| Name | Cosmarium rostafinskii Gutwinski |
| Authorship | Gutwinski |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Cosmarium |
| Contains | Cosmarium rostafinskii var. americanum W.West & G.S.West |
| Remarks | Created from Taxon Name Import: Cosmarium rostafinskii Gutwinski |