| Name | Cosmarium rostellum West & G.S.West |
| Authorship | West & G. S. West |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Cosmarium |
| Contains | Cosmarium rostellum f. minor West & G.S.West |
| Remarks | Created from Taxon Name Import: Cosmarium rostellum West & G.S.West |
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