Vascular Plants - Asteraceae - Euthamia:
Euthamia occidentalis
Page Authors: Don Knoke, David Giblin
western goldentop, western goldenrod 
Blooms: July-October
Habit: herb
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.

Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains and Great Plains of the U.S.
Habitat: Low, ususally moist ground in the valleys and plains.
Species Description:

General: Stout perennial from creeping rhizomes, 5-20 dm. tall, glabrous throughout.
Leaves: Leaves numerous, sessile, lance-linear, tri-nerved, up to 10 cm. long and 1 cm. wide, the lower early-deciduous.
Flowers: Inflorescence ample, leafy-bracteate, usually interrupted and elongate, the heads in small, tight clusters; involucre about 4 mm. high, pale green or yellowish, the bracts narrow and pointed; rays 15-30, 1.5-2.5 mm. long, yellow, more numerous than the yellow disk flowers; pappus of numerous capillary bristles, equal and white.
Accepted Name:
Euthamia occidentalis Nutt.
Synonyms:
Euthamia californica Gandoger
Euthamia linearifolia Gandoger
Solidago occidentalis (Nutt.) Torr. & A. Gray

Treated in Flora of the PNW as:
Solidago occidentalis
Additional Resources:

PNW Herbaria Specimens: View list of Euthamia occidentalis specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Euthamia occidentalis specimens in the WTU Herbarium database.

Washington Flora Checklist: Euthamia occidentalis treatment.

E-Flora BC: Euthamia occidentalis atlas page.

CalPhotos: Euthamia occidentalis images.

USDA Plants Database: Euthamia occidentalis.
Additional photographs of Euthamia occidentalis:
(click on a thumbnail to view larger photo)

Richard Old

Richard Old

Richard Old

Don Knoke, 2005

Don Knoke, 2005

Don Knoke, 2005

Ben Legler, 2005

G. D. Carr, 2008

G. D. Carr, 2008

G. D. Carr, 2008

G. D. Carr, 2008

G. D. Carr, 2008

G. D. Carr, 2008

Ernie Buchanan, 2004

Ernie Buchanan, 2004

Ernie Buchanan, 2004
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Washington Native Plant Society
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