Tribelos
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Hjørungdalsvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1991-10-23 | |
| Husavatnet | Vestland, Norway | 2 | 1 | 0 | 1991-09-17 | |
| Korssjøen | Vestfold, Norway | 1 | 1 | 0 | 1989-09-06 | |
| Krussætertjern | Østfold, Norway | 2 | 1 | 0 | 1990-10-23 | |
| Kverndammen | Telemark, Norway | 1 | 1 | 0 | 1991-08-30 | |
| Nøklevann | Oslo, Norway | 1 | 1 | 0 | 1989-09-15 | |
| Stensrudtjern | Oslo, Norway | 1 | 1 | 0 | 1989-09-21 |