Asperococcus fistulosus
- kingdom: Chromista
- phylum: Ochrophyta
- class: Phaeophyceae
- order: Ectocarpales
- family: Chordariaceae
- genus: Asperococcus
- species: Asperococcus fistulosus
- Chester
Nova Scotia
Canada- Nortorf
Schleswig-Holstein
Germany- Mugardos
Galicia
Spain- Varberg
Halland
Sweden- Pontycymer
Wales
United Kingdom- Monterey
- Pacific Grove
California- Coney Island
New York
United States