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