| Name | Sargassum horneri (Turner) C. Agardh |
| Authorship | (Turner) C. Agardh |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Sargassum C. Agardh |
| Contains | Sargassum horneri var. densum C. Agardh Sargassum horneri f. furcatodentatum Kuntze Sargassum horneri var. spathulatum (J. Agardh) Okamura |
| Remarks | Created from Taxon Name Import: Sargassum horneri (Turner) C. Agardh |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Sargassum horneri (Turner) C. Agardh |
| Identification made in | [no date] (5) |