Distribution: Occurring along the southern border of Washington; British Columbia to California.
Habitat: Fields, roadsides, ditches, and other disturbed open areas.
Flowers: May-June
Origin: Introduced
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Lathyrus sphaericus in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Lathyrus sphaericus checklist entry.
E-Flora BC: Lathyrus sphaericus atlas page.
CalPhotos: Lathyrus sphaericus photos.
USDA Plants: Lathyrus sphaericus information.