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 3,551–3,600 of 4,111.

• 
  Sedum acre L. Introduced SEAC

  goldmoss stonecrop · Crassulaceae 1 county
• 
  Sedum lanceolatum Torr. Native SELA

  spearleaf stonecrop · Crassulaceae 35 counties
• 
  Sedum lanceolatum Torr. ssp. lanceolatum Native SELAL

  spearleaf stonecrop · Crassulaceae 34 counties
• 
  Selaginella densa Rydb. Native SEDE2

  lesser spikemoss · Selaginellaceae 30 counties
• 
  Selaginella mutica D.C. Eaton ex Underw. Native SEMU

  bluntleaf spikemoss · Selaginellaceae 11 counties
• 
  Selaginella mutica D.C. Eaton ex Underw. var. mutica Native SEMUM

  bluntleaf spikemoss · Selaginellaceae 11 counties
• 
  Selaginella underwoodii Hieron. Native SEUN

  Underwood's spikemoss · Selaginellaceae 13 counties
• 
  Selaginella weatherbiana R. Tryon Native SEWE3

  Weatherby's spikemoss · Selaginellaceae 10 counties
• 
  Senecio amplectens A. Gray Native SEAM

  showy alpine ragwort · Asteraceae 28 counties
• 
  Senecio amplectens A. Gray var. amplectens Native SEAMA

  showy alpine ragwort · Asteraceae 20 counties
• 
  Senecio amplectens A. Gray var. holmii (Greene) Harrington Native SEAMH

  Holm's ragwort · Asteraceae 23 counties
• 
  Senecio atratus Greene Native SEAT

  tall blacktip ragwort · Asteraceae 22 counties
• 
  Senecio bigelovii A. Gray Native SEBI2

  nodding ragwort · Asteraceae 28 counties
• 
  Senecio bigelovii A. Gray var. hallii Native SEBIH

  Hall's ragwort · Asteraceae 28 counties
• 
  Senecio crassulus A. Gray Native SECR

  thickleaf ragwort · Asteraceae 25 counties
• 
  Senecio eremophilus Richardson Native SEER2

  desert ragwort · Asteraceae 34 counties
• 
  Senecio eremophilus Richardson var. kingii (Rydb.) Greenm. Native SEERK

  King's ragwort · Asteraceae 34 counties
• 
  Senecio eremophilus Richardson var. macdougalii (A. Heller) Cronquist Native SEERM

  MacDougal's ragwort · Asteraceae 1 county
• 
  Senecio flaccidus Less. Native SEFL3

  threadleaf ragwort · Asteraceae 13 counties
• 
  Senecio flaccidus Less. var. douglasii (DC.) B.L. Turner & T.M. Barkley Native SEFLD

  Douglas' ragwort · Asteraceae 3 counties
• 
  Senecio flaccidus Less. var. flaccidus Native SEFLF

  threadleaf ragwort · Asteraceae 13 counties
• 
  Senecio fremontii Torr. & A. Gray Native SEFR3

  dwarf mountain ragwort · Asteraceae 25 counties
• 
  Senecio fremontii Torr. & A. Gray var. blitoides (Greene) Cronquist Native SEFRB

  dwarf mountain ragwort · Asteraceae 24 counties
• 
  Senecio fremontii Torr. & A. Gray var. inexpectatus Cronquist Native SEFRI

  dwarf mountain ragwort · Asteraceae 1 county
• 
  Senecio hydrophilus Nutt. Native SEHY2

  water ragwort · Asteraceae 6 counties
• 
  Senecio integerrimus Nutt. Native SEIN2

  lambstongue ragwort · Asteraceae 25 counties
• 
  Senecio pudicus Greene Native SEPU3

  bashful ragwort · Asteraceae 17 counties
• 
  Senecio rapifolius Nutt. Native SERA

  openwoods ragwort · Asteraceae 3 counties
• 
  Senecio riddellii Torr. & A. Gray Native SERI2

  Riddell's ragwort · Asteraceae 20 counties
• 
  Senecio serra Hook. Native SESE2

  tall ragwort · Asteraceae 16 counties
• 
  Senecio serra Hook. var. admirabilis (Greene) A. Nelson Native SESEA

  tall ragwort · Asteraceae 16 counties
• 
  Senecio soldanella A. Gray Native SESO

  Colorado ragwort · Asteraceae 12 counties
• 
  Senecio spartioides Torr. & A. Gray Native SESP3

  broom-like ragwort · Asteraceae 31 counties
• 
  Senecio spartioides Torr. & A. Gray var. multicapitatus (Greenm. ex Rydb.) S.L. Welsh Native SESPM

  broom-like ragwort · Asteraceae 11 counties
• 
  Senecio spartioides Torr. & A. Gray var. spartioides Native SESPS2

  broom-like ragwort · Asteraceae 1 county
• 
  Senecio taraxacoides (A. Gray) Greene Native SETA

  dandelion ragwort · Asteraceae 14 counties
• 
  Senecio triangularis Hook. Native SETR

  arrowleaf ragwort · Asteraceae 25 counties
• 
  Senecio vulgaris L. Introduced SEVU

  old-man-in-the-Spring · Asteraceae 6 counties
• 
  Senecio wootonii Greene Native SEWO

  Wooton's ragwort · Asteraceae 22 counties
• 
  Sesuvium verrucosum Raf. Native SEVE2

  verrucose seapurslane · Aizoaceae 4 counties
• 
  Setaria italica (L.) P. Beauv. Introduced SEIT

  foxtail millet · Poaceae 8 counties
• 
  Setaria leucopila (Scribn. & Merr.) K. Schum. Native SELE6

  streambed bristlegrass · Poaceae 3 counties
• 
  Setaria pumila (Poir.) Roem. & Schult. Introduced SEPU8

  yellow foxtail · Poaceae 4 counties
• 
  Setaria verticillata (L.) P. Beauv. Introduced SEVE3

  hooked bristlegrass · Poaceae 3 counties
• 
  Setaria viridis (L.) P. Beauv. Introduced SEVI4

  green bristlegrass · Poaceae 26 counties
• 
  Setaria viridis (L.) P. Beauv. var. viridis Introduced SEVIV

  green bristlegrass · Poaceae 26 counties
• 
  Shepherdia argentea (Pursh) Nutt. Native SHAR

  silver buffaloberry · Elaeagnaceae 15 counties
• 
  Shepherdia canadensis (L.) Nutt. Native SHCA

  russet buffaloberry · Elaeagnaceae 24 counties
• 
  Shinnersoseris rostrata (A. Gray) S. Tomb Native SHRO2

  beaked skeletonweed · Asteraceae 12 counties
• 
  Sibbaldia procumbens L. Native SIPR

  creeping sibbaldia · Rosaceae 27 counties