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Taxon  Report  
Frangula californica  (Eschsch.) A. Gray  ssp. occidentalis  (Howell ex Greene) Kartesz & Gandhi
Western california coffeeberry
Frangula californica ssp. occidentalis is a shrub that is native to California, and also found elsewhere in western North America.
also called Rhamnus californica ssp. occidentalis
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
DJJJASONAFMM

Bloom Period
Parent: Frangula californica
Genus: Frangula
Family: Rhamnaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Ultramafic affinity: 6 - strict endemic
Name Status:
Accepted by JEF + PLANTS
Alternate Names:
JEF + PLANTSRhamnus californica ssp. occidentalis
JEF + PLANTSRhamnus californica var. occidentalis
JEFRhamnus occidentalis
Information about  Frangula californica ssp. occidentalis from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (FRCAO4)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/23/2025).