Distribution: Occurring in a few locations west of the Cascades crest in lowland western Washington; Washington to California; also in the south-central and southeastern U.S.
Habitat: Roadsides, fields, wastelots, and other disturbed open areas.
Flowers: May-July
Origin: Introduced from Europe
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Bumblebees, bees, butterflies, flies
[none provided]
Publication: Fl. Pis. 2: 165. 1798.
PNW Herbaria: Specimen records of Trifolium vesiculosum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Trifolium vesiculosum checklist entry.
OregonFlora: Trifolium vesiculosum information.
E-Flora BC: Trifolium vesiculosum atlas page.
CalPhotos: Trifolium vesiculosum photos.
USDA Plants: Trifolium vesiculosum information.
