Calflora, a 501c3 non-profit
Distribution by County   7213    
Rumex acetosella  L.
Common sheep sorrel
Rumex acetosella is a perennial herb that is not native to California.
Cal-IPC rating: moderate
Record Count by County

Alameda: 71 Lake: 14 Placer: 89 Shasta: 52
Alpine: 15 Lassen: 16 Plumas: 96 Sierra: 44
Amador: 19 Los Angeles: 28 Riverside: 29 Siskiyou: 144
Butte: 89 Madera: 53 Sacramento: 47 Solano: 18
Calaveras: 23 Marin: 622 San Benito: 34 Sonoma: 317
Colusa: 8 Mariposa: 878 San Bernardino: 28 Stanislaus: 12
Contra Costa: 48 Mendocino: 227 San Diego: 26 Sutter: 4
Del Norte: 30 Merced: 13 San Francisco: 199 Tehama: 15
El Dorado: 130 Modoc: 18 San Joaquin: 6 Trinity: 77
Fresno: 149 Mono: 19 San Luis Obispo: 109 Tulare: 68
Glenn: 2 Monterey: 244 San Mateo: 288 Tuolumne: 279
Humboldt: 216 Napa: 33 Santa Barbara: 152 Ventura: 10
Kern: 9 Nevada: 63 Santa Clara: 72 Yolo: 16
Kings: 6 Orange: 2 Santa Cruz: 124 Yuba: 16

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: 12/05/2025).