Lymnaea stagnalis
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Hadeland videregående skole/Avdeling Brandbu | Innlandet, Norway | 7 | 1 | 0 | 1996-09-18 |
| Ringerike gymnas | Buskerud, Norway | 4 | 1 | 0 | 1992-09-19 |
| Elverum videregående skole | Innlandet, Norway | 4 | 1 | 0 | 1993-09-17 |
| Valler videregående skole | Akershus, Norway | 3 | 1 | 0 | 1992-09-10 |
| Brumundal videregående skole, SAK | Innlandet, Norway | 3 | 1 | 0 | 1993-06-07 |
| Askim videregående skole | Østfold, Norway | 3 | 1 | 0 | 1996-10-24 |
| Ski videregående skole | Akershus, Norway | 2 | 1 | 0 | 1993-09-19 |
| Hamar katedralskole | Innlandet, Norway | 2 | 1 | 0 | 1990-09-28 |
| Ås videregående skole | Akershus, Norway | 1 | 1 | 0 | 1993-09-22 |
| Finstad skole | Akershus, Norway | 1 | 1 | 0 | 2002-05-23 |
| Grymyr skole | Innlandet, Norway | 1 | 1 | 0 | 2012-09-26 |
| Jaren skole | Innlandet, Norway | 1 | 1 | 0 | 2013-09-27 |