Gymnogongrus griffithsiae
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gigartinales
- family: Phyllophoraceae
- genus: Gymnogongrus
- species: Gymnogongrus griffithsiae
Vila Franca do Campo
Azores
Portugal
Caban
Aguadilla
Puerto Rico
Tijarafe
Canary Islands
Spain- United Kingdom
Santa Cruz
California
Eastham
Massachusetts
Beaufort
North Carolina
Melville
Portsmouth
Rhode Island
United States
Guaratuba
Bembridge