| Name | Sphacelaria plumigera Holmes ex Hauck |
| Authorship | Holmes ex Hauck |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Sphacelaria Lyngbye |
| Contains | Sphacelaria plumigera var. patentissima Sauvageau |
| Remarks | Created from Taxon Name Import: Sphacelaria plumigera Holmes ex Hauck |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphacelaria plumigera Holmes ex Hauck |
| Identification made in | [no date] (1) |