Distribution: Known only from San Juan County in Washington; Washington to California, and in scattered locations in central and southern U.S.
Habitat: Roadsides, fields, wastelots, and other disturbed open areas.
Flowers: May-July
Origin: Introduced from Europe
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Bumblebees, bees, butterflies
[none provided]
PNW Herbaria: Specimen records of Lathyrus aphaca in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Lathyrus aphaca checklist entry
OregonFlora: Lathyrus aphaca information
E-Flora BC: Lathyrus aphaca atlas page
CalPhotos: Lathyrus aphaca photos