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
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Ononis spinosa ssp. maritima in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Ononis spinosa ssp. maritima checklist entry
OregonFlora: Ononis spinosa ssp. maritima information
E-Flora BC: Ononis spinosa ssp. maritima atlas page
CalPhotos: Ononis spinosa ssp. maritima photos