| Name | Ectocarpus siliculosus var. protensus (Lyngbye) C. Agardh |
| Authorship | (Lyngbye) C. Agardh |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Ectocarpus siliculosus (Dillwyn) Lyngbye |
| Remarks | Created from Taxon Name Import: Ectocarpus siliculosus var. protensus (Lyngbye) C. Agardh |