Alaria tenuifolia
- kingdom: Chromista
- phylum: Ochrophyta
- class: Phaeophyceae
- order: Laminariales
- family: Alariaceae
- genus: Alaria
- species: Alaria tenuifolia
Campbell River- Oak Bay
- Sooke
- West End
British Columbia
Canada
Dutch Harbor
Alaska- Friday Harbor
Washington
United States