Calflora, a 501c3 non-profit
Distribution by County   10905    
Frangula purshiana  (DC.) A. Gray ex J.G. Cooper
Cascara buckthorn
Frangula purshiana is a tree or shrub that is native to California, and also found elsewhere in western North America.

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 10/03/2022).