| Name | Desmidium quadrangulatum f. protractum J.L.B.Schrder, |
| Authorship | J.L.B.Schröder |
| Rank | Forma |
| NomenclaturalStatus | Unknown |
| Placed in | Desmidium quadrangulatum Ralfs |
| Remarks | Created from Taxon Name Import: Desmidium quadrangulatum f. protractum J.L.B.Schrder, |