Calflora, a 501c3 non-profit
Distribution by County   7082    
Rhamnus rubra  E. Greene  ssp. rubra 

(not an active name)
Sierra coffeeberry
Rhamnus rubra ssp. rubra is a shrub that is native to California, and endemic (limited) to California.
also called Frangula rubra ssp. rubra
Record Count by County

Alpine: 1 Mariposa: 8 Plumas: 10 Trinity: 3
Butte: 20 Mono: 2 Shasta: 4 Tulare: 2
Inyo: 5 Nevada: 4 Sierra: 5 Yuba: 7
Kern: 1 Placer: 5 Siskiyou: 1

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/21/2024).