Subspecies

Frangula purshiana purshiana

Frangula purshiana purshiana. Photo: (c) brookehenry, some rights reserved (CC BY-NC)

iNaturalist • Wikipedia

Rhamnus purshiana (cascara buckthorn, cascara, bearberry, and in the Chinook Jargon, chittem and chitticum; syn. Frangula purshiana, Rhamnus purshianus) is a species of buckthorn native to western North America from southern British Columbia south to central California, and eastward to northwestern Montana.

Humboldt Life
- Kingdom: Plantae (Plants)
  - Phylum: Tracheophyta (Vascular plants)
    - Subphylum: Angiospermae (Flowering plants)
      - Class: Magnoliopsida (Dicots)
        Order: Rosales (Roses, elms, figs, and allies)
        Family: Rhamnaceae (Buckthorn family)
        Tribe: Rhamneae
        Genus: Frangula (False-buckthorns)
        Species: Frangula purshiana (Cascara)
        Subspecies: Frangula purshiana purshiana

Sightings

Where in Humboldt

Discussion

PLEASE SHARE YOUR THOUGHTS ABOUT FRANGULA PURSHIANA PURSHIANA, A MEMBER OF THE BUCKTHORN FAMILY