| Name | Sargassum fallax Sonder |
| Authorship | Sonder |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Sargassum C. Agardh |
| Contains | Sargassum fallax var. cygnorum Grunow Sargassum fallax var. evesiculosum De Toni |
| Remarks | Created from Taxon Name Import: Sargassum fallax Sonder |