Calflora, a 501c3 non-profit
Distribution by County   2244    
Claytonia perfoliata  Donn ex Willd.
Miners lettuce,   Miner's lettuce,   Rooreh (Ohlone)
Claytonia perfoliata is an annual herb that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 95 Kings: 4 Placer: 55 Sierra: 23
Alpine: 1 Lake: 24 Plumas: 19 Siskiyou: 6
Amador: 17 Lassen: 3 Riverside: 198 Solano: 35
Butte: 98 Los Angeles: 468 Sacramento: 55 Sonoma: 133
Calaveras: 25 Madera: 18 San Benito: 309 Stanislaus: 25
Colusa: 7 Marin: 248 San Bernardino: 108 Sutter: 10
Contra Costa: 105 Mariposa: 147 San Diego: 581 Tehama: 29
Del Norte: 2 Mendocino: 74 San Francisco: 152 Trinity: 49
El Dorado: 84 Merced: 14 San Joaquin: 8 Tulare: 142
Fresno: 83 Modoc: 19 San Luis Obispo: 255 Tuolumne: 73
Glenn: 1 Mono: 7 San Mateo: 228 Ventura: 203
Humboldt: 71 Monterey: 244 Santa Barbara: 195 Yolo: 18
Imperial: 1 Napa: 45 Santa Clara: 160 Yuba: 16
Inyo: 26 Nevada: 39 Santa Cruz: 96
Kern: 165 Orange: 197 Shasta: 33

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: 11/21/2024).