Page authors: Don Knoke, David Giblin
Erigeron lonchophyllus
short-rayed fleabane, spear-leaved fleabane

Distribution: Occurring east of the Cascades crest in northern Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and eastern Canada.

Habitat: Streambanks, bogs, ponds, wet meadows, ditches, gravelly places along roads at middle to high elevations.

Flowers: July-August

Origin: Native

Conservation Status: Not of concern


Weak-rooted biennial or short-lived perennial, erect, 2-60 cm. tall, the stem covered with spreading, short, stiff, blunt hairs.


Basal leaves oblanceolate, up to 15 cm. long and 12 mm. wide; cauline leaves linear, often elongate.


Peduncles erect, the lower heads surpassed by the subtending leaves, or the heads solitary; involucre 4-9 mm. high, hairy but not glandular, its bracts imbricate, pointed and purple-tipped; pistillate flowers numerous, with erect, inconspicuous white rays 2-3 mm. long and 0.25-0.5 mm. wide; disk corollas 3.5-5 mm. long, shorter than the 20-30 pappus bristles.

Accepted Name:
Erigeron lonchophyllus Hook.
Publication: Fl. Bor.-Amer. 2: 18. 1834.

Synonyms & Misapplications:
Erigeron acris L. ssp. racemosus (Nutt.) Clem. & E.G. Clem.
Trimorpha lonchophylla (Hook.) G.L. Nesom
Additional Resources:

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

WA Flora Checklist: Erigeron lonchophyllus checklist entry.

E-Flora BC: Erigeron lonchophyllus atlas page.

CalPhotos: Erigeron lonchophyllus photos.

USDA Plants: Erigeron lonchophyllus information.

10 photographs:
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