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