Pitkin County

Showing 151–200 of 623 (native).

• 
  Cerastium arvense L. ssp. strictum (L.) Ugborogho Native CEARS2

  field chickweed · Caryophyllaceae
• 
  Cerastium beeringianum Cham. & Schltdl. Native CEBE2

  Bering chickweed · Caryophyllaceae
• 
  Cerastium beeringianum Cham. & Schltdl. ssp. earlei (Rydb.) Hultén Native CEBEE

  Bering chickweed · Caryophyllaceae
• 
  Chaenactis douglasii (Hook.) Hook. & Arn. Native CHDO

  Douglas' dustymaiden · Asteraceae
• 
  Chaenactis douglasii (Hook.) Hook. & Arn. var. alpina A. Gray Native CHDOA2

  alpine dustymaiden · Asteraceae
• 
  Chamerion angustifolium (L.) Holub Native CHAN9

  fireweed · Onagraceae
• 
  Chamerion angustifolium (L.) Holub ssp. circumvagum (Mosquin) Hoch Native CHANC

  fireweed · Onagraceae
• 
  Chamerion latifolium (L.) Holub Native CHLA13

  dwarf fireweed · Onagraceae
• 
  Chenopodium berlandieri Moq. Native CHBE4

  pitseed goosefoot · Chenopodiaceae
• 
  Chrysothamnus viscidiflorus (Hook.) Nutt. Native CHVI8

  yellow rabbitbrush · Asteraceae
• 
  Chrysothamnus viscidiflorus (Hook.) Nutt. ssp. lanceolatus (Nutt.) H.M. Hall & Clem. Native CHVIL4

  yellow rabbitbrush · Asteraceae
• 
  Cirsium eatonii (A. Gray) B.L. Rob. Native CIEA

  Eaton's thistle · Asteraceae
• 
  Cirsium parryi (A. Gray) Petr. Native CIPA

  Parry's thistle · Asteraceae
• 
  Cirsium parryi (A. Gray) Petr. ssp. parryi Native CIPAP2

  Parry's thistle · Asteraceae
• 
  Cirsium scopulorum (Greene) Cockerell ex Daniels Native CISC3

  mountain thistle · Asteraceae
• 
  Cirsium undulatum (Nutt.) Spreng. Native CIUN

  wavyleaf thistle · Asteraceae
• 
  Cirsium undulatum (Nutt.) Spreng. var. tracyi (Rydb.) S.L. Welsh Native CIUNT

  Tracy's thistle · Asteraceae
• 
  Claytonia lanceolata Pall. ex Pursh Native CLLA2

  lanceleaf springbeauty · Portulacaceae
• 
  Claytonia megarhiza (A. Gray) Parry ex S. Watson Native CLME

  alpine springbeauty · Portulacaceae
• 
  Claytonia megarhiza (A. Gray) Parry ex S. Watson var. megarhiza Native CLMEM

  alpine springbeauty · Portulacaceae
• 
  Clematis columbiana (Nutt.) Torr. & A. Gray Native CLCO2

  rock clematis · Ranunculaceae
• 
  Clematis columbiana (Nutt.) Torr. & A. Gray var. columbiana Native CLCOC2

  rock clematis · Ranunculaceae
• 
  Clematis ligusticifolia Nutt. Native CLLI2

  western white clematis · Ranunculaceae
• 
  Clematis ligusticifolia Nutt. var. ligusticifolia Native CLLIL2

  western white clematis · Ranunculaceae
• 
  Collomia linearis Nutt. Native COLI2

  tiny trumpet · Polemoniaceae
• 
  Conyza canadensis (L.) Cronquist Native COCA5

  Canadian horseweed · Asteraceae
• 
  Corallorhiza maculata (Raf.) Raf. Native COMA25

  summer coralroot · Orchidaceae
• 
  Corallorhiza trifida Chatelain Native COTR18

  yellow coralroot · Orchidaceae
• 
  Cornus sericea L. Native COSE16

  redosier dogwood · Cornaceae
• 
  Cornus sericea L. ssp. sericea Native COSES

  redosier dogwood · Cornaceae
• 
  Crataegus saligna Greene Native CRSA2

  willow hawthorn · Rosaceae
• 
  Crepis nana Richardson Native CRNA

  dwarf alpine hawksbeard · Asteraceae
• 
  Crepis nana Richardson ssp. nana Native CRNAN

  dwarf alpine hawksbeard · Asteraceae
• 
  Cryptantha fendleri (A. Gray) Greene Native CRFE3

  sanddune cryptantha · Boraginaceae
• 
  Cyclachaena xanthiifolia (Nutt.) Fresen. Native CYXA2

  carelessweed · Asteraceae
• 
  Cymopterus planosus (Osterh.) Mathias Native CYPL

  Rocky Mountain springparsley · Apiaceae
• 
  Cystopteris fragilis (L.) Bernh. Native CYFR2

  brittle bladderfern · Dryopteridaceae
• 
  Danthonia intermedia Vasey Native DAIN

  timber oatgrass · Poaceae
• 
  Dasiphora fruticosa (L.) Rydb. Native DAFR6

  shrubby cinquefoil · Rosaceae
• 
  Dasiphora fruticosa (L.) Rydb. ssp. floribunda (Pursh) Kartesz Native DAFRF

  shrubby cinquefoil · Rosaceae
• 
  Delphinium barbeyi (Huth) Huth Native DEBA2

  subalpine larkspur · Ranunculaceae
• 
  Delphinium ×occidentale (S. Watson) S. Watson (pro sp.) [barbeyi × glaucum] Native DEOC

  Ranunculaceae
• 
  Deschampsia cespitosa (L.) P. Beauv. Native DECE

  tufted hairgrass · Poaceae
• 
  Descurainia californica (A. Gray) O.E. Schulz Native DECA6

  Sierra tansymustard · Brassicaceae
• 
  Draba albertina Greene Native DRAL4

  slender draba · Brassicaceae
• 
  Draba aurea Vahl ex Hornem. Native DRAU

  golden draba · Brassicaceae
• 
  Draba breweri S. Watson Native DRBR2

  cushion draba · Brassicaceae
• 
  Draba breweri S. Watson var. cana (Rydb.) Rollins Native DRBRC

  cushion draba · Brassicaceae
• 
  Draba crassa Rydb. Native DRCR

  thickleaf draba · Brassicaceae
• 
  Draba crassifolia Graham Native DRCR2

  snowbed draba · Brassicaceae