| Name | Cosmarium contractum var. indentatum (Grönblad) Willi Krieger & Gerloff |
| Authorship | (Grönblad (do not use)) Willi Krieger & Gerloff |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Cosmarium contractum O.Kirchner |
| Remarks | Created from Taxon Name Import: Cosmarium contractum var. indentatum (Grönblad) Willi Krieger & Gerloff |