Tubificidae
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Meløy videregående skole/Avd Ørnes | Nordland, Norway | 5 | 2 | 0 | 1993-06-10 |
| Kopervik videregående skole | Rogaland, Norway | 4 | 2 | 0 | 1993-05-25 |
| Bryne vidaregåande skule | Rogaland, Norway | 3 | 2 | 0 | 1993-06-01 |
| Eidsvoll videregående skole | Akershus, Norway | 3 | 2 | 0 | 1993-05-27 |
| Meløy videregående skole/Avd Inndyr | Nordland, Norway | 2 | 1 | 0 | 1992-06-02 |
| Bømlo vidaregåande skule | Vestland, Norway | 1 | 1 | 0 | 1990-08-15 |
| Asker videregående skole | Akershus, Norway | 1 | 1 | 0 | 1989-09-21 |
| Levanger videregående skole | Trøndelag, Norway | 1 | 1 | 0 | 1989-10-08 |
| Fusa videregående skole | Vestland, Norway | 1 | 1 | 0 | 1989-09-13 |
| Fauske videregående skole | Nordland, Norway | 1 | 1 | 0 | 1992-09-09 |
| Manglerud videregående skole | Oslo, Norway | 1 | 1 | 0 | 1992-06-11 |
| Vardafjell videregående skole | Rogaland, Norway | 1 | 1 | 0 | 1990-09-27 |