Ambrosia chamissonis Calflora

Distribution by County 292

Ambrosia chamissonis (Less.) Greene

Beach bur, Silver beachweed

Ambrosia chamissonis is a perennial herb that is native to California, and also found elsewhere in western North America.

Record Count by County


Alameda: 20	Marin: 74	San Francisco: 65	Sonoma: 35
Contra Costa: 12	Mendocino: 74	San Luis Obispo: 71	Ventura: 100
Del Norte: 3	Monterey: 108	San Mateo: 97
Humboldt: 46	Orange: 57	Santa Barbara: 131
Los Angeles: 122	San Diego: 107	Santa Cruz: 53

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).