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 2,101–2,150 of 2,768.

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  Quercus muehlenbergii Engelm. Native QUMU

  chinquapin oak · Fagaceae 63 counties
• 
  Quercus nigra L. Native QUNI

  water oak · Fagaceae 18 counties
• 
  Quercus pagoda Raf. Native QUPA5

  cherrybark oak · Fagaceae 2 counties
• 
  Quercus palustris Münchh. Native QUPA2

  pin oak · Fagaceae 29 counties
• 
  Quercus phellos L. Native QUPH

  willow oak · Fagaceae 12 counties
• 
  Quercus prinoides Willd. Native QUPR

  dwarf chinquapin oak · Fagaceae 63 counties
• 
  Quercus rubra L. Native QURU

  northern red oak · Fagaceae 34 counties
• 
  Quercus rubra L. var. rubra Native QURUR

  northern red oak · Fagaceae 14 counties
• 
  Quercus shumardii Buckley Native QUSH

  Shumard's oak · Fagaceae 50 counties
• 
  Quercus sinuata Walter Native QUSI

  bastard oak · Fagaceae 5 counties
• 
  Quercus sinuata Walter var. breviloba (Torr.) C.H. Mull. Native QUSIB

  bastard oak · Fagaceae 5 counties
• 
  Quercus stellata Wangenh. Native QUST

  post oak · Fagaceae 64 counties
• 
  Quercus texana Buckley Native QUTE

  Nuttall oak · Fagaceae 3 counties
• 
  Quercus velutina Lam. Native QUVE

  black oak · Fagaceae 47 counties
• ⚘
  Quercus ×pauciloba Rydb. (pro sp.) [gambelii × turbinella] Native QUPA4

  Fagaceae 2 counties
• 
  Quincula lobata (Torr.) Raf. Native QULO2

  Chinese lantern · Solanaceae 27 counties
• 
  Ranunculus abortivus L. Native RAAB

  littleleaf buttercup · Ranunculaceae 18 counties
• 
  Ranunculus arvensis L. Introduced RAAR3

  corn buttercup · Ranunculaceae 1 county
• 
  Ranunculus cymbalaria Pursh Native RACY

  alkali buttercup · Ranunculaceae 4 counties
• 
  Ranunculus fascicularis Muhl. ex Bigelow Native RAFA

  early buttercup · Ranunculaceae 22 counties
• 
  Ranunculus flabellaris Raf. Native RAFL

  yellow water buttercup · Ranunculaceae 1 county
• 
  Ranunculus harveyi (A. Gray) Britton Native RAHA

  Harvey's buttercup · Ranunculaceae 16 counties
• 
  Ranunculus hispidus Michx. Native RAHI

  bristly buttercup · Ranunculaceae 6 counties
• 
  Ranunculus hispidus Michx. var. hispidus Native RAHIH

  bristly buttercup · Ranunculaceae 1 county
• 
  Ranunculus hispidus Michx. var. nitidus (Chapm.) T. Duncan Native RAHIN

  bristly buttercup · Ranunculaceae 3 counties
• 
  Ranunculus laxicaulis (Torr. & A. Gray) Darby Native RALA2

  Mississippi buttercup · Ranunculaceae 1 county
• 
  Ranunculus longirostris Godr. Native RALO2

  longbeak buttercup · Ranunculaceae 7 counties
• 
  Ranunculus micranthus Nutt. Native RAMI2

  rock buttercup · Ranunculaceae 12 counties
• 
  Ranunculus parviflorus L. Introduced RAPA3

  smallflower buttercup · Ranunculaceae 1 county
• 
  Ranunculus pusillus Poir. Native RAPU

  low spearwort · Ranunculaceae 1 county
• 
  Ranunculus recurvatus Poir. Native RARE2

  blisterwort · Ranunculaceae 5 counties
• 
  Ranunculus recurvatus Poir. var. recurvatus Native RARER2

  blisterwort · Ranunculaceae 5 counties
• 
  Ranunculus repens L. Introduced RARE3

  creeping buttercup · Ranunculaceae 1 county
• 
  Ranunculus sardous Crantz Introduced RASA

  hairy buttercup · Ranunculaceae 1 county
• 
  Ranunculus sceleratus L. Native RASC3

  cursed buttercup · Ranunculaceae 14 counties
• 
  Ranunculus sceleratus L. var. sceleratus Native RASCS

  cursed buttercup · Ranunculaceae 14 counties
• 
  Ratibida columnifera (Nutt.) Wooton & Standl. Native RACO3

  upright prairie coneflower · Asteraceae 44 counties
• 
  Ratibida pinnata (Vent.) Barnhart Native RAPI

  pinnate prairie coneflower · Asteraceae 10 counties
• 
  Ratibida tagetes (James) Barnhart Native RATA

  green prairie coneflower · Asteraceae 4 counties
• 
  Rayjacksonia annua (Rydb.) R.L. Hartm. & M.A. Lane Native RAAN2

  viscid tansyaster · Asteraceae 9 counties
• 
  Redfieldia flexuosa (Thurb.) Vasey Native REFL

  blowout grass · Poaceae 5 counties
• 
  Reverchonia arenaria A. Gray Native REAR

  sand reverchonia · Euphorbiaceae 4 counties
• 
  Rhamnus lanceolata Pursh Native RHLA

  lanceleaf buckthorn · Rhamnaceae 1 county
• 
  Rhamnus lanceolata Pursh ssp. glabrata (Gleason) Kartesz & Gandhi Native RHLAG2

  lanceleaf buckthorn · Rhamnaceae 1 county
• 
  Rhexia mariana L. Native RHMA

  Maryland meadowbeauty · Melastomataceae 1 county
• 
  Rhexia mariana L. var. interior (Pennell) Kral & Bostick Native RHMAI

  Maryland meadowbeauty · Melastomataceae 1 county
• 
  Rhexia mariana L. var. mariana Native RHMAM2

  Maryland meadowbeauty · Melastomataceae 1 county
• 
  Rhododendron viscosum (L.) Torr. Native RHVI2

  swamp azalea · Ericaceae 1 county
• 
  Rhus aromatica Aiton Native RHAR4

  fragrant sumac · Anacardiaceae 52 counties
• 
  Rhus aromatica Aiton var. aromatica Native RHARA2

  fragrant sumac · Anacardiaceae 19 counties