Webb County

Showing 501–550 of 683.

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  Pennisetum ciliare (L.) Link Introduced PECI

  buffelgrass · Poaceae
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  Pennisetum nervosum (Nees) Trin. Introduced PENE4

  bentspike fountaingrass · Poaceae
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  Phacelia congesta Hook. Native PHCO2

  caterpillars · Hydrophyllaceae
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  Phacelia patuliflora (Engelm. & A. Gray) A. Gray Native PHPA4

  sand phacelia · Hydrophyllaceae
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  Phacelia patuliflora (Engelm. & A. Gray) A. Gray var. austrotexana J.A. Moyer Native PHPAA

  sand phacelia · Hydrophyllaceae
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  Phaulothamnus spinescens A. Gray Native PHSP2

  devilqueen · Achatocarpaceae
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  Phemeranthus aurantiacus (Engelm.) Kiger Native PHAU13

  orange fameflower · Portulacaceae
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  Phoradendron tomentosum (DC.) Engelm. ex A. Gray Native PHTO2

  Christmas mistletoe · Viscaceae
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  Phragmites australis (Cav.) Trin. ex Steud. Both PHAU7

  common reed · Poaceae
• ⚘
  Phyla fruticosa (Mill.) Kennedy Introduced PHFR11

  diamondleaf fogfruit · Verbenaceae
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  Phyla nodiflora (L.) Greene Native PHNO2

  turkey tangle fogfruit · Verbenaceae
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  Phyllanthus abnormis Baill. Native PHAB

  Drummond's leaf-flower · Euphorbiaceae
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  Phyllanthus abnormis Baill. var. riograndensis G.L. Webster Native PHABR

  Rio Grande leaf-flower · Euphorbiaceae
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  Phyllanthus polygonoides Nutt. ex Spreng. Native PHPO3

  smartweed leaf-flower · Euphorbiaceae
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  Physalis cinerascens (Dunal) Hitchc. Native PHCI4

  smallflower groundcherry · Solanaceae
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  Physalis cinerascens (Dunal) Hitchc. var. cinerascens Native PHCIC3

  smallflower groundcherry · Solanaceae
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  Physalis hederifolia A. Gray Native PHHE4

  ivyleaf groundcherry · Solanaceae
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  Plantago heterophylla Nutt. Native PLHE2

  slender plantain · Plantaginaceae
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  Plantago hookeriana Fisch. & C.A. Mey. Native PLHO

  California plantain · Plantaginaceae
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  Plantago rhodosperma Decne. Native PLRH

  redseed plantain · Plantaginaceae
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  Pleuraphis mutica Buckley Native PLMU3

  tobosagrass · Poaceae
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  Pluchea odorata (L.) Cass. Native PLOD

  sweetscent · Asteraceae
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  Pluchea odorata (L.) Cass. var. odorata Native PLODO

  sweetscent · Asteraceae
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  Poa annua L. Introduced POAN

  annual bluegrass · Poaceae
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  Polanisia dodecandra (L.) DC. Native PODO3

  redwhisker clammyweed · Capparaceae
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  Polanisia dodecandra (L.) DC. ssp. riograndensis Iltis Native PODOR

  Rio Grande clammyweed · Capparaceae
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  Polygala alba Nutt. Native POAL4

  white milkwort · Polygalaceae
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  Polygala glandulosa Kunth Native POGL5

  glandular 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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  Polygala macradenia A. Gray Native POMA7

  glandleaf milkwort · Polygalaceae
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  Polygonum hydropiperoides Michx. Native POHY2

  swamp smartweed · Polygonaceae
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  Polygonum lapathifolium L. Native POLA4

  curlytop knotweed · Polygonaceae
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  Polygonum persicaria L. Introduced POPE3

  spotted ladysthumb · Polygonaceae
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  Polypogon monspeliensis (L.) Desf. Introduced POMO5

  annual rabbitsfoot grass · Poaceae
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  Polypremum procumbens L. Native POPR4

  juniper leaf · Buddlejaceae
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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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  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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  Quincula lobata (Torr.) Raf. Native QULO2

  Chinese lantern · Solanaceae
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  Ranunculus sceleratus L. Native RASC3

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

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

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

  littleleaf sumac · Anacardiaceae