Calflora, a 501c3 non-profit
Distribution by County   7075    
Rhamnus crocea  Nutt.
Redberry buckthorn
Rhamnus crocea is a shrub that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 23 Lake: 4 Riverside: 167 Shasta: 3
Alpine: 1 Los Angeles: 197 Sacramento: 2 Sierra: 1
Amador: 1 Marin: 80 San Benito: 29 Solano: 3
Butte: 3 Mendocino: 6 San Bernardino: 58 Sonoma: 45
Colusa: 1 Merced: 2 San Diego: 571 Tehama: 1
Contra Costa: 19 Monterey: 114 San Francisco: 6 Trinity: 1
El Dorado: 4 Napa: 33 San Luis Obispo: 146 Tulare: 5
Fresno: 13 Nevada: 1 San Mateo: 71 Tuolumne: 1
Humboldt: 1 Orange: 55 Santa Barbara: 137 Ventura: 99
Kern: 10 Placer: 1 Santa Clara: 106 Yuba: 5

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).