Sphaerium nitidum
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Ski videregående skole | Akershus, Norway | 1 | 1 | 0 | 1992-09-18 |
| Hadeland videregående skole/Avdeling Brandbu | Innlandet, Norway | 1 | 1 | 0 | 1992-09-17 |
| Grymyr skole | Innlandet, Norway | 1 | 1 | 0 | 2012-09-26 |