| Name | Cosmarium excavatum var. duplo-maius (Wille) Kurt Förster |
| Authorship | (Wille) Kurt Förster |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Cosmarium excavatum Nordstedt |
| Remarks | Created from Taxon Name Import: Cosmarium excavatum var. duplo-maius (Wille) Kurt Förster |
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