Distribution: Known from Klickitat County in Washington; south-central Washington to adjacent Oregon, also in scattered locations in eastern North America.
Flowers: June-August
Origin: Introduced from Europe
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Ononis spinosa in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Ononis spinosa checklist entry
OregonFlora: Ononis spinosa information
E-Flora BC: Ononis spinosa atlas page
CalPhotos: Ononis spinosa photos