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 951–1,000 of 2,768.

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  Eleocharis montevidensis Kunth Native ELMO2

  sand spikerush · Cyperaceae 21 counties
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  Eleocharis obtusa (Willd.) Schult. Native ELOB2

  blunt spikerush · Cyperaceae 1 county
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  Eleocharis palustris (L.) Roem. & Schult. Native ELPA3

  common spikerush · Cyperaceae 3 counties
• 
  Eleocharis palustris (L.) Roem. & Schult. var. palustris Native ELPAP

  common spikerush · Cyperaceae 3 counties
• 
  Eleocharis parvula (Roem. & Schult.) Link ex Bluff, Nees & Schauer Native ELPA5

  dwarf spikerush · Cyperaceae 6 counties
• 
  Eleocharis quadrangulata (Michx.) Roem. & Schult. Native ELQU

  squarestem spikerush · Cyperaceae 4 counties
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  Eleocharis rostellata (Torr.) Torr. Native ELRO2

  beaked spikerush · Cyperaceae 7 counties
• 
  Eleocharis tenuis (Willd.) Schult. Native ELTE

  slender spikerush · Cyperaceae 7 counties
• 
  Eleocharis tenuis (Willd.) Schult. var. verrucosa (Svens.) Svens. Native ELTEV

  slender spikerush · Cyperaceae 7 counties
• 
  Elephantopus carolinianus Raeusch. Native ELCA3

  Carolina elephantsfoot · Asteraceae 26 counties
• 
  Eleusine indica (L.) Gaertn. Introduced ELIN3

  Indian goosegrass · Poaceae 22 counties
• 
  Ellisia nyctelea (L.) L. Native ELNY

  Aunt Lucy · Hydrophyllaceae 19 counties
• 
  Elodea canadensis Michx. Native ELCA7

  Canadian waterweed · Hydrocharitaceae 1 county
• 
  Elodea nuttallii (Planch.) H. St. John Native ELNU2

  western waterweed · Hydrocharitaceae 1 county
• 
  Elymus canadensis L. Native ELCA4

  Canada wildrye · Poaceae 50 counties
• 
  Elymus churchii J.J.N. Campb. Native ELCH5

  Church's wildrye · Poaceae 1 county
• 
  Elymus elymoides (Raf.) Swezey Native ELEL5

  squirreltail · Poaceae 8 counties
• 
  Elymus elymoides (Raf.) Swezey ssp. brevifolius (J.G. Sm.) Barkworth Native ELELB2

  squirreltail · Poaceae 8 counties
• 
  Elymus glabriflorus (Vasey ex L.H. Dewey) Scribn. & C.R. Ball Native ELGL3

  southeastern wildrye · Poaceae 25 counties
• 
  Elymus glaucus Buckley Native ELGL

  blue wildrye · Poaceae 1 county
• 
  Elymus glaucus Buckley ssp. mackenzii (Bush) J.J.N. Campb. Native ELGLM

  Mackenzie's blue wildrye · Poaceae 1 county
• 
  Elymus hystrix L. Native ELHY

  eastern bottlebrush grass · Poaceae 4 counties
• 
  Elymus hystrix L. var. hystrix Native ELHYH

  eastern bottlebrush grass · Poaceae 4 counties
• 
  Elymus macgregorii R. Brooks & J.J.N. Campb. Native ELMA

  early wildrye · Poaceae 5 counties
• 
  Elymus repens (L.) Gould Introduced ELRE4

  quackgrass · Poaceae 3 counties
• 
  Elymus riparius Wiegand Native ELRI

  riverbank wildrye · Poaceae 1 county
• 
  Elymus villosus Muhl. ex Willd. Native ELVI

  hairy wildrye · Poaceae 6 counties
• 
  Elymus virginicus L. Native ELVI3

  Virginia wildrye · Poaceae 44 counties
• 
  Elymus virginicus L. var. virginicus Native ELVIV

  Virginia wildrye · Poaceae 44 counties
• 
  Enemion biternatum Raf. Native ENBI

  eastern false rue anemone · Ranunculaceae 9 counties
• 
  Engelmannia peristenia (Raf.) Goodman & C.A. Lawson Native ENPE4

  Engelmann's daisy · Asteraceae 32 counties
• 
  Enneapogon desvauxii Desv. ex P. Beauv. Native ENDE

  nineawn pappusgrass · Poaceae 1 county
• 
  Ephedra antisyphilitica Berl. ex C.A. Mey. Native EPAN

  clapweed · Ephedraceae 5 counties
• 
  Epilobium ciliatum Raf. Native EPCI

  fringed willowherb · Onagraceae 1 county
• 
  Epilobium ciliatum Raf. ssp. ciliatum Native EPCIC

  fringed willowherb · Onagraceae 1 county
• 
  Epilobium coloratum Biehler Native EPCO

  purpleleaf willowherb · Onagraceae 2 counties
• 
  Epilobium leptophyllum Raf. Native EPLE2

  bog willowherb · Onagraceae 1 county
• 
  Epipactis gigantea Douglas ex Hook. Native EPGI

  stream orchid · Orchidaceae 3 counties
• 
  Equisetum arvense L. Native EQAR

  field horsetail · Equisetaceae 2 counties
• 
  Equisetum hyemale L. Native EQHY

  scouringrush horsetail · Equisetaceae 18 counties
• 
  Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton Native EQHYA

  scouringrush horsetail · Equisetaceae 18 counties
• 
  Equisetum laevigatum A. Braun Native EQLA

  smooth horsetail · Equisetaceae 21 counties
• ⚘
  Equisetum ×ferrissii Clute (pro sp.) [hyemale × laevigatum] Native EQFE

  Equisetaceae 7 counties
• 
  Eragrostis barrelieri Daveau Introduced ERBA2

  Mediterranean lovegrass · Poaceae 15 counties
• 
  Eragrostis capillaris (L.) Nees Native ERCA

  lace grass · Poaceae 21 counties
• 
  Eragrostis cilianensis (All.) Vign. ex Janchen Introduced ERCI

  stinkgrass · Poaceae 37 counties
• 
  Eragrostis curtipedicellata Buckley Native ERCU

  gummy lovegrass · Poaceae 21 counties
• 
  Eragrostis curvula (Schrad.) Nees Introduced ERCU2

  weeping lovegrass · Poaceae 8 counties
• 
  Eragrostis frankii C.A. Mey. ex Steud. Native ERFR

  sandbar lovegrass · Poaceae 4 counties
• 
  Eragrostis hirsuta (Michx.) Nees Native ERHI

  bigtop lovegrass · Poaceae 4 counties