Sargassum polyceratium
- kingdom: Chromista
- phylum: Ochrophyta
- class: Phaeophyceae
- order: Fucales
- family: Sargassaceae
- genus: Sargassum
- species: Sargassum polyceratium
Bathsheba
Saint JosephWelchman Hall
Saint Thomas
BarbadosBarber
00
CWBoca de Yuma
La AltagraciaSan Pedro de Macorís
San Pedro de MacorísBoca Chica
Santo Domingo
Dominican RepublicPointe-à-Pitre
Terre-de-Bas
Guadeloupe
GuadeloupePort-de-Paix
Ti Port-de-Paix
Nord-Ouest
HaitiCoconut Grove
Key West
Florida
United StatesCharlotte Amalie
Saint Thomas Island
Virgin Islands, U.S.