Bleach weed
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Halymeniales
- family: Halymeniaceae
- genus: Grateloupia
- species: Prionitis lyallii
North Saanich
Sooke
Tofino
Ucluelet
Vancouver
Victoria
White Rock
British Columbia
CanadaSitka
AlaskaFriday Harbor
Port Orchard
Washington
United States