Pterosiphonia bipinnata
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Ceramiales
- family: Rhodomelaceae
- genus: Pterosiphonia
- species: Pterosiphonia bipinnata
Campbell River
North Saanich
Oak Bay
Prince Rupert
Sooke
Vancouver
Victoria
White Rock
British Columbia
CanadaBolinas
La Jolla
Monterey
Pacific Grove
Santa Barbara
Santa Cruz
CaliforniaFriday Harbor
Washington
United States