Calflora, a 501c3 non-profit
Distribution by County   928    
Astragalus pycnostachyus  A. Gray  var. pycnostachyus 
Marsh milk vetch,   Marsh milkvetch
Astragalus pycnostachyus var. pycnostachyus is a perennial herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
Record Count by County

Humboldt: 9 Marin: 29 San Mateo: 42

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:   (Accessed: 05/24/2024).