[burkeherbarium.org] Range, Habitat, Pollination: Distribution: Occurring chiefly west of the Cascades crest in Washington, also in the Blue Mountains of southeast Washington; British Columbia to northeast Oregon, east across Canada to the Atlantic Coast.
Habitat: Damp woods and swampy areas from the lowlands to middle elevations in the mountains.
Flowers: March-July
Pollination: Bees, flies, beetles, wasps (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 03/30/2025).
