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 1,051–1,100 of 2,768.

• 
  Eryngium integrifolium Walter Native ERIN6

  blueflower eryngo · Apiaceae 2 counties
• 
  Eryngium leavenworthii Torr. & A. Gray Native ERLE11

  Leavenworth's eryngo · Apiaceae 13 counties
• 
  Eryngium yuccifolium Michx. Native ERYU

  button eryngo · Apiaceae 21 counties
• 
  Eryngium yuccifolium Michx. var. synchaetum A. Gray ex J.M. Coult. & Rose Native ERYUS

  button eryngo · Apiaceae 20 counties
• 
  Erysimum capitatum (Douglas ex Hook.) Greene Native ERCA14

  sanddune wallflower · Brassicaceae 16 counties
• 
  Erysimum capitatum (Douglas ex Hook.) Greene var. capitatum Native ERCAC

  sanddune wallflower · Brassicaceae 16 counties
• 
  Erysimum repandum L. Introduced ERRE4

  spreading wallflower · Brassicaceae 19 counties
• 
  Erythronium albidum Nutt. Native ERAL9

  white fawnlily · Liliaceae 7 counties
• 
  Erythronium mesochoreum Knerr Native ERME15

  midland fawnlily · Liliaceae 20 counties
• 
  Erythronium rostratum W. Wolf Native ERRO5

  yellow troutlily · Liliaceae 1 county
• 
  Escobaria missouriensis (Sweet) D.R. Hunt Native ESMI3

  Missouri foxtail cactus · Cactaceae 2 counties
• 
  Escobaria vivipara (Nutt.) Buxbaum Native ESVI2

  spinystar · Cactaceae 4 counties
• 
  Escobaria vivipara (Nutt.) Buxbaum var. vivipara Native ESVIV

  spinystar · Cactaceae 4 counties
• 
  Euonymus atropurpureus Jacq. Native EUAT5

  burningbush · Celastraceae 26 counties
• 
  Euonymus atropurpureus Jacq. var. atropurpureus Native EUATA2

  eastern wahoo · Celastraceae 26 counties
• 
  Eupatorium altissimum L. Native EUAL3

  tall thoroughwort · Asteraceae 14 counties
• 
  Eupatorium perfoliatum L. Native EUPE3

  common boneset · Asteraceae 19 counties
• 
  Eupatorium perfoliatum L. var. perfoliatum Native EUPEP

  common boneset · Asteraceae 19 counties
• 
  Eupatorium rotundifolium L. Native EURO4

  roundleaf thoroughwort · Asteraceae 1 county
• 
  Eupatorium serotinum Michx. Native EUSE2

  lateflowering thoroughwort · Asteraceae 30 counties
• 
  Eupatorium sessilifolium L. Native EUSE3

  upland boneset · Asteraceae 1 county
• 
  Eupatorium sessilifolium L. var. sessilifolium Native EUSES

  upland boneset · Asteraceae 1 county
• 
  Euphorbia commutata Engelm. ex A. Gray Native EUCO8

  tinted woodland spurge · Euphorbiaceae 1 county
• 
  Euphorbia corollata L. Native EUCO10

  flowering spurge · Euphorbiaceae 31 counties
• 
  Euphorbia cyathophora Murray Native EUCY

  fire on the mountain · Euphorbiaceae 16 counties
• 
  Euphorbia cyparissias L. Introduced EUCY2

  cypress spurge · Euphorbiaceae 1 county
• 
  Euphorbia davidii Subils Introduced EUDA5

  David's spurge · Euphorbiaceae 19 counties
• 
  Euphorbia dentata Michx. Both EUDE4

  toothed spurge · Euphorbiaceae 39 counties
• 
  Euphorbia dentata Michx. var. dentata Native EUDED

  toothed spurge · Euphorbiaceae 39 counties
• 
  Euphorbia hexagona Nutt. ex Spreng. Native EUHE5

  sixangle spurge · Euphorbiaceae 15 counties
• 
  Euphorbia longicruris Scheele Native EULO2

  wedgeleaf spurge · Euphorbiaceae 5 counties
• 
  Euphorbia marginata Pursh Native EUMA8

  snow on the mountain · Euphorbiaceae 31 counties
• 
  Euphorbia spathulata Lam. Native EUSP

  warty spurge · Euphorbiaceae 44 counties
• 
  Eurybia hemispherica (Alexander) G.L. Nesom Native EUHE10

  southern prairie aster · Asteraceae 4 counties
• 
  Eurytaenia texana Torr. & A. Gray Native EUTE5

  Texas spreadwing · Apiaceae 17 counties
• 
  Eustoma exaltatum (L.) Salisb. ex G. Don Native EUEX5

  catchfly prairie gentian · Gentianaceae 25 counties
• 
  Eustoma exaltatum (L.) Salisb. ex G. Don ssp. russellianum (Hook.) Kartesz Native EUEXR

  showy prairie gentian · Gentianaceae 25 counties
• 
  Euthamia gymnospermoides Greene Native EUGY

  Texas goldentop · Asteraceae 19 counties
• 
  Eutrochium purpureum (L.) E.E. Lamont Native EUPU21

  sweetscented joe pye weed · Asteraceae 7 counties
• 
  Eutrochium purpureum (L.) E.E. Lamont var. purpureum Native EUPUP4

  sweetscented joe pye weed · Asteraceae 6 counties
• ⚘
  Evax prolifera Nutt. ex DC. Native EVPR

  bighead pygmycudweed · Asteraceae 24 counties
• ⚘
  Evax verna Raf. Native EVVE

  spring pygmycudweed · Asteraceae 4 counties
• ⚘
  Evax verna Raf. var. verna Native EVVEV

  spring pygmycudweed · Asteraceae 4 counties
• 
  Evolvulus nuttallianus Schult. Native EVNU

  shaggy dwarf morning-glory · Convolvulaceae 31 counties
• 
  Fagus grandifolia Ehrh. Native FAGR

  American beech · Fagaceae 2 counties
• 
  Falcaria vulgaris Bernh. Introduced FAVU

  sickleweed · Apiaceae 1 county
• 
  Fallugia paradoxa (D. Don) Endl. ex Torr. Native FAPA

  Apache plume · Rosaceae 1 county
• 
  Fatoua villosa (Thunb.) Nakai Introduced FAVI

  hairy crabweed · Moraceae 13 counties
• 
  Festuca paradoxa Desv. Native FEPA2

  clustered fescue · Poaceae 5 counties
• 
  Festuca subverticillata (Pers.) Alexeev Native FESU3

  nodding fescue · Poaceae 12 counties