Calflora, a 501c3 non-profit
Distribution by County   181    
Allium bolanderi  S. Watson
Bolander's onion
Allium bolanderi is a perennial herb (bulb) that is native to California, and endemic (limited) to California.
Record Count by County

Alameda: 6 Lake: 4 Shasta: 18 Tehama: 2
Colusa: 1 Mendocino: 7 Siskiyou: 4 Trinity: 33
Glenn: 1 Napa: 4 Sonoma: 6 Yolo: 5
Humboldt: 7 Santa Clara: 6 Stanislaus: 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: 03/17/2025).