| Name | Cladophora fracta f. submarina Schiffner |
| Authorship | Schiffner |
| Rank | Forma |
| NomenclaturalStatus | Unknown |
| Placed in | Cladophora fracta (O. F. Müller ex Vahl) Kützing |
| Remarks | Created from Taxon Name Import: Cladophora fracta f. submarina Schiffner |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cladophora fracta f. submarina Schiffner |
| Identification made in | [no date] (1) |