Colorado

• Adams 08001
  205 taxa Open ↗
• Alamosa 08003
  652 taxa Open ↗
• Arapahoe 08005
  254 taxa Open ↗
• Archuleta 08007
  651 taxa Open ↗
• Baca 08009
  785 taxa Open ↗
• Bent 08011
  267 taxa Open ↗
• Boulder 08013
  1,961 taxa Open ↗
• Broomfield 08014
  0 taxa Open ↗
• Chaffee 08015
  607 taxa Open ↗
• Cheyenne 08017
  694 taxa Open ↗

Showing 1,251–1,300 of 3,643 (native).

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  Eleocharis acicularis (L.) Roem. & Schult. Native ELAC

  needle spikerush · Cyperaceae 16 counties
• 
  Eleocharis atropurpurea (Retz.) J. Presl & C. Presl Native ELAT

  purple spikerush · Cyperaceae 1 county
• 
  Eleocharis bella (Piper) Svens. Native ELBE

  beautiful spikerush · Cyperaceae 1 county
• 
  Eleocharis bolanderi A. Gray Native ELBO

  Bolander's spikerush · Cyperaceae 4 counties
• 
  Eleocharis compressa Sull. Native ELCO2

  flatstem spikerush · Cyperaceae 7 counties
• 
  Eleocharis compressa Sull. var. compressa Native ELCOC2

  flatstem spikerush · Cyperaceae 6 counties
• 
  Eleocharis erythropoda Steud. Native ELER

  bald spikerush · Cyperaceae 1 county
• 
  Eleocharis macrostachya Britton Native ELMA5

  pale spikerush · Cyperaceae 8 counties
• 
  Eleocharis montevidensis Kunth Native ELMO2

  sand spikerush · Cyperaceae 1 county
• 
  Eleocharis obtusa (Willd.) Schult. Native ELOB2

  blunt spikerush · Cyperaceae 2 counties
• 
  Eleocharis palustris (L.) Roem. & Schult. Native ELPA3

  common spikerush · Cyperaceae 41 counties
• 
  Eleocharis palustris (L.) Roem. & Schult. var. palustris Native ELPAP

  common spikerush · Cyperaceae 41 counties
• 
  Eleocharis parishii Britton Native ELPA4

  Parish's spikerush · Cyperaceae 1 county
• 
  Eleocharis parvula (Roem. & Schult.) Link ex Bluff, Nees & Schauer Native ELPA5

  dwarf spikerush · Cyperaceae 5 counties
• 
  Eleocharis quinqueflora (Hartmann) O. Schwarz Native ELQU2

  fewflower spikerush · Cyperaceae 15 counties
• 
  Eleocharis rostellata (Torr.) Torr. Native ELRO2

  beaked spikerush · Cyperaceae 5 counties
• 
  Eleocharis wolfii (A. Gray) A. Gray ex Britton Native ELWO

  Wolf's spikerush · Cyperaceae 1 county
• 
  Ellisia nyctelea (L.) L. Native ELNY

  Aunt Lucy · Hydrophyllaceae 17 counties
• 
  Elodea bifoliata H. St. John Native ELBI2

  twoleaf waterweed · Hydrocharitaceae 2 counties
• 
  Elodea canadensis Michx. Native ELCA7

  Canadian waterweed · Hydrocharitaceae 4 counties
• 
  Elodea nuttallii (Planch.) H. St. John Native ELNU2

  western waterweed · Hydrocharitaceae 3 counties
• 
  Elymus albicans (Scribn. & J.G. Sm.) Á. Löve Native ELAL7

  Montana wheatgrass · Poaceae 1 county
• 
  Elymus canadensis L. Native ELCA4

  Canada wildrye · Poaceae 32 counties
• 
  Elymus elymoides (Raf.) Swezey Native ELEL5

  squirreltail · Poaceae 57 counties
• 
  Elymus elymoides (Raf.) Swezey ssp. brevifolius (J.G. Sm.) Barkworth Native ELELB2

  squirreltail · Poaceae 56 counties
• 
  Elymus glaucus Buckley Native ELGL

  blue wildrye · Poaceae 23 counties
• 
  Elymus glaucus Buckley ssp. glaucus Native ELGLG

  blue wildrye · Poaceae 23 counties
• 
  Elymus lanceolatus (Scribn. & J.G. Sm.) Gould Native ELLA3

  thickspike wheatgrass · Poaceae 25 counties
• 
  Elymus lanceolatus (Scribn. & J.G. Sm.) Gould ssp. lanceolatus Native ELLAL

  thickspike wheatgrass · Poaceae 23 counties
• 
  Elymus multisetus M.E. Jones Native ELMU3

  big squirreltail · Poaceae 1 county
• 
  Elymus scribneri (Vasey) M.E. Jones Native ELSC4

  spreading wheatgrass · Poaceae 22 counties
• ⚘
  Elymus submuticus (Hook.) Smyth & Smyth Native ELSU

  Virginia wildrye · Poaceae 2 counties
• 
  Elymus trachycaulus (Link) Gould ex Shinners Native ELTR7

  slender wheatgrass · Poaceae 42 counties
• 
  Elymus trachycaulus (Link) Gould ex Shinners ssp. subsecundus (Link) Á. Löve & D. Löve Native ELTRS

  slender wheatgrass · Poaceae 1 county
• 
  Elymus trachycaulus (Link) Gould ex Shinners ssp. trachycaulus Native ELTRT

  slender wheatgrass · Poaceae 35 counties
• 
  Elymus virginicus L. Native ELVI3

  Virginia wildrye · Poaceae 2 counties
• 
  Elymus virginicus L. var. virginicus Native ELVIV

  Virginia wildrye · Poaceae 2 counties
• ⚘
  Elymus ×saundersii Vasey (pro sp.) [elymoides × trachycaulus] Native ELSA4

  Poaceae 1 county
• 
  Encelia nutans Eastw. Native ENNU4

  nodding sunray · Asteraceae 2 counties
• 
  Enceliopsis nudicaulis (A. Gray) A. Nelson Native ENNU

  nakedstem sunray · Asteraceae 1 county
• 
  Enceliopsis nudicaulis (A. Gray) A. Nelson var. nudicaulis Native ENNUN

  nakedstem sunray · Asteraceae 1 county
• 
  Endolepis dioica (Nutt.) Standl. Native ENDI

  Suckley's endolepis · Chenopodiaceae 1 county
• 
  Engelmannia peristenia (Raf.) Goodman & C.A. Lawson Native ENPE4

  Engelmann's daisy · Asteraceae 6 counties
• 
  Ephedra cutleri Peebles Native EPCU

  Cutler's jointfir · Ephedraceae 1 county
• 
  Ephedra torreyana S. Watson Native EPTO

  Torrey's jointfir · Ephedraceae 7 counties
• 
  Ephedra torreyana S. Watson var. torreyana Native EPTOT

  Torrey's jointfir · Ephedraceae 7 counties
• 
  Ephedra viridis Coville Native EPVI

  mormon tea · Ephedraceae 8 counties
• 
  Epilobium anagallidifolium Lam. Native EPAN4

  pimpernel willowherb · Onagraceae 14 counties
• 
  Epilobium brachycarpum C. Presl Native EPBR3

  tall annual willowherb · Onagraceae 26 counties
• 
  Epilobium ciliatum Raf. Native EPCI

  fringed willowherb · Onagraceae 40 counties