| Name | Cosmarium quadratulum var. eastriforme Laporte |
| Authorship | Laporte |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Cosmarium quadratulum (F. Gay) De Toni |
| Remarks | Created from Taxon Name Import: Cosmarium quadratulum var. eastriforme Laporte |
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