| Name | Closterium ralfsii var. subralfsii M.I.Claassen |
| Authorship | M.I.Claassen |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Closterium ralfsii Brébisson ex Ralfs |
| Remarks | Created from Taxon Name Import: Closterium ralfsii var. subralfsii M.I.Claassen |