Calflora, a 501c3 non-profit
Distribution by County   2210    
Clarkia rhomboidea  Douglas
Diamond clarkia,   Diamond petaled clarkia,   Diamond fairyfan,   Rhomboid farewell to spring,   Tongue clarkia
Clarkia rhomboidea is an annual herb that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 6 Lake: 34 Plumas: 94 Sonoma: 10
Alpine: 5 Lassen: 38 Riverside: 48 Stanislaus: 2
Amador: 8 Los Angeles: 41 San Benito: 1 Sutter: 6
Butte: 143 Madera: 20 San Bernardino: 70 Tehama: 83
Calaveras: 5 Mariposa: 47 San Diego: 152 Trinity: 77
Colusa: 12 Mendocino: 17 San Luis Obispo: 1 Tulare: 65
Del Norte: 1 Modoc: 72 San Mateo: 1 Tuolumne: 52
El Dorado: 48 Monterey: 17 Santa Barbara: 22 Ventura: 26
Fresno: 61 Napa: 13 Santa Clara: 13 Yolo: 1
Glenn: 11 Nevada: 34 Shasta: 67 Yuba: 1
Humboldt: 17 Orange: 7 Sierra: 40
Kern: 48 Placer: 34 Siskiyou: 52

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).