Species: Buttblæresnegl (Physa fontinalis)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Akersvannet | Vestfold, Norway | 1 | 1 | 0 | 1993-09-16 | |
| buskerud landbruksskole | Buskerud, Norway | 1 | 1 | 0 | 2013-08-28 | |
| Harestuvannet | Akershus, Norway | 4 | 1 | 0 | 2004-09-01 | |
| Jarenvannet | Innlandet, Norway | 6 | 1 | 0 | 1993-09-04 | |
| Korssjøen | Vestfold, Norway | 4 | 1 | 0 | 1996-09-09 | |
| Sætertjern | Akershus, Norway | 2 | 1 | 0 | 1996-10-24 | |
| Årungen | Akershus, Norway | 4 | 1 | 0 | 1996-09-16 |