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 1–34 of 34 (both).

• 
  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae 41 counties
• 
  Allium schoenoprasum L. Both ALSC

  wild chives · Liliaceae 1 county
• 
  Ambrosia artemisiifolia L. Both AMAR2

  annual ragweed · Asteraceae 12 counties
• 
  Artemisia biennis Willd. Both ARBI2

  biennial wormwood · Asteraceae 18 counties
• 
  Artemisia ludoviciana Nutt. Both ARLU

  white sagebrush · Asteraceae 53 counties
• 
  Bothriochloa laguroides (DC.) Herter Both BOLA2

  silver beardgrass · Poaceae 13 counties
• 
  Bromus inermis Leyss. Both BRIN2

  smooth brome · Poaceae 39 counties
• 
  Calystegia sepium (L.) R. Br. Both CASE13

  hedge false bindweed · Convolvulaceae 14 counties
• 
  Cerastium arvense L. Both CEAR4

  field chickweed · Caryophyllaceae 35 counties
• 
  Chenopodium album L. Both CHAL7

  lambsquarters · Chenopodiaceae 11 counties
• 
  Cucurbita pepo L. Both CUPE

  field pumpkin · Cucurbitaceae 1 county
• 
  Cyperus esculentus L. Both CYES

  yellow nutsedge · Cyperaceae 2 counties
• 
  Dysphania ambrosioides (L.) Mosyakin & Clemants Both DYAM

  Mexican tea · Chenopodiaceae 1 county
• 
  Dysphania graveolens (Willd.) Mosyakin & Clemants Both DYGR

  fetid goosefoot · Chenopodiaceae 5 counties
• 
  Euphorbia dentata Michx. Both EUDE4

  toothed spurge · Euphorbiaceae 19 counties
• 
  Festuca rubra L. Both FERU2

  red fescue · Poaceae 16 counties
• 
  Humulus lupulus L. Both HULU

  common hop · Cannabaceae 25 counties
• 
  Juncus arcticus Willd. Both JUAR2

  arctic rush · Juncaceae 46 counties
• 
  Lepidium densiflorum Schrad. Both LEDE

  common pepperweed · Brassicaceae 40 counties
• 
  Oenothera cinerea (Wooton & Standl.) W.L. Wagner & Hoch Both OECI

  high-plains beeblossom · Onagraceae 1 county
• 
  Oenothera cinerea (Wooton & Standl.) W.L. Wagner & Hoch ssp. cinerea Both OECIC

  high-plains beeblossom · Onagraceae 1 county
• 
  Phragmites australis (Cav.) Trin. ex Steud. Both PHAU7

  common reed · Poaceae 19 counties
• 
  Poa nemoralis L. Both PONE

  wood bluegrass · Poaceae 30 counties
• 
  Poa pratensis L. Both POPR

  Kentucky bluegrass · Poaceae 43 counties
• 
  Polygonum scandens L. Both POSC3

  climbing false buckwheat · Polygonaceae 1 county
• 
  Portulaca oleracea L. Both POOL

  little hogweed · Portulacaceae 17 counties
• 
  Puccinellia distans (Jacq.) Parl. Both PUDI

  weeping alkaligrass · Poaceae 6 counties
• 
  Rubus idaeus L. Both RUID

  American red raspberry · Rosaceae 28 counties
• 
  Sambucus nigra L. Both SANI4

  black elderberry · Caprifoliaceae 9 counties
• 
  Streptopus amplexifolius (L.) DC. Both STAM2

  claspleaf twistedstalk · Liliaceae 26 counties
• 
  Taraxacum officinale F.H. Wigg. Both TAOF

  common dandelion · Asteraceae 39 counties
• 
  Typha angustifolia L. Both TYAN

  narrowleaf cattail · Typhaceae 20 counties
• 
  Urtica dioica L. Both URDI

  stinging nettle · Urticaceae 30 counties
• 
  Veronica serpyllifolia L. Both VESE

  thymeleaf speedwell · Scrophulariaceae 27 counties