Page authors: Don Knoke, David Giblin
Columbiadoria hallii
Columbia River daisy, Hall's goldenweed
WTU specimens
Other herbaria

Distribution: Occurring in the south-central region of Washington; Washington south to Oregon.

Habitat: Dry, open or sparsely wooded slopes.

Flowers: August-October

Origin: Native

Conservation Status: Not of concern

Description:
General:

Perennial herb, the herbage scabrous throughout, the stem branched at the woody base, erect, 3-6 dm. tall.

Leaves:

Leaves alternate, numerous, the lowermost early-deciduous, gradually reduced upward; leaves oblanceolate to oblong-lanceolate, 2-5 cm. long and 3-11 mm.wide, ascending, entire.

Flowers:

Heads clustered at the ends of the stems; involucre 8-11 mm.high, resinous and shining, the bracts strongly inbricate in several series, green-tipped; rays yellow, 5 or 8, 5-8 mm. long; disk flowers yellow; pappus of capillary bristles.

Fruits:

Achenes elongate.

Accepted Name:
Columbiadoria hallii (A. Gray) G.L. Nesom
Publication: Phytologia. 71: 249. 1991. 1991.

Synonyms & Misapplications:
Haplopappus hallii A. Gray [HC]
Additional Resources:

PNW Herbaria: Specimen records of Columbiadoria hallii in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Columbiadoria hallii checklist entry.

E-Flora BC: Columbiadoria hallii atlas page.

CalPhotos: Columbiadoria hallii photos.

USDA Plants: Columbiadoria hallii information.

12 photographs:
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