Distribution: Endemic to the western edge of the Olympic Peninsula.
Habitat: Bogs, swamps, and related wetlands at low elevations.
Flowers: July-August
Origin: Native
Conservation Status: Threatened in Washington (WANHP)
Pollination: Bees, butterflies, flies, apomixis?
[none provided]
PNW Herbaria: Specimen records of Erigeron peregrinus var. thompsonii in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Erigeron peregrinus var. thompsonii checklist entry
OregonFlora: Erigeron peregrinus var. thompsonii information
E-Flora BC: Erigeron peregrinus var. thompsonii atlas page
CalPhotos: Erigeron peregrinus var. thompsonii photos