Species: Gomphosphaeria lacustris
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Arkavatnet | Rogaland, Norway | 6 | 1 | 0 | 1994-09-12 | |
| Elgtjern | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-15 | |
| Gullerudtjern | Buskerud, Norway | 2 | 1 | 0 | 1990-09-26 | |
| Koltjønna | Trøndelag, Norway | 1 | 1 | 0 | 1991-08-28 | |
| Maltjern | Akershus, Norway | 3 | 1 | 0 | 1991-06-12 | |
| Mosvatnet | Rogaland, Norway | 1 | 1 | 0 | 1991-09-25 | |
| Rossevatn | Rogaland, Norway | 1 | 1 | 0 | 1991-09-17 | |
| Rundvannet | Troms, Norway | 1 | 1 | 0 | 1990-09-03 | |
| Rørvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1991-06-14 | |
| Øksnevadtjørna | Rogaland, Norway | 1 | 1 | 0 | 1991-09-15 | |
| Årungen | Akershus, Norway | 3 | 1 | 0 | 1996-09-16 | |