Distribution: Occurring in the southeastern region in Washington; southeastern Washington to northeastern Oregon.
Habitat: Dry hillsides, meadowlands, and forest openings.
Flowers: May-August
Origin: Native
Conservation Status: Threatened in Washington (WANHP)
Pollination: Bumblebees, bees, butterflies, flies
[none provided]
PNW Herbaria: Specimen records of Trifolium plumosum var. plumosum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Trifolium plumosum var. plumosum checklist entry
OregonFlora: Trifolium plumosum var. plumosum information
E-Flora BC: Trifolium plumosum var. plumosum atlas page
CalPhotos: Trifolium plumosum var. plumosum photos