Page authors: Don Knoke, David Giblin
Erigeron speciosus
showy daisy, showy fleabane, splendid fleabane

Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, Nevada, and Arizona, east to the Rocky Mountains and northern Great Plains.

Habitat: Prairies and forest openings from the lowlands to middle elevations in the mountains.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, butterflies, flies, apomixis?


Perennial from a short, woody base, 1.5-8 dm. tall, the stems clustered, amply leafy, glabrous below the inflorescence.


Leaves glabrous, triple-nerved, entire, the lower oblanceolate or spatulate, petiolate, mostly deciduous, the other becoming sessile but ample.


Heads 1-13 in a open inflorescence; involucre 6-9 mm. high, glandular; rays 65-150, blue or rarely white, 9-18 mm. long and 1 mm. wide; pappus 20-30 bristles, a few of the outer ones shorter.


Achenes 2-nerved.

Accepted Name:
Erigeron speciosus (Lindl.) DC.
Publication: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 284 1836.

Synonyms & Misapplications:
Erigeron speciosus (Lindl.) DC. var. macranthus (Nutt.) Cronquist [HC]
Erigeron speciosus (Lindl.) DC. var. speciosus [HC]
Erigeron subtrinervis Rydb. ex Porter & Britton ssp. conspicuus (Rydb.) Cronquist
Erigeron subtrinervis Rydb. ex Porter & Britton var. conspicuus (Rydb.) Cronquist [HC]
Stenactis speciosa Lindl.
Additional Resources:

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

WA Flora Checklist: Erigeron speciosus checklist entry

OregonFlora: Erigeron speciosus information

E-Flora BC: Erigeron speciosus atlas page

CalPhotos: Erigeron speciosus photos

39 photographs:
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