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 1,851–1,900 of 4,111.

• 
  Glechoma hederacea L. Introduced GLHE2

  ground ivy · Lamiaceae 2 counties
• 
  Gleditsia triacanthos L. Native GLTR

  honeylocust · Fabaceae 4 counties
• 
  Glossopetalon spinescens A. Gray Native GLSP

  spiny greasebush · Crossosomataceae 6 counties
• 
  Glossopetalon spinescens A. Gray var. meionandrum (Koehne) Trel. Native GLSPM

  spiny greasebush · Crossosomataceae 5 counties
• 
  Glossopetalon spinescens A. Gray var. planitierum (Ensign) Yatsk. Native GLSPP2

  plains greasebush · Crossosomataceae 1 county
• 
  Glyceria borealis (Nash) Batchelder Native GLBO

  small floating mannagrass · Poaceae 8 counties
• 
  Glyceria grandis S. Watson Native GLGR

  American mannagrass · Poaceae 20 counties
• 
  Glyceria grandis S. Watson var. grandis Native GLGRG

  American mannagrass · Poaceae 20 counties
• 
  Glyceria striata (Lam.) Hitchc. Native GLST

  fowl mannagrass · Poaceae 33 counties
• 
  Glycyrrhiza lepidota Pursh Native GLLE3

  American licorice · Fabaceae 36 counties
• 
  Gnaphalium exilifolium A. Nelson Native GNEX

  slender cudweed · Asteraceae 1 county
• 
  Gnaphalium palustre Nutt. Native GNPA

  western marsh cudweed · Asteraceae 7 counties
• 
  Gnaphalium uliginosum L. Introduced GNUL

  marsh cudweed · Asteraceae 21 counties
• 
  Goodyera oblongifolia Raf. Native GOOB2

  western rattlesnake plantain · Orchidaceae 18 counties
• 
  Goodyera repens (L.) R. Br. Native GORE2

  lesser rattlesnake plantain · Orchidaceae 10 counties
• 
  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
• 
  Gypsophila elegans M. Bieb. Introduced GYEL

  showy baby's-breath · Caryophyllaceae 3 counties
• 
  Gypsophila paniculata L. Introduced GYPA

  baby's breath · Caryophyllaceae 6 counties
• 
  Gypsophila scorzonerifolia Ser. Introduced GYSC

  garden baby's-breath · Caryophyllaceae 1 county
• 
  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