title: Hazardia whitneyi
text: # Hazardia whitneyi
  
  Hazardia whitneyi, common name Whitney's bristleweed, is a North American species of shrub in the daisy family. It has been found only in the states of Oregon and California in the western United States.
  
  Hazardia whitneyi is a perennial herb or subshrub up to 50 cm (20 in) tall. The plant produces numerous flower heads in a dense, elongated array at the top of the plant. Each head contains 8-10 disc flowers but no ray flowers. The species sometimes grows on serpentine soils.
  
  ## Varieties
  
  * Hazardia whitneyi var. discoidea (J.T.Howell) W.D.Clark - no ray flowers - California, Oregon in Klamath Mountains, southern Cascades, and north Coast Ranges
  * Hazardia whitneyi var. whitneyi - 5-18 ray flowers per head - California, primarily in Sierra Nevada
  