Taxon  Report   11269    
Acmispon americanus  (Nutt.) Rydb.  var. americanus 
American bird's foot trefoil,  Spanish lotus
Acmispon americanus var. americanus
© 2009 Neal Kramer
Photos from
CalPhotos / Calflora
Acmispon americanus var. americanus
© 2007 Dr. Mark S. Brunell
Acmispon americanus var. americanus
© 2008 John Dittes
Acmispon americanus var. americanus, a dicot, is an annual herb that is native to California, is also found elsewhere in North America and beyond.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Acmispon americanus var. americanus
© 2009 Keir Morse
Family: FABACEAE  
Genus: Acmispon
Parent: Acmispon americanus
Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Foothill Woodland, Chaparral, Valley Grassland, (many plant communities)

Arid West: Occurs in non wetlands
Mountains, Valleys and Coast: Occurs usually in non wetlands, occasionally in wetlands

Habitat: disturbed

Name Status:
Accepted by JEF

Alternate Names:
ICPN: Lotus purshianus var. purshianus
More information about  Acmispon americanus var. americanus
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

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Nov 12, 2018).

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