Taxon  Report   879 
Astragalus magdalenae  E. Greene  var. peirsonii  (Munz & McBurney) Barneby
Peirson's milk vetch,  Peirsons locoweed

Astragalus magdalenae var. peirsonii
© 2006 Andreas Chavez ID: 0000 0000 0206 0464 [detail] 2006 Andreas Chavez
Astragalus magdalenae var. peirsonii
© 2011 Duncan S. Bell
Astragalus magdalenae var. peirsonii, a dicot, is a perennial herb that is native to California and Arizona, Baja California.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 1B.2 (rare, threatened, or endangered in CA and elsewhere).   7th Edition  /  8th Edition

It is listed by the State of California as Endangered and by the Federal Government as 'Threatened '.

 Interactive Distribution Map 

 Observation Hotline 
 (observation details + photos)

point, line, or polygon

one or more occurrences within a 7.5-minute quadrangle

 Plant Characteristics
 and Associations

Bloom Period
Astragalus magdalenae var. peirsonii
© 2008 Jordan Zylstra
Family: FABACEAE  
Genus: Astragalus
Parent Record Astragalus magdalenae.
Creosote Bush Scrub
Habitat: dunes [CNPS Inventory]
Distribution by County 

Add an Observation of  Astragalus magdalenae var. peirsonii

Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Astragalus peirsonii
 More information about  Astragalus magdalenae var. peirsonii
Location Suitability

Nursery / seed vendor availability from CNPLX
Commercial availability unknown.


Photos on CalPhotos / Google Images

website references on Google

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation. on the
International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2015. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Nov 25, 2015).

The information on this page comes from diverse sources. None of the links are sponsored.

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