Oklahoma

• Adair 40001
  462 taxa Open ↗
• Alfalfa 40003
  443 taxa Open ↗
• Atoka 40005
  275 taxa Open ↗
• Beaver 40007
  382 taxa Open ↗
• Beckham 40009
  298 taxa Open ↗
• Blaine 40011
  437 taxa Open ↗
• Bryan 40013
  935 taxa Open ↗
• Caddo 40015
  574 taxa Open ↗
• Canadian 40017
  444 taxa Open ↗
• Carter 40019
  424 taxa Open ↗

Showing 2,001–2,050 of 2,768.

• 
  Polypogon viridis (Gouan) Breistr. Introduced POVI9

  beardless rabbitsfoot grass · Poaceae 1 county
• 
  Polystichum acrostichoides (Michx.) Schott Native POAC4

  Christmas fern · Dryopteridaceae 10 counties
• 
  Polystichum acrostichoides (Michx.) Schott var. acrostichoides Native POACA

  Christmas fern · Dryopteridaceae 10 counties
• 
  Polytaenia nuttallii DC. Native PONU4

  Nuttall's prairie parsley · Apiaceae 36 counties
• 
  Polytaenia texana (J.M. Coult. & Rose) Mathias & Constance Native POTE3

  Texas prairie parsley · Apiaceae 14 counties
• 
  Pomaria jamesii (Torr. & A. Gray) Walp. Native POJA5

  James' holdback · Fabaceae 13 counties
• 
  Poncirus trifoliata (L.) Raf. Introduced POTR4

  hardy orange · Rutaceae 1 county
• 
  Pontederia cordata L. Native POCO14

  pickerelweed · Pontederiaceae 1 county
• 
  Populus alba L. Introduced POAL7

  white poplar · Salicaceae 3 counties
• 
  Populus deltoides W. Bartram ex Marshall Native PODE3

  eastern cottonwood · Salicaceae 37 counties
• 
  Populus deltoides W. Bartram ex Marshall ssp. deltoides Native PODED

  eastern cottonwood · Salicaceae 22 counties
• 
  Populus deltoides W. Bartram ex Marshall ssp. monilifera (Aiton) Eckenwalder Native PODEM

  plains cottonwood · Salicaceae 26 counties
• 
  Portulaca halimoides L. Native POHA5

  silkcotton purslane · Portulacaceae 12 counties
• 
  Portulaca oleracea L. Both POOL

  little hogweed · Portulacaceae 12 counties
• 
  Portulaca pilosa L. Native POPI3

  kiss me quick · Portulacaceae 14 counties
• 
  Portulaca umbraticola Kunth Native POUM

  wingpod purslane · Portulacaceae 1 county
• 
  Portulaca umbraticola Kunth ssp. umbraticola Native POUMU

  wingpod purslane · Portulacaceae 1 county
• 
  Potamogeton amplifolius Tuck. Native POAM5

  largeleaf pondweed · Potamogetonaceae 4 counties
• 
  Potamogeton crispus L. Introduced POCR3

  curly pondweed · Potamogetonaceae 4 counties
• 
  Potamogeton diversifolius Raf. Native PODI

  waterthread pondweed · Potamogetonaceae 5 counties
• 
  Potamogeton foliosus Raf. Native POFO3

  leafy pondweed · Potamogetonaceae 11 counties
• 
  Potamogeton foliosus Raf. ssp. foliosus Native POFOF4

  leafy pondweed · Potamogetonaceae 11 counties
• 
  Potamogeton illinoensis Morong Native POIL

  Illinois pondweed · Potamogetonaceae 1 county
• 
  Potamogeton nodosus Poir. Native PONO2

  longleaf pondweed · Potamogetonaceae 13 counties
• 
  Potamogeton pusillus L. Native POPU7

  small pondweed · Potamogetonaceae 5 counties
• 
  Potamogeton pusillus L. ssp. pusillus Native POPUP5

  small pondweed · Potamogetonaceae 5 counties
• 
  Potamogeton pusillus L. ssp. tenuissimus (Mert. & W.D.J. Koch) Haynes & C.B. Hellquist Native POPUT3

  small pondweed · Potamogetonaceae 1 county
• 
  Potentilla arguta Pursh Native POAR7

  tall cinquefoil · Rosaceae 4 counties
• 
  Potentilla arguta Pursh ssp. arguta Native POARA4

  tall cinquefoil · Rosaceae 4 counties
• 
  Potentilla recta L. Introduced PORE5

  sulphur cinquefoil · Rosaceae 9 counties
• 
  Potentilla rivalis Nutt. Native PORI3

  brook cinquefoil · Rosaceae 1 county
• 
  Potentilla simplex Michx. Native POSI2

  common cinquefoil · Rosaceae 19 counties
• 
  Prenanthes altissima L. Native PRAL3

  tall rattlesnakeroot · Asteraceae 5 counties
• 
  Prenanthes aspera Michx. Native PRAS

  rough rattlesnakeroot · Asteraceae 4 counties
• 
  Prenanthes crepidinea Michx. Native PRCR

  nodding rattlesnakeroot · Asteraceae 1 county
• 
  Proboscidea louisianica (Mill.) Thell. Native PRLO

  ram's horn · Pedaliaceae 22 counties
• 
  Proboscidea louisianica (Mill.) Thell. ssp. louisianica Native PRLOL

  ram's horn · Pedaliaceae 22 counties
• 
  Prosopis glandulosa Torr. Native PRGL2

  honey mesquite · Fabaceae 26 counties
• 
  Prosopis glandulosa Torr. var. glandulosa Native PRGLG

  honey mesquite · Fabaceae 26 counties
• 
  Prunella vulgaris L. Native PRVU

  common selfheal · Lamiaceae 24 counties
• 
  Prunella vulgaris L. ssp. lanceolata (W. Bartram) Hultén Native PRVUL2

  lance selfheal · Lamiaceae 24 counties
• 
  Prunus americana Marshall Native PRAM

  American plum · Rosaceae 22 counties
• 
  Prunus angustifolia Marshall Native PRAN3

  Chickasaw plum · Rosaceae 46 counties
• 
  Prunus angustifolia Marshall var. angustifolia Native PRANA

  Chickasaw plum · Rosaceae 1 county
• 
  Prunus gracilis Engelm. & A. Gray Native PRGR

  Oklahoma plum · Rosaceae 29 counties
• 
  Prunus hortulana L.H. Bailey Native PRHO

  hortulan plum · Rosaceae 6 counties
• 
  Prunus mahaleb L. Introduced PRMA

  Mahaleb cherry · Rosaceae 2 counties
• 
  Prunus mexicana S. Watson Native PRME

  Mexican plum · Rosaceae 30 counties
• 
  Prunus munsoniana W. Wight & Hedrick Native PRMU

  wild goose plum · Rosaceae 6 counties
• 
  Prunus persica (L.) Batsch Introduced PRPE3

  peach · Rosaceae 1 county