Red seaweed
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Halymeniales
- family: Halymeniaceae
- genus: Grateloupia
- species: Prionitis lanceolata
Nanaimo- North Saanich
- Oak Bay
- Sooke
- Tofino
- Victoria
- White Rock
British Columbia
Canada
Brookings
Oregon- Friday Harbor
Washington
United States