Taxon  Report   12131    
Acmispon americanus  (Nutt.) Rydb.
American bird's foot trefoil,  Spanish lotus
Acmispon americanus
© 2016 Jim Moore
Photos from
CalPhotos / Calflora
Acmispon americanus
© 2018 H Bolling
Acmispon americanus
© 2001 Jeff Abbas
Acmispon americanus, a dicot, is an annual herb that is native to California.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Acmispon americanus
© 2013 Arcangelo Wessells
Family: FABACEAE  
Genus: Acmispon
Subspecies and Varieties:

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

Name Status:
Accepted by ICPN

Alternate Names:
ICPN: Lotus unifoliolatus
ICPN: Lotus purshianus
More information about  Acmispon americanus
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 23, 2019).