Gelidium sesquipedale
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gelidiales
- family: Gelidiaceae
- genus: Gelidium
- species: Gelidium sesquipedale
- France
Porto
Porto
Portugal
Hondarribia
Basque Country
Spain
Falmouth
Ilfracombe
England
United Kingdom
Biarritz