| Name | Pylaiella littoralis f. rectangularis De Toni |
| Authorship | De Toni |
| Rank | Forma |
| NomenclaturalStatus | Unknown |
| Placed in | Pylaiella littoralis (Linnaeus) Kjellman |
| Remarks | Created from Taxon Name Import: Pylaiella littoralis f. rectangularis De Toni |
| Name | Pylaiella littoralis f. rectangularis De Toni |
| Authorship | De Toni |
| Rank | Forma |
| NomenclaturalStatus | Unknown |
| Placed in | Pylaiella littoralis (Linnaeus) Kjellman |
| Remarks | Created from Taxon Name Import: Pylaiella littoralis f. rectangularis De Toni |