Calflora, a 501c3 non-profit
Distribution by County   6733    
Polygala subspinosa  S. Watson
Spiny milkwort
Polygala subspinosa is a perennial herb that is native to California, and also found elsewhere in western North America.
California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).
Record Count by County

Inyo: 1 Lassen: 24 Modoc: 1 Mono: 5

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]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 06/06/2023).