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 3,401–3,450 of 4,111.

• 
  Rumex acetosella L. Introduced RUAC3

  common sheep sorrel · Polygonaceae 20 counties
• 
  Rumex altissimus Alph. Wood Native RUAL4

  pale dock · Polygonaceae 15 counties
• 
  Rumex aquaticus L. Native RUAQ

  western dock · Polygonaceae 15 counties
• 
  Rumex aquaticus L. var. fenestratus (Greene) Dorn Native RUAQF

  western dock · Polygonaceae 15 counties
• 
  Rumex crispus L. Introduced RUCR

  curly dock · Polygonaceae 28 counties
• 
  Rumex crispus L. ssp. crispus Introduced RUCRC

  curly dock · Polygonaceae 28 counties
• 
  Rumex densiflorus Osterh. Native RUDE2

  denseflowered dock · Polygonaceae 15 counties
• 
  Rumex hymenosepalus Torr. Native RUHY

  canaigre dock · Polygonaceae 4 counties
• 
  Rumex maritimus L. Native RUMA4

  golden dock · Polygonaceae 14 counties
• 
  Rumex obtusifolius L. Introduced RUOB

  bitter dock · Polygonaceae 4 counties
• 
  Rumex patientia L. Introduced RUPA5

  patience dock · Polygonaceae 2 counties
• 
  Rumex paucifolius Nutt. Native RUPA6

  alpine sheep sorrel · Polygonaceae 4 counties
• 
  Rumex paucifolius Nutt. ssp. paucifolius Native RUPAP

  alpine sheep sorrel · Polygonaceae 4 counties
• 
  Rumex salicifolius Weinm. Native RUSA

  willow dock · Polygonaceae 33 counties
• 
  Rumex salicifolius Weinm. var. denticulatus Torr. Native RUSAD

  toothed willow dock · Polygonaceae 1 county
• 
  Rumex salicifolius Weinm. var. mexicanus (Meisn.) C.L. Hitchc. Native RUSAM

  Mexican dock · Polygonaceae 33 counties
• 
  Rumex stenophyllus Ledeb. Introduced RUST4

  narrowleaf dock · Polygonaceae 6 counties
• 
  Rumex venosus Pursh Native RUVE2

  veiny dock · Polygonaceae 21 counties
• 
  Ruppia cirrhosa (Petagna) Grande Native RUCI2

  spiral ditchgrass · Ruppiaceae 3 counties
• 
  Saccharum ravennae (L.) L. Introduced SARA3

  ravennagrass · Poaceae 1 county
• 
  Sagina saginoides (L.) Karst. Native SASA

  arctic pearlwort · Caryophyllaceae 18 counties
• 
  Sagittaria brevirostra Mack. & Bush Native SABR8

  shortbeak arrowhead · Alismataceae 2 counties
• 
  Sagittaria calycina Engelm. Native SACA21

  hooded arrowhead · Alismataceae 2 counties
• 
  Sagittaria calycina Engelm. var. calycina Native SACAC

  hooded arrowhead · Alismataceae 2 counties
• 
  Sagittaria cuneata Sheldon Native SACU

  arumleaf arrowhead · Alismataceae 23 counties
• 
  Sagittaria graminea Michx. Native SAGR

  grassy arrowhead · Alismataceae 1 county
• 
  Sagittaria graminea Michx. var. graminea Native SAGRG

  grassy arrowhead · Alismataceae 1 county
• 
  Sagittaria latifolia Willd. Native SALA2

  broadleaf arrowhead · Alismataceae 11 counties
• 
  Salicornia rubra A. Nelson Native SARU

  red swampfire · Chenopodiaceae 3 counties
• 
  Salix alba L. Introduced SAAL2

  white willow · Salicaceae 5 counties
• 
  Salix amygdaloides Andersson Native SAAM2

  peachleaf willow · Salicaceae 30 counties
• 
  Salix bebbiana Sarg. Native SABE2

  Bebb willow · Salicaceae 28 counties
• 
  Salix boothii Dorn Native SABO2

  Booth's willow · Salicaceae 8 counties
• 
  Salix brachycarpa Nutt. Native SABR

  shortfruit willow · Salicaceae 29 counties
• 
  Salix brachycarpa Nutt. var. brachycarpa Native SABRB7

  shortfruit willow · Salicaceae 29 counties
• 
  Salix calcicola Fernald & Wiegand Native SACA37

  woolly willow · Salicaceae 2 counties
• 
  Salix candida Flueggé ex Willd. Native SACA4

  sageleaf willow · Salicaceae 4 counties
• 
  Salix drummondiana Barratt ex Hook. Native SADR

  Drummond's willow · Salicaceae 25 counties
• 
  Salix eriocephala Michx. Native SAER

  Missouri River willow · Salicaceae 1 county
• 
  Salix exigua Nutt. Native SAEX

  narrowleaf willow · Salicaceae 43 counties
• ⚘
  Salix fragilis L. Introduced SAFR

  crack willow · Salicaceae 5 counties
• 
  Salix geyeriana Andersson Native SAGE2

  Geyer willow · Salicaceae 13 counties
• 
  Salix gooddingii C.R. Ball Native SAGO

  Goodding's willow · Salicaceae 2 counties
• 
  Salix interior Rowlee Native SAIN3

  sandbar willow · Salicaceae 16 counties
• 
  Salix irrorata Andersson Native SAIR

  dewystem willow · Salicaceae 10 counties
• 
  Salix laevigata Bebb Native SALA3

  red willow · Salicaceae 1 county
• 
  Salix ligulifolia (C.R. Ball) C.R. Ball ex C.K. Schneid. Native SALI

  strapleaf willow · Salicaceae 20 counties
• 
  Salix lucida Muhl. Native SALU

  shining willow · Salicaceae 30 counties
• 
  Salix lucida Muhl. ssp. caudata (Nutt.) A.E. Murray Native SALUC

  greenleaf willow · Salicaceae 29 counties
• 
  Salix lucida Muhl. ssp. lasiandra (Benth.) A.E. Murray Native SALUL

  Pacific willow · Salicaceae 4 counties