Taxon  Report   926    
Astragalus pycnostachyus  A. Gray
Loco weed,  Marsh milk vetch, Marsh milkvetch
Astragalus pycnostachyus
© 2005 Will Chatfield-Taylor
Photos from
CalPhotos / Calflora
Astragalus pycnostachyus
© 2007 Nicholas Jensen
Astragalus pycnostachyus
© 2003 BLM,Arcata Field Office
Astragalus pycnostachyus, a dicot, is a perennial herb that is native to California, is endemic (limited) to California.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Astragalus pycnostachyus
© 1998 Doreen L. Smith
Family: FABACEAE  
Genus: Astragalus
Subspecies and Varieties:
Communities: Coastal Salt Marsh, wetland-riparian

Wetlands: Occurs in wetlands

Habitat: coastal, salt-marsh

Name Status:
Accepted by JEF + PLANTS

More information about  Astragalus pycnostachyus
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 21, 2019).