Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California.
Habitat: Gravelly prairies, open woods and riverbanks at low elevations.
Flowers: April-September
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bumblebees, bees, flies, butterflies, beetles, wasps
[none provided]
PNW Herbaria: Specimen records of Lupinus rivularis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Lupinus rivularis checklist entry
OregonFlora: Lupinus rivularis information
E-Flora BC: Lupinus rivularis atlas page
CalPhotos: Lupinus rivularis photos