| Name | Cosmarium quaternarium var. tumefactum Nordstedt |
| Authorship | Nordstedt |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Cosmarium quaternarium Nordstedt |
| Remarks | Created from Taxon Name Import: Cosmarium quaternarium var. tumefactum Nordstedt |
| Name | Cosmarium quaternarium var. tumefactum Nordstedt |
| Authorship | Nordstedt |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Cosmarium quaternarium Nordstedt |
| Remarks | Created from Taxon Name Import: Cosmarium quaternarium var. tumefactum Nordstedt |