Constantinea subulifera
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gigartinales
- family: Dumontiaceae
- genus: Constantinea
- species: Constantinea subulifera
Nanaimo- North Saanich
- Tofino
- Victoria
- White Rock
British Columbia
Canada
Kushiro
Hokkaido
Japan
Diamond Ridge- Homer
- Sitka
Alaska- Friday Harbor
Washington
United States