| Name | Fragilaria fonticola var. angusta F.Hustedt |
| Authorship | F.Hustedt |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Fragilaria fonticola Hustedt |
| Remarks | Created from Taxon Name Import: Fragilaria fonticola var. angusta F.Hustedt |
| Name | Fragilaria fonticola var. angusta F.Hustedt |
| Authorship | F.Hustedt |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Fragilaria fonticola Hustedt |
| Remarks | Created from Taxon Name Import: Fragilaria fonticola var. angusta F.Hustedt |