| Name | Fucus evanescens f. pergrandis Kjellman |
| Authorship | Kjellman |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Fucus evanescens C. Agardh |
| Remarks | Created from Taxon Name Import: Fucus evanescens f. pergrandis Kjellman |
| Citation | 1877 Bih. Kongl. Svenska Vetensk.-Akad. Handl. 4(6): 3 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Fucus evanescens f. pergrandis Kjellman |
| Identification made in | [no date] (1) |