Distribution: Occurring west of the Cascades crest along the Puget Sound and outer coast in Washington; Alaska to California, also in the Great Lakes region.
Habitat: Chiefly in tidelands along the coast.
Flowers: April-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bumblebees, bees, butterflies
[none provided]
PNW Herbaria: Specimen records of Lathyrus palustris in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Lathyrus palustris checklist entry
OregonFlora: Lathyrus palustris information
E-Flora BC: Lathyrus palustris atlas page
CalPhotos: Lathyrus palustris photos