Sphaerium sp.
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Midt-Østerdal videregående skole/Koppang | Innlandet, Norway | 1 | 1 | 0 | 1989-09-14 |
| Flekkefjord vgs | Agder, Norway | 1 | 1 | 0 | 1993-09-28 |
| Vennesla videregående skole | Agder, Norway | 1 | 1 | 0 | 1990-05-31 |
| Askøy videregående skole | Vestland, Norway | 1 | 1 | 0 | 1990-06-06 |
| Nord-Gudbrandsdal vidaregåande skule/Avd Otta | Innlandet, Norway | 1 | 1 | 0 | 1989-08-24 |
| Bjørkelangen videregående skole | Akershus, Norway | 1 | 1 | 0 | 1989-09-26 |
| Sogndal vidaregåande skule | Vestland, Norway | 1 | 1 | 0 | 1989-09-21 |
| Lillehammer videregående skole | Innlandet, Norway | 1 | 1 | 1 | 2013-09-04 |
| Eidsvoll videregående skole | Akershus, Norway | 1 | 1 | 0 | 1989-09-22 |
| Hadeland videregående skole/Avdeling Brandbu | Innlandet, Norway | 1 | 1 | 0 | 1992-06-01 |
| Kirkeparken videregående skole | Østfold, Norway | 1 | 1 | 0 | 1989-09-04 |
| Losby besøksgård | Akershus, Norway | 1 | 1 | 0 | 2002-05-23 |
| Solheim skole | Akershus, Norway | 1 | 1 | 0 | 2002-05-23 |
| Benterud skole | Akershus, Norway | 1 | 1 | 0 | 2002-05-23 |
| Åsen skole | Akershus, Norway | 1 | 1 | 0 | 2002-05-23 |
| Tarald Stein | Oslo, Norway | 1 | 1 | 1 | 2011-10-06 |