Species (sp.): Synedra sp.
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Frøylandsvatnet | Rogaland, Norway | 1 | 1 | 0 | 1991-04-24 | |
| Jarenvannet | Innlandet, Norway | 1 | 1 | 0 | 1996-09-18 | |
| Myklebustvannet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-25 | |
| Stavsjø | Innlandet, Norway | 1 | 1 | 0 | 1990-05-28 |
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