| Name | Laminaria agardhii f. zostericola Collins |
| Authorship | Collins |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Laminaria agardhii Kjellman |
| Citation | 1903 Phycoth. Bor.-Amer. Fasc. XXII, no. 1084 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Laminaria agardhii f. zostericola Collins |
| Identification made in | [no date] (1) |