Calflora, a 501c3 non-profit
Distribution by County   10910    
Frangula rubra  (Greene) Grubov
Red buckthorn
Frangula rubra is a shrub that is native to California, and endemic (limited) to California.
Record Count by County

Alpine: 7 Glenn: 4 Mendocino: 1 Sierra: 25
Amador: 2 Humboldt: 1 Modoc: 1 Siskiyou: 14
Butte: 76 Inyo: 12 Mono: 21 Tehama: 16
Calaveras: 8 Kern: 5 Nevada: 43 Trinity: 10
Del Norte: 1 Lassen: 6 Placer: 49 Tulare: 17
El Dorado: 34 Madera: 9 Plumas: 52 Tuolumne: 17
Fresno: 23 Mariposa: 34 Shasta: 30 Yuba: 23

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: 11/23/2024).