Page authors: Don Knoke, David Giblin
Lasthenia glaberrima
smooth goldfields, smooth lasthenia

Distribution: Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; southern Washington to central California.

Habitat: Wet or muddy ground at low elevations, including venral pools.

Flowers: May-July

Origin: Native

Growth Duration: Annual

Conservation Status: Threatened in Washington (WANHP)

Pollination: Bees, flies, butterflies


Glabrous, lax annuals, the stems rooting from the lower nodes, 0.5-3 dm. tall.


Leaves opposite, linear, entire, blunt, 2-8 cm. long, at least some of the pairs attached to each other at the base.


Heads few, often long-pedunculate; involucre of 5-15 bracts united in a toothed cup, 5-7 mm. high, the teeth with marginal hairs; rays pistillate and fertile, yellow, short and inconspicuous, not exerted from the involucre; disk flowers perfect and fertile, yellow; pappus of 5-10 firm, awn-tipped scales.


Achenes elongate.

Accepted Name:
Lasthenia glaberrima DC.
Publication: Prodr. 5: 664. 1836.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Lasthenia glaberrima in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Lasthenia glaberrima checklist entry.

OregonFlora: Lasthenia glaberrima information.

E-Flora BC: Lasthenia glaberrima atlas page.

CalPhotos: Lasthenia glaberrima photos.

USDA Plants: Lasthenia glaberrima information.

18 photographs:
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