Species: Chydorus piger
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Fløyta | Akershus, Norway | 1 | 1 | 0 | 1989-09-22 | |
| Ledengstjern | Østfold, Norway | 1 | 1 | 0 | 1994-05-27 | |
| Sætertjern | Akershus, Norway | 1 | 1 | 0 | 1990-09-12 |
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Fløyta | Akershus, Norway | 1 | 1 | 0 | 1989-09-22 | |
| Ledengstjern | Østfold, Norway | 1 | 1 | 0 | 1994-05-27 | |
| Sætertjern | Akershus, Norway | 1 | 1 | 0 | 1990-09-12 |