| Name | Ceramium pygmaeum Schiffner |
| Authorship | Schiffner |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Ceramium Roth |
| Remarks | Created from Taxon Name Import: Ceramium pygmaeum Schiffner |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Ceramium pygmaeum Schiffner |
| Identification made in | [no date] (8) |