Astragalus magdalenae var. peirsonii Calflora

Distribution by County 879

Astragalus magdalenae Greene var. peirsonii (Munz & J. McBurney) Barneby

Peirson's milk vetch, Peirsons locoweed

Astragalus magdalenae var. peirsonii is a perennial herb that is native to California, and also found in Baja California and Arizona.

California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).

State of California status: Endangered. Federal status: Threatened.

Record Count by County


Imperial: 79	Los Angeles: 1	Riverside: 1	San Diego: 6

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. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 04/29/2025).