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Distribution by County   4778    
Lewisia rediviva  Pursh
Bitter root
Lewisia rediviva is a perennial herb that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 7 Lake: 30 San Benito: 71 Sonoma: 7
Alpine: 7 Lassen: 9 San Bernardino: 57 Stanislaus: 1
Butte: 51 Los Angeles: 29 San Joaquin: 2 Sutter: 3
Calaveras: 5 Marin: 12 San Luis Obispo: 2 Tehama: 4
Colusa: 15 Mariposa: 9 San Mateo: 12 Trinity: 9
Contra Costa: 17 Modoc: 37 Santa Barbara: 7 Tulare: 3
El Dorado: 12 Mono: 44 Santa Clara: 27 Tuolumne: 28
Fresno: 1 Monterey: 32 Santa Cruz: 1 Ventura: 47
Glenn: 4 Napa: 45 Shasta: 2
Inyo: 28 Nevada: 1 Sierra: 2
Kern: 29 Riverside: 8 Siskiyou: 15

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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 01/22/2026).