Calflora, a 501c3 non-profit
Distribution by County   5147    
Lupinus formosus  Greene
Lupine,   Summer lupine,   Western lupine
Lupinus formosus is a perennial herb that is native to California, and found only slightly beyond California borders.
Record Count by County

Alameda: 45 Lake: 1 Plumas: 3 Santa Clara: 34
Butte: 2 Los Angeles: 141 Riverside: 49 Santa Cruz: 5
Calaveras: 4 Madera: 17 Sacramento: 1 Shasta: 1
Colusa: 4 Marin: 69 San Benito: 4 Solano: 28
Contra Costa: 53 Mariposa: 10 San Bernardino: 96 Sonoma: 26
El Dorado: 1 Mendocino: 27 San Diego: 52 Stanislaus: 5
Fresno: 36 Merced: 11 San Francisco: 1 Tehama: 2
Glenn: 1 Mono: 1 San Joaquin: 1 Tulare: 5
Humboldt: 5 Monterey: 59 San Luis Obispo: 13 Tuolumne: 9
Inyo: 1 Napa: 19 San Mateo: 58 Ventura: 74
Kern: 57 Orange: 1 Santa Barbara: 37 Yolo: 3

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. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 01/30/2025).