| Name | Ectocarpus confervoides f. typicus Kuckuck |
| Authorship | Kuckuck |
| Rank | Forma |
| NomenclaturalStatus | NomInvalid |
| Placed in | Ectocarpus confervoides Le Jolis |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ectocarpus confervoides f. typicus Kuckuck |
| Identification made in | [no date] (2) |