| Name | Ceramium tetragonum (Withering) C. Agardh |
| Authorship | (Withering) C. Agardh |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Ceramium Roth |
| Remarks | Created from Taxon Name Import: Ceramium tetragonum (Withering) C. Agardh |
| GUID | urn:lsid:marinespecies.org:taxname:500587 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ceramium tetragonum (Withering) C. Agardh |
| Identification made in | [no date] (1) |