| Name | Fragilaria heideni var. istvanffyi (Pantocsek) Hustedt |
| Authorship | (Pantocsek) Hustedt |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Fragilaria heideni strup |
| Remarks | Created from Taxon Name Import: Fragilaria heideni var. istvanffyi (Pantocsek) Hustedt |
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