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
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Bumblebees, bees, butterflies, flies
[none provided]
PNW Herbaria: Specimen records of Trifolium resupinatum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Trifolium resupinatum checklist entry
OregonFlora: Trifolium resupinatum information
E-Flora BC: Trifolium resupinatum atlas page
CalPhotos: Trifolium resupinatum photos