Page authors: Don Knoke, David Giblin
Erigeron howellii
Howell's fleabane

Distribution: Known only from Skamania County in Washington; Skamania County, WA to Clackamas and Multnomah counties in Oregon.

Habitat: Moist, rocky places in the lowlands.

Flowers: April-June

Origin: Native

Growth Duration: Perennial

Conservation Status: Threatened in Washington (WANHP)


Rhizomatous perennial, the stems 2-5 dm. tall, with a few woolly hairs under the heads.


Leaves alternate, thin, glabrous, the lower ones with an ellipitical blade 2-8 cm. long and 1.5-4.5 cm. wide, abruptly contracted to the 2-12 cm. petiole; middle cauline leaves ovate to cordate, strongly clasping at the base; upper leaves similar but smaller.


Heads solitary; disk 12-20 mm. wide; involucre bracts loose, equal, glandular, somewhat herbaceous; rays 30-50, white, 13-25 mm. long and 2-4 mm. wide; disk corollas yellow, 4-5 mm. long, the lobes flaring; pappus simple, of 20-30 capillary bristles.


Achenes asymmetrically 5-nerved.

Accepted Name:
Erigeron howellii (A. Gray) A. Gray
Publication: Syn. Fl. N. Amer. 1(2): 209. 1884.

Synonyms & Misapplications:
Erigeron salsuginosus (Richardson ex R. Br.) A. Gray var. howellii A. Gray
Additional Resources:

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

WA Flora Checklist: Erigeron howellii checklist entry.

E-Flora BC: Erigeron howellii atlas page.

CalPhotos: Erigeron howellii photos.

USDA Plants: Erigeron howellii information.

13 photographs:
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