| Name | Cosmarium pseudoprotuberans var. inapertum Messikommer |
| Authorship | Messikommer |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Cosmarium pseudoprotuberans O.Kirchner |
| Remarks | Created from Taxon Name Import: Cosmarium pseudoprotuberans var. inapertum Messikommer |