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 1,651–1,700 of 3,643 (native).

• 
  Gratiola neglecta Torr. Native GRNE

  clammy hedgehyssop · Scrophulariaceae 6 counties
• 
  Grayia spinosa (Hook.) Moq. Native GRSP

  spiny hopsage · Chenopodiaceae 5 counties
• 
  Grindelia arizonica A. Gray Native GRAR2

  Arizona gumweed · Asteraceae 4 counties
• 
  Grindelia arizonica A. Gray var. arizonica Native GRARA

  Arizona gumweed · Asteraceae 1 county
• 
  Grindelia arizonica A. Gray var. stenophylla Steyerm. Native GRARS

  Arizona gumweed · Asteraceae 3 counties
• 
  Grindelia decumbens Greene Native GRDE

  reclined gumweed · Asteraceae 6 counties
• 
  Grindelia decumbens Greene var. decumbens Native GRDED

  reclined gumweed · Asteraceae 6 counties
• 
  Grindelia fastigiata Greene Native GRFA

  pointed gumweed · Asteraceae 5 counties
• 
  Grindelia inornata Greene Native GRIN2

  Colorado gumweed · Asteraceae 6 counties
• 
  Grindelia inornata Greene var. inornata Native GRINI

  Colorado gumweed · Asteraceae 3 counties
• 
  Grindelia nuda Alph. Wood Native GRNU

  curlytop gumweed · Asteraceae 9 counties
• 
  Grindelia nuda Alph. Wood var. aphanactis (Rydb.) G.L. Nesom Native GRNUA

  curlytop gumweed · Asteraceae 4 counties
• 
  Grindelia nuda Alph. Wood var. nuda Native GRNUN

  curlytop gumweed · Asteraceae 6 counties
• 
  Grindelia papposa G.L. Nesom & Suh Native GRPA8

  Spanish gold · Asteraceae 3 counties
• 
  Grindelia revoluta Steyerm. Native GRRE

  rolled gumweed · Asteraceae 1 county
• 
  Grindelia squarrosa (Pursh) Dunal Native GRSQ

  curlycup gumweed · Asteraceae 31 counties
• 
  Grindelia squarrosa (Pursh) Dunal var. quasiperennis Lunell Native GRSQQ

  curlycup gumweed · Asteraceae 5 counties
• 
  Grindelia squarrosa (Pursh) Dunal var. serrulata (Rydb.) Steyerm. Native GRSQS

  curlycup gumweed · Asteraceae 1 county
• 
  Grindelia squarrosa (Pursh) Dunal var. squarrosa Native GRSQS2

  curlycup gumweed · Asteraceae 10 counties
• 
  Grindelia subalpina Greene Native GRSU

  subalpine gumweed · Asteraceae 9 counties
• 
  Grusonia clavata (Engelm.) H. Rob. Native GRCL

  club cholla · Cactaceae 1 county
• 
  Guilleminea densa (Humb. & Bonpl. ex Schult.) Moq. Native GUDE

  small matweed · Amaranthaceae 1 county
• 
  Guilleminea densa (Humb. & Bonpl. ex Schult.) Moq. var. densa Native GUDED

  small matweed · Amaranthaceae 1 county
• 
  Gutierrezia elegans Al Schneid. & P. Lyon Native GUEL2

  Lone Mesa snakeweed · Asteraceae 1 county
• 
  Gutierrezia microcephala (DC.) A. Gray Native GUMI

  threadleaf snakeweed · Asteraceae 3 counties
• 
  Gutierrezia sarothrae (Pursh) Britton & Rusby Native GUSA2

  broom snakeweed · Asteraceae 44 counties
• 
  Gymnocarpium dryopteris (L.) Newman Native GYDR

  western oakfern · Dryopteridaceae 13 counties
• 
  Gymnosteris parvula A. Heller Native GYPA2

  smallflower gymnosteris · Polemoniaceae 5 counties
• 
  Hackelia besseyi (Rydb.) J.L. Gentry Native HABE3

  Bessey's stickseed · Boraginaceae 1 county
• 
  Hackelia floribunda (Lehm.) I.M. Johnst. Native HAFL2

  manyflower stickseed · Boraginaceae 26 counties
• ⚘
  Hackelia gracilenta (Eastw.) I.M. Johnst. Native HAGR10

  Mesa Verde stickseed · Boraginaceae 1 county
• 
  Hackelia micrantha (Eastw.) J.L. Gentry Native HAMI

  Jessica sticktight · Boraginaceae 2 counties
• 
  Halimolobos virgata (Nutt.) O.E. Schulz Native HAVI3

  rod halimolobos · Brassicaceae 1 county
• 
  Harbouria trachypleura (A. Gray) J.M. Coult. & Rose Native HATR

  whiskbroom parsley · Apiaceae 7 counties
• 
  Hedeoma drummondii Benth. Native HEDR

  Drummond's false pennyroyal · Lamiaceae 15 counties
• 
  Hedeoma hispida Pursh Native HEHI

  rough false pennyroyal · Lamiaceae 11 counties
• 
  Hedysarum boreale Nutt. Native HEBO

  Utah sweetvetch · Fabaceae 19 counties
• 
  Hedysarum boreale Nutt. ssp. boreale Native HEBOB

  Utah sweetvetch · Fabaceae 19 counties
• 
  Hedysarum boreale Nutt. ssp. boreale var. boreale Native HEBOB2

  Utah sweetvetch · Fabaceae 19 counties
• 
  Hedysarum occidentale Greene Native HEOC

  western sweetvetch · Fabaceae 11 counties
• 
  Helenium autumnale L. Native HEAU

  common sneezeweed · Asteraceae 5 counties
• 
  Helenium autumnale L. var. montanum (Nutt.) Fernald Native HEAUM

  mountain sneezeweed · Asteraceae 5 counties
• 
  Helenium microcephalum DC. Native HEMI

  smallhead sneezeweed · Asteraceae 1 county
• 
  Helenium microcephalum DC. var. microcephalum Native HEMIM

  smallhead sneezeweed · Asteraceae 1 county
• 
  Helianthella microcephala (A. Gray) A. Gray Native HEMI2

  purpledisk helianthella · Asteraceae 3 counties
• 
  Helianthella parryi A. Gray Native HEPA

  Parry's dwarf-sunflower · Asteraceae 9 counties
• 
  Helianthella quinquenervis (Hook.) A. Gray Native HEQU2

  fivenerve helianthella · Asteraceae 24 counties
• 
  Helianthella uniflora (Nutt.) Torr. & A. Gray Native HEUN

  oneflower helianthella · Asteraceae 6 counties
• 
  Helianthella uniflora (Nutt.) Torr. & A. Gray var. uniflora Native HEUNU

  oneflower helianthella · Asteraceae 6 counties
• 
  Helianthemum bicknellii Fernald Native HEBI2

  hoary frostweed · Cistaceae 4 counties