| Name | Cosmarium reniforme var. alaskanum Croasdale |
| Authorship | Croasdale |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Cosmarium reniforme (Ralfs) W. Archer |
| Remarks | Created from Taxon Name Import: Cosmarium reniforme var. alaskanum Croasdale |
| Name | Cosmarium reniforme var. alaskanum Croasdale |
| Authorship | Croasdale |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Cosmarium reniforme (Ralfs) W. Archer |
| Remarks | Created from Taxon Name Import: Cosmarium reniforme var. alaskanum Croasdale |