Calflora, a 501c3 non-profit
Distribution by County   7179    
Rosa californica  Cham. & Schltdl.
California wild rose,   California wildrose
Rosa californica is a shrub that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 72 Lake: 22 Placer: 20 Shasta: 30
Alpine: 1 Lassen: 5 Plumas: 8 Sierra: 6
Amador: 2 Los Angeles: 287 Riverside: 134 Siskiyou: 18
Butte: 70 Madera: 11 Sacramento: 182 Solano: 123
Calaveras: 4 Marin: 151 San Benito: 201 Sonoma: 135
Colusa: 32 Mariposa: 4 San Bernardino: 72 Stanislaus: 53
Contra Costa: 69 Mendocino: 21 San Diego: 361 Sutter: 38
Del Norte: 1 Merced: 10 San Francisco: 22 Tehama: 37
El Dorado: 26 Modoc: 1 San Joaquin: 61 Trinity: 31
Fresno: 25 Mono: 2 San Luis Obispo: 98 Tulare: 21
Glenn: 36 Monterey: 134 San Mateo: 75 Tuolumne: 17
Humboldt: 27 Napa: 35 Santa Barbara: 163 Ventura: 133
Inyo: 2 Nevada: 18 Santa Clara: 123 Yolo: 57
Kern: 40 Orange: 225 Santa Cruz: 47 Yuba: 29

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]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/06/2025).