Distribution: Occurring chiefly east of the Cascades crest in Washington; Washington to California, east to Idaho and Colorado.
Flowers: May-June
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bumblebees, bees, butterflies
[none provided]
PNW Herbaria: Specimen records of Lathyrus lanszwertii var. lanszwertii in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Lathyrus lanszwertii var. lanszwertii checklist entry
OregonFlora: Lathyrus lanszwertii var. lanszwertii information
E-Flora BC: Lathyrus lanszwertii var. lanszwertii atlas page
CalPhotos: Lathyrus lanszwertii var. lanszwertii photos