Calflora, a 501c3 non-profit
Distribution by County   7220    
Rumex obtusifolius  L.
Bitter dock
Rumex obtusifolius is a perennial herb that is not native to California.
Record Count by County

Alameda: 11 Imperial: 5 San Diego: 4 Solano: 2
Alpine: 5 Kern: 3 San Francisco: 6 Sonoma: 10
Butte: 20 Los Angeles: 11 San Luis Obispo: 5 Tehama: 3
Calaveras: 1 Marin: 2 San Mateo: 13 Trinity: 1
Colusa: 7 Mendocino: 22 Santa Barbara: 8 Tuolumne: 2
Contra Costa: 8 Nevada: 5 Santa Clara: 2 Ventura: 3
El Dorado: 3 Orange: 7 Santa Cruz: 5
Glenn: 2 Riverside: 12 Shasta: 5
Humboldt: 16 San Bernardino: 4 Sierra: 4

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).