| Name | Sargassum muticum (Yendo) Fensholt |
| Authorship | (Yendo) Fensholt |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Sargassum C. Agardh |
| Remarks | Created from Taxon Name Import: Sargassum muticum (Yendo) Fensholt |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Sargassum muticum (Yendo) Fensholt |
| Identification made in | [no date] (2) |