| Name | Oedogonium cardiacum var. explens Hallas ex Andersen |
| Authorship | Hallas ex Andersen |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Oedogonium cardiacum Wittrock ex Hirn |
| Remarks | Created from Taxon Name Import: Oedogonium cardiacum var. explens Hallas ex Andersen |