| Name | Cosmarium perforatum P. Lundell |
| Authorship | P. Lundell |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Cosmarium |
| Contains | Cosmarium perforatum var. rauchii Ducelier Cosmarium perforatum var. skujae Grönblad |
| Remarks | Created from Taxon Name Import: Cosmarium perforatum P. Lundell |