Page authors: Don Knoke, David Giblin
Erigeron philadelphicus
Philadelphia daisy, Philadelphia fleabane
WTU images
WTU specimens
Other herbaria

Distribution: Widely distributed throughout Washington; widely distributed throughout North America.

Habitat: Moist, open forests at low to mid-elevations.

Flowers: April-August

Origin: Native

Conservation Status: Not of concern


Biennial or short-lived perennial, fibrous rooted, 2-7 dm. tall; herbage usually with long, spreading hairs.


Basal leaves oblanceolate, toothed or lobed to sometimes entire, up to 15 cm. long and 3 cm. wide; cauline leaves becoming sessile, mostly ample and clasping.


Heads 1-many; involucre 4-6 mm. high; rays pistillate, 150-400, 0.2-0.6 mm. wide, 5-10 mm. long, deep pink to white; disk corollas 2.5-3.2 mm. long, yellow; pappus of 20-30 fragile bristles.

Accepted Name:
Erigeron philadelphicus L.
Publication: Sp. Pl. 2: 863. 1753.

Synonyms & Misapplications:
(none provided)
var. philadelphicus – Philadelphia daisy, Philadelphia fleabane
Additional Resources:

PNW Herbaria: Specimen records of Erigeron philadelphicus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Erigeron philadelphicus checklist entry.

E-Flora BC: Erigeron philadelphicus atlas page.

CalPhotos: Erigeron philadelphicus photos.

USDA Plants: Erigeron philadelphicus information.

26 photographs:
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