| Name | Fragilaria virescens f. clavata Grunow |
| Authorship | Grunow |
| Rank | Forma |
| NomenclaturalStatus | Unknown |
| Placed in | Fragilaria virescens Ralfs |
| Remarks | Created from Taxon Name Import: Fragilaria virescens f. clavata Grunow |
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