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