Distribution: Occurring east of the Cascades crest in eastern Washington; eastern Washington to California, also in eastern North America.
Habitat: Roadsides, wastelots, and disturbed open areas.
Flowers: May-June
Origin: Introduced from Eurasia
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Trifolium resupinatum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Trifolium resupinatum checklist entry.
E-Flora BC: Trifolium resupinatum atlas page.
CalPhotos: Trifolium resupinatum photos.
USDA Plants: Trifolium resupinatum information.