Calflora, a 501c3 non-profit
Distribution by County   10475    
Ambrosia monogyra  (Torr. & A. Gray) Strother & B. G. Baldwin
Singlewhorl burrobrush
Ambrosia monogyra is a shrub that is native to California, and also found elsewhere in western North America.
also called Hymenoclea monogyra
California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).
Record Count by County

Imperial: 1 Orange: 9 San Bernardino: 14
Inyo: 1 Riverside: 2 San Diego: 65

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).