Origin: Introduced
Conservation Status: Not of concern
[none provided]
Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.PNW Herbaria: Specimen records of Tribulus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Tribulus checklist entry
OregonFlora: Tribulus information
E-Flora BC: Tribulus atlas page
CalPhotos: Tribulus photos