Physidae
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Hadeland videregående skole/Avdeling Brandbu | Innlandet, Norway | 6 | 1 | 0 | 1993-09-04 |
| Ås videregående skole | Akershus, Norway | 4 | 1 | 0 | 1996-09-16 |
| Holmestrand videregående skole | Vestfold, Norway | 4 | 1 | 0 | 1996-09-09 |
| Bjertnes videregående skole | Akershus, Norway | 4 | 1 | 0 | 2004-09-01 |
| Askim videregående skole | Østfold, Norway | 1 | 1 | 0 | 1996-10-24 |
| Rosthaug videregående skole | Buskerud, Norway | 1 | 1 | 0 | 2013-08-28 |
| Melsom videregående skole | Vestfold, Norway | 1 | 1 | 0 | 1993-09-16 |
| Ski videregående skole | Akershus, Norway | 1 | 1 | 0 | 1992-09-18 |