Sargassum polyphyllum
- kingdom: Chromista
- phylum: Ochrophyta
- class: Phaeophyceae
- order: Fucales
- family: Sargassaceae
- genus: Sargassum
- species: Sargassum polyphyllum
Martorell- Rosa Sanchez
Yabucoa
Puerto Rico- United States
Sargassum polyphyllum Martorell Rosa Sanchez
Hale‘iwa