Calflora, a 501c3 non-profit
Distribution by County   10900    
Frangula californica  (Eschsch.) A. Gray  ssp. tomentella  (Benth.) Kartesz & Gandhi
Hoary coffeeberry
Frangula californica ssp. tomentella is a shrub that is native to California, and found only slightly beyond California borders.
also called Rhamnus tomentella ssp. tomentella
Record Count by County

Alameda: 22 Los Angeles: 26 Riverside: 25 Sonoma: 35
Amador: 27 Madera: 8 Sacramento: 16 Stanislaus: 5
Butte: 221 Mariposa: 18 San Benito: 87 Sutter: 17
Calaveras: 37 Mendocino: 4 San Bernardino: 19 Tehama: 102
Colusa: 16 Merced: 1 San Diego: 208 Trinity: 14
Contra Costa: 19 Mono: 1 San Luis Obispo: 20 Tulare: 62
El Dorado: 131 Monterey: 112 San Mateo: 14 Tuolumne: 50
Fresno: 45 Napa: 21 Santa Barbara: 59 Ventura: 59
Humboldt: 1 Nevada: 52 Santa Clara: 54 Yolo: 4
Inyo: 5 Orange: 7 Santa Cruz: 14 Yuba: 80
Kern: 50 Placer: 43 Shasta: 43
Lake: 20 Plumas: 1 Solano: 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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 01/19/2026).