Calflora, a 501c3 non-profit
Distribution by County   5092    
Lupinus adsurgens  Drew
Drew's silky lupine
Lupinus adsurgens is a perennial herb that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 1 Humboldt: 7 Placer: 5 Sonoma: 3
Amador: 1 Kern: 13 Plumas: 12 Stanislaus: 1
Butte: 1 Lake: 15 Riverside: 1 Tehama: 2
Calaveras: 2 Los Angeles: 1 San Bernardino: 3 Trinity: 14
Colusa: 1 Marin: 3 San Mateo: 1 Tulare: 12
Del Norte: 1 Mariposa: 4 Santa Barbara: 1 Ventura: 2
El Dorado: 6 Mendocino: 2 Santa Clara: 5
Fresno: 5 Monterey: 1 Shasta: 3
Glenn: 7 Nevada: 1 Siskiyou: 1

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).