Page authors: Don Knoke, David Giblin
Erigeron piperianus
Piper's fleabane

Distribution: Endemic to Washington, where occurring east of the Cascades crest from north-central to south-central Washington.

Habitat: Dry, open places, often in sandy soil among sagebrush.

Flowers: May-June

Origin: Native

Conservation Status: Not of concern


Perennial from a taproot and short, branched, woody base, the stem 3-10 cm. high and covered with short, stiff appressed hairs.


Leaves mostly basal or lower-cauline, linear, lax and curved, up to 4 cm. long and 1.5 mm. wide, with short, stiff, sharp-pointed hairs on the margins and appressed- hairy on the surfaces, the lower leaves with conspicuously enlarged, hardened, whitish bases.


Heads solitary or few, small, the disk 5-10 mm. wide; involucre 3-5 mm. high, covered with long, white, stiff, spreading hairs; rays 25-40, pistillate, yellow, 4-9 mm. long and 1.0-1.8 mm. wide; disk corollas 2.8-4.2 mm. long, yellow; pappus of 15-25 capillary bristles.

Accepted Name:
Erigeron piperianus Cronquist
Publication: Brittonia. 6: 197. 1947.

Synonyms & Misapplications:
(none provided)
Additional Resources:

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

WA Flora Checklist: Erigeron piperianus checklist entry.

E-Flora BC: Erigeron piperianus atlas page.

CalPhotos: Erigeron piperianus photos.

USDA Plants: Erigeron piperianus information.

12 photographs:
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