| Name | Diatoma hyemalis var. quadratum (Kützing) R. Ross |
| Authorship | (Kützing) R. Ross |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Diatoma hyemalis (Kützing) Heiberg |
| Remarks | Created from Taxon Name Import: Diatoma hiemalis var. quadratum (Kützing) R. Ross |
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