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 51–100 of 4,111.

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  Agastache pallidiflora (A. Heller) Rydb. ssp. pallidiflora Native AGPAP2

  Bill Williams Mountain giant hyssop · Lamiaceae 6 counties
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  Agastache pallidiflora (A. Heller) Rydb. ssp. pallidiflora var. greenei (Briq.) R.W. Sanders Native AGPAG4

  Bill Williams Mountain giant hyssop · Lamiaceae 6 counties
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  Agastache urticifolia (Benth.) Kuntze Native AGUR

  nettleleaf giant hyssop · Lamiaceae 9 counties
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  Agastache urticifolia (Benth.) Kuntze var. urticifolia Native AGURU

  nettleleaf giant hyssop · Lamiaceae 9 counties
• 
  Ageratina herbacea (A. Gray) R.M. King & H. Rob. Native AGHE5

  fragrant snakeroot · Asteraceae 9 counties
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  Agoseris aurantiaca (Hook.) Greene Native AGAU2

  orange agoseris · Asteraceae 31 counties
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  Agoseris aurantiaca (Hook.) Greene var. aurantiaca Native AGAUA

  orange agoseris · Asteraceae 1 county
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  Agoseris glauca (Pursh) Raf. Native AGGL

  pale agoseris · Asteraceae 40 counties
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  Agoseris glauca (Pursh) Raf. var. laciniata (D.C. Eaton) Smiley Native AGGLL

  false agoseris · Asteraceae 1 county
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  Agoseris heterophylla (Nutt.) Greene Native AGHE2

  annual agoseris · Asteraceae 1 county
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  Agoseris heterophylla (Nutt.) Greene var. heterophylla Native AGHEH

  annual agoseris · Asteraceae 1 county
• 
  Agrimonia striata Michx. Native AGST

  roadside agrimony · Rosaceae 10 counties
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  Agropyron cristatum (L.) Gaertn. Introduced AGCR

  crested wheatgrass · Poaceae 32 counties
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  Agropyron cristatum (L.) Gaertn. ssp. cristatum Introduced AGCRC

  crested wheatgrass · Poaceae 2 counties
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  Agropyron cristatum (L.) Gaertn. ssp. pectinatum (M. Bieb.) Tzvelev Introduced AGCRP8

  crested wheatgrass · Poaceae 31 counties
• 
  Agropyron desertorum (Fisch. ex Link) Schult. Introduced AGDE2

  desert wheatgrass · Poaceae 17 counties
• 
  Agropyron fragile (Roth) P. Candargy Introduced AGFR

  Siberian wheatgrass · Poaceae 8 counties
• ⚘
  Agrostemma brachyloba (Fenzl) Hammer Introduced AGBR4

  narrow corncockle · Caryophyllaceae 1 county
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  Agrostis exarata Trin. Native AGEX

  spike bentgrass · Poaceae 14 counties
• 
  Agrostis gigantea Roth Introduced AGGI2

  redtop · Poaceae 34 counties
• 
  Agrostis humilis Vasey Native AGHU

  alpine bentgrass · Poaceae 12 counties
• 
  Agrostis idahoensis Nash Native AGID

  Idaho bentgrass · Poaceae 7 counties
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  Agrostis mertensii Trin. Native AGME3

  northern bentgrass · Poaceae 8 counties
• 
  Agrostis scabra Willd. Native AGSC5

  rough bentgrass · Poaceae 39 counties
• 
  Agrostis stolonifera L. Introduced AGST2

  creeping bentgrass · Poaceae 17 counties
• 
  Agrostis variabilis Rydb. Native AGVA

  mountain bentgrass · Poaceae 10 counties
• 
  Ailanthus altissima (Mill.) Swingle Introduced AIAL

  tree of heaven · Simaroubaceae 4 counties
• 
  Aletes acaulis (Torr.) J.M. Coult. & Rose Native ALAC2

  stemless Indian parsley · Apiaceae 3 counties
• 
  Aletes anisatus (A. Gray) W.L. Theobald & C.C. Tseng Native ALAN3

  Rocky Mountain Indian parsley · Apiaceae 12 counties
• 
  Aletes humilis J.M. Coult. & Rose Native ALHU

  Colorado aletes · Apiaceae 2 counties
• 
  Aletes macdougalii J.M. Coult. & Rose Native ALMA3

  MacDougal's Indian parsley · Apiaceae 2 counties
• 
  Aletes macdougalii J.M. Coult. & Rose ssp. breviradiatus W.L. Theobald & C.C. Tseng Native ALMAB

  MacDougal's Indian parsley · Apiaceae 2 counties
• 
  Aletes sessiliflorus W.L. Theobald & C.C. Tseng Native ALSE5

  sessileflower Indian parsley · Apiaceae 2 counties
• 
  Alhagi maurorum Medik. Introduced ALMA12

  camelthorn · Fabaceae 1 county
• 
  Aliciella formosa (Greene ex Brand) J.M. Porter Native ALFO3

  Aztec gilia · Polemoniaceae 1 county
• 
  Aliciella haydenii (A. Gray) J.M. Porter Native ALHA6

  San Juan gilia · Polemoniaceae 6 counties
• 
  Aliciella leptomeria (A. Gray) J.M. Porter Native ALLE7

  sand gilia · Polemoniaceae 1 county
• 
  Aliciella penstemonoides (M.E. Jones) J.M. Porter Native ALPE11

  Black Canyon gilia · Polemoniaceae 2 counties
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  Aliciella pinnatifida (Nutt. ex A. Gray) J.M. Porter Native ALPI2

  sticky gilia · Polemoniaceae 22 counties
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  Aliciella sedifolia (Brandegee) J.M. Porter Native ALSE11

  stonecrop gilia · Polemoniaceae 1 county
• 
  Aliciella stenothyrsa (A. Gray) J.M. Porter Native ALST12

  Uinta Basin gilia · Polemoniaceae 1 county
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  Aliciella subnuda (Torr. ex A. Gray) J.M. Porter Native ALSU9

  coral gilia · Polemoniaceae 3 counties
• 
  Aliciella triodon (Eastw.) Brand Native ALTR14

  coyote gilia · Polemoniaceae 2 counties
• 
  Alisma gramineum Lej. Native ALGR

  narrowleaf water plantain · Alismataceae 8 counties
• 
  Alisma triviale Pursh Native ALTR7

  northern water plantain · Alismataceae 13 counties
• 
  Alliaria petiolata (M. Bieb.) Cavara & Grande Introduced ALPE4

  garlic mustard · Brassicaceae 2 counties
• 
  Allionia choisyi Standl. Native ALCH

  annual windmills · Nyctaginaceae 1 county
• 
  Allionia incarnata L. Native ALIN

  trailing windmills · Nyctaginaceae 4 counties
• 
  Allionia incarnata L. var. incarnata Native ALINI

  trailing windmills · Nyctaginaceae 4 counties
• 
  Allium acuminatum Hook. Native ALAC4

  tapertip onion · Liliaceae 14 counties