| Name | Cosmarium porteanum var. orthostichum Schmidle |
| Authorship | Schmidle |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Cosmarium porteanum W. Archer |
| Remarks | Created from Taxon Name Import: Cosmarium porteanum var. orthostichum Schmidle |
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