Chydorus piger
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Askim videregående skole | Østfold, Norway | 1 | 1 | 0 | 1994-05-27 |
| Ski videregående skole | Akershus, Norway | 1 | 1 | 0 | 1990-09-12 |
| Eidsvoll videregående skole | Akershus, Norway | 1 | 1 | 0 | 1989-09-22 |