Calflora
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
© 2013 Debra L. Cook
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:

Wetlands:
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 PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Search efloras.org (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: https://www.calflora.org/   (Accessed: Dec 16, 2018).