| Name | Fragilaria harrissonii var. dubia Grunow |
| Authorship | Grunow |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Fragilaria harrissonii W.Smith |
| Remarks | Created from Taxon Name Import: Fragilaria harrissonii var. dubia Grunow |
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