Species (sp.): Fragilaria sp.
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Fetvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1990-06-13 | |
| Hammervatnet | Trøndelag, Norway | 3 | 1 | 0 | 1994-06-18 | |
| Haukvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-22 | |
| Kolbotnvannet | Akershus, Norway | 1 | 1 | 0 | 1991-06-03 | |
| Laksådalsvatnet | Nordland, Norway | 1 | 1 | 0 | 1991-06-05 | |
| Myklebustvannet | Møre og Romsdal, Norway | 2 | 1 | 0 | 1990-06-08 | |
| Røldalstjørnet | Vestland, Norway | 2 | 1 | 0 | 1990-06-11 | |
| Sillongen | Innlandet, Norway | 1 | 1 | 0 | 1990-05-22 | |
| Stavsjø | Innlandet, Norway | 1 | 1 | 0 | 1990-06-02 | |
| Tveitevannet | Vestland, Norway | 1 | 1 | 0 | 1989-09-07 | |