Gracilaria papenfussii
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gracilariales
- family: Gracilariaceae
- genus: Gracilaria
- species: Gracilaria papenfussii
Vieux Fort
Vieux-Fort
Saint Lucia
Roxborough
ETO
Trinidad And Tobago
La Jolla
California
United States