Subspecies

Frangula purshiana purshiana

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

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.

— Wikipedia

Sightings

Where in Humboldt


Discussion

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