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