Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: Moist places and streambanks from the lowlands to the subalpine.
Flowers: June-September
Origin: Native
Conservation Status: Not of concern
Pollination: Bumblebees, bees, butterflies, flies, beetles
[none provided]
PNW Herbaria: Specimen records of Senecio triangularis var. triangularis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Senecio triangularis var. triangularis checklist entry
OregonFlora: Senecio triangularis var. triangularis information
E-Flora BC: Senecio triangularis var. triangularis atlas page
CalPhotos: Senecio triangularis var. triangularis photos