphyotrichum divaricatum (Nutt.) G.L. Nesom Native SYDI2

  southern annual saltmarsh aster · Asteraceae
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  Symphyotrichum ericoides (L.) G.L. Nesom Native SYER

  white heath aster · Asteraceae