Distribution: Occurring in the Columbia River Gorge in Washington; Columbia River Gorge in Washington to adjacent Gorge area in Oregon.
Habitat: Moist shady cliffs and ledges.
Growth Duration: Perennial
Conservation Status: Threatened in Washington (WANHP)
Perennial from a stout, woody base and root, the lax stem 5-15 cm. long, covered with glands and loose, sticky hairs.
Basal leaves tufted, spatulate to obovate, coarsely toothed or incised, up to 9 cm. long and 2.5 cm. wide; cauline leaves well developed, broadly lanceolate to ovate or elliptic, up to 4 cm. long and 1 cm. wide.
Heads 1-several in a leafy inflorescence, the disk 9-13 mm. wide; involucre 5-7 mm. high, the bracts loose, equal, thin and green; rays 30-60, pink or white to bluish; disk corollas 3.4-4.7 mm. long, yellow; pappus simple, of 15-20 bristles that are curled and twisted above.
PNW Herbaria: Specimen records of Erigeron oreganus in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Erigeron oreganus checklist entry.
OregonFlora: Erigeron oreganus information.
E-Flora BC: Erigeron oreganus atlas page.
CalPhotos: Erigeron oreganus photos.
USDA Plants: Erigeron oreganus information.