| Name | Ceramium orthocladum Schiffner |
| Authorship | Schiffner |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Ceramium Roth |
| Contains | Ceramium orthocladum f. maximum Schiffner Ceramium orthocladum f. nanum Schiffner |
| Remarks | Created from Taxon Name Import: Ceramium orthocladum Schiffner |
| GUID | urn:lsid:marinespecies.org:taxname:503090 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Ceramium orthocladum Schiffner |
| Identification made in | [no date] (7) |