Gracilaria debilis
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gracilariales
- family: Gracilariaceae
- genus: Gracilaria
- species: Gracilaria debilis
- Boca de Yuma
La Altagracia
Dominican Republic- Massawa
Northern Red Sea
Eritrea- Vieux Fort
Vieux-Fort
Saint Lucia- Juno Beach
- Key West
Florida
United States