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
Canada
Bolinas- La Jolla
- Monterey
- Pacific Grove
- Santa Barbara
- Santa Cruz
California- Friday Harbor
Washington
United States