| Name | Ceramium hirsutum Roth |
| Authorship | Roth |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Ceramium Roth |
| Remarks | Created from Taxon Name Import: Ceramium hirsutum Roth |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ceramium hirsutum Roth |
| Identification made in | [no date] (2) |