| Name | Fragilaria obliquecostata f. maxima van Heurck |
| Authorship | van Heurck |
| Rank | Forma |
| NomenclaturalStatus | Unknown |
| Placed in | Fragilaria obliquecostata van Heurck |
| Remarks | Created from Taxon Name Import: Fragilaria obliquecostata f. maxima van Heurck |
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