Gloiosiphonia capillaris
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gigartinales
- family: Gloiosiphoniaceae
- genus: Gloiosiphonia
- species: Gloiosiphonia capillaris
Roscoff
A2
FranceNorth Berwick
Scotland
United KingdomCarmel-by-the-Sea
Pacific Grove
Santa Barbara
Santa Cruz
CaliforniaMarblehead
Nahant
MassachusettsSound Beach
New York
United States