Origin: Introduced
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Hypericum perforatum ssp. perforatum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Hypericum perforatum ssp. perforatum checklist entry.
E-Flora BC: Hypericum perforatum ssp. perforatum atlas page.
CalPhotos: Hypericum perforatum ssp. perforatum photos.
USDA Plants: Hypericum perforatum ssp. perforatum information.