Page author: David Giblin
Acmispon americanus var. americanus
American bird's-foot trefoil
Specimens
Photos

Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Rocky Mountains, south to Mexico.

Habitat: Chiefly in sandy to rocky, exposed or wooded areas, more common at low elevations.

Flowers: April-September

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern

Description:

[none provided]


Accepted Name:
Acmispon americanus (Nutt.) Rydb. var. americanus
Publication: Bull. Torrey Bot. Club 40(2): 45. 1913.

Synonyms & Misapplications:
Lotus purshianus Clem. & E.G. Clem. var. glaber (Nutt.) Munz
Lotus unifoliolatus (Hook.) Benth. var. unifoliolatus
Additional Resources:

PNW Herbaria: Specimen records of Acmispon americanus var. americanus in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Acmispon americanus var. americanus checklist entry

OregonFlora: Acmispon americanus var. americanus information

E-Flora BC: Acmispon americanus var. americanus atlas page

CalPhotos: Acmispon americanus var. americanus photos

26 photographs:
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