Gracilaria damaecornis
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gracilariales
- family: Gracilariaceae
- genus: Gracilaria
- species: Gracilaria damaecornis
- Welchman Hall
Saint Thomas
Barbados- Pointe-à-Pitre
Guadeloupe
Guadeloupe- Manchioneal
Portland
Jamaica- Punta Santiago
Humacao- Luquillo
Luquillo- El Negro
Yabucoa
Puerto Rico- Key West
Florida
United States