| Name | Cosmarium mesoleium var. arcuatum Playfair |
| Authorship | Playfair |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Cosmarium mesoleium (Raciborski) Playfair |
| Remarks | Created from Taxon Name Import: Cosmarium mesoleium var. arcuatum Playfair |
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