Calflora, a 501c3 non-profit
Distribution by County   430    
Aquilegia formosa  Fisch. ex DC.
Crimson columbine,   Sitka columbine,   Western columbine
Aquilegia formosa is a perennial herb that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Alameda: 40 Kern: 21 Placer: 116 Sierra: 79
Alpine: 48 Lake: 15 Plumas: 122 Siskiyou: 129
Amador: 11 Lassen: 28 Riverside: 53 Solano: 3
Butte: 70 Los Angeles: 97 San Benito: 2 Sonoma: 62
Calaveras: 11 Madera: 18 San Bernardino: 124 Tehama: 37
Colusa: 3 Marin: 108 San Diego: 59 Trinity: 82
Contra Costa: 32 Mariposa: 40 San Francisco: 5 Tulare: 116
Del Norte: 63 Mendocino: 63 San Luis Obispo: 8 Tuolumne: 68
El Dorado: 101 Modoc: 30 San Mateo: 132 Ventura: 43
Fresno: 101 Mono: 127 Santa Barbara: 12 Yuba: 12
Glenn: 4 Monterey: 95 Santa Clara: 69
Humboldt: 86 Napa: 33 Santa Cruz: 44
Inyo: 89 Nevada: 96 Shasta: 78

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: 12/15/2025).