Calflora, a 501c3 non-profit
Distribution by County   7206    
Rubus ursinus  Cham. & Schltdl.
California blackberry,   Pacific blackberry
Rubus ursinus is a vine or shrub that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 105 Lake: 13 Riverside: 62 Sierra: 6
Amador: 6 Los Angeles: 303 Sacramento: 140 Siskiyou: 4
Butte: 109 Madera: 14 San Benito: 124 Solano: 63
Calaveras: 4 Marin: 1202 San Bernardino: 40 Sonoma: 411
Colusa: 25 Mariposa: 13 San Diego: 207 Stanislaus: 34
Contra Costa: 60 Mendocino: 278 San Francisco: 206 Sutter: 17
Del Norte: 8 Merced: 10 San Joaquin: 75 Tehama: 61
El Dorado: 21 Monterey: 214 San Luis Obispo: 128 Trinity: 49
Fresno: 54 Napa: 28 San Mateo: 751 Tulare: 52
Glenn: 39 Nevada: 14 Santa Barbara: 205 Tuolumne: 1
Humboldt: 131 Orange: 170 Santa Clara: 210 Ventura: 102
Kern: 19 Placer: 11 Santa Cruz: 312 Yolo: 24
Kings: 2 Plumas: 11 Shasta: 40 Yuba: 25

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: 12/03/2024).