Crepis atribarba

Crepis atribarba is a North American species of flowering plant in the family Asteraceae known by the common names slender hawksbeard[4] and dark hawksbeard. It is native to western Canada and the western United States It has been found in British Columbia, Utah, Washington, Oregon, Nevada, Idaho, Alberta, Montana, Wyoming, Colorado, Saskatchewan, and Nebraska.[5]

Crepis atribarba

Secure  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Crepis
Species:
C. atribarba
Binomial name
Crepis atribarba
A.Heller
Synonyms[1][2]
  • Crepis atrabarba A.Heller[3]
  • Crepis exilis Osterh.
  • Psilochenia atribarba W.A.Weber

Crepis atribarba grows in many types of mountain and plateau habitat. It is a perennial herb up to 70 cm (28 inches) tall, with a slender taproot and 1 or 2 slender stems. One plant can produce as many as 30 small flower heads, each with 6–35 yellow ray florets but no disc florets.[6][7]

References
  1. The Plant List, Crepis atribarba A.Heller
  2. Tropicos, Crepis atribarba A. Heller
  3. Heller, Amos Arthur 1899. Bulletin of the Torrey Botanical Club 26(10): 551
  4. USDA, NRCS (n.d.). "Crepis atribarba". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 21 June 2015.
  5. Biota of North America Program 2014 county distribution map
  6. Flora of North America, Slender or dark hawksbeard, Crepis atribarba A. Heller
  7. Heller, Amos Arthur 1899. Bulletin of the Torrey Botanical Club 26(6): 314–315 as Crepis atrabarba


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