Hays County

Showing 601–650 of 848.

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  Pistia stratiotes L. Native PIST2

  water lettuce · Araceae
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  Plantago rhodosperma Decne. Native PLRH

  redseed plantain · Plantaginaceae
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  Platanus occidentalis L. Native PLOC

  American sycamore · Platanaceae
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  Pleuraphis mutica Buckley Native PLMU3

  tobosagrass · Poaceae
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  Pluchea camphorata (L.) DC. Native PLCA7

  camphor pluchea · Asteraceae
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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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  Polanisia dodecandra (L.) DC. Native PODO3

  redwhisker clammyweed · Capparaceae
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  Polanisia dodecandra (L.) DC. ssp. trachysperma (Torr. & A. Gray) Iltis Native PODOT

  sandyseed clammyweed · Capparaceae
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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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  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 punctatum Elliott Native POPU5

  dotted smartweed · Polygonaceae
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  Polytaenia texana (J.M. Coult. & Rose) Mathias & Constance Native POTE3

  Texas prairie parsley · Apiaceae
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  Populus deltoides W. Bartram ex Marshall Native PODE3

  eastern cottonwood · Salicaceae
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  Populus deltoides W. Bartram ex Marshall ssp. deltoides Native PODED

  eastern cottonwood · Salicaceae
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  Potamogeton crispus L. Introduced POCR3

  curly pondweed · Potamogetonaceae
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  Potamogeton illinoensis Morong Native POIL

  Illinois pondweed · Potamogetonaceae
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  Potamogeton nodosus Poir. Native PONO2

  longleaf pondweed · Potamogetonaceae
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  Potamogeton pusillus L. Native POPU7

  small 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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  Prunus rivularis Scheele Native PRRI

  creek plum · Rosaceae
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  Pseudognaphalium obtusifolium (L.) Hilliard & B.L. Burtt Native PSOB3

  rabbit-tobacco · Asteraceae
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  Pseudognaphalium obtusifolium (L.) Hilliard & B.L. Burtt ssp. obtusifolium Native PSOBO

  rabbit-tobacco · Asteraceae
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  Psoralidium tenuiflorum (Pursh) Rydb. Native PSTE5

  slimflower scurfpea · Fabaceae
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  Ptelea trifoliata L. Native PTTR

  common hoptree · Rutaceae
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  Ptelea trifoliata L. ssp. angustifolia (Benth.) V. Bailey Native PTTRA

  common hoptree · Rutaceae
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  Ptelea trifoliata L. ssp. angustifolia (Benth.) V. Bailey var. angustifolia (Benth.) M.E. Jones Native PTTRA2

  common hoptree · Rutaceae
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  Ptelea trifoliata L. ssp. trifoliata Native PTTRT

  common hoptree · Rutaceae
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  Ptelea trifoliata L. ssp. trifoliata var. mollis Torr. & A. Gray Native PTTRM

  common hoptree · Rutaceae
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  Pueraria montana (Lour.) Merr. Introduced PUMO

  kudzu · Fabaceae
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  Pueraria montana (Lour.) Merr. var. lobata (Willd.) Maesen & S.M. Almeida ex Sanjappa & Predeep Introduced PUMOL

  kudzu · Fabaceae
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  Pyrrhopappus carolinianus (Walter) DC. Native PYCA2

  Carolina desert-chicory · Asteraceae
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  Pyrrhopappus grandiflorus (Nutt.) Nutt. Native PYGR2

  tuberous desert-chicory · Asteraceae
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  Pyrrhopappus pauciflorus (D. Don) DC. Native PYPA4

  smallflower desert-chicory · Asteraceae
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  Quercus buckleyi Nixon & Dorr Native QUBU2

  Texas red oak · Fagaceae
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  Quercus fusiformis Small Native QUFU

  Texas live oak · Fagaceae
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  Quercus laceyi Small Native QULA

  Lacey oak · Fagaceae
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  Quercus muehlenbergii Engelm. Native QUMU

  chinquapin oak · Fagaceae
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  Quercus shumardii Buckley Native QUSH

  Shumard's oak · Fagaceae
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  Quercus virginiana Mill. Native QUVI

  live oak · Fagaceae
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  Ranunculus macranthus Scheele Native RAMA3

  large buttercup · Ranunculaceae
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  Ranunculus muricatus L. Introduced RAMU2

  spinyfruit buttercup · Ranunculaceae
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  Rapistrum rugosum (L.) All. Introduced RARU

  annual bastardcabbage · Brassicaceae
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  Ratibida columnifera (Nutt.) Wooton & Standl. Native RACO3

  upright prairie coneflower · Asteraceae
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  Rhus lanceolata (A. Gray) Britton Native RHLA3

  prairie sumac · Anacardiaceae