Hydra sp.
| Deltaker | Kommune (fylke) | Ant. obs. | Ant. arter | Ant. bilder | Siste obs. |
|---|---|---|---|---|---|
| Voss gymnas | Vestland, Norway | 2 | 1 | 0 | 1990-10-25 |
| Osterøy vidaregåande skule | Vestland, Norway | 1 | 1 | 0 | 1989-09-28 |
| Fauske videregående skole | Nordland, Norway | 1 | 1 | 0 | 1989-09-14 |
| Askim videregående skole | Østfold, Norway | 1 | 1 | 0 | 1989-09-01 |
| Ås videregående skole | Akershus, Norway | 1 | 1 | 0 | 1989-09-20 |
| Levanger videregående skole | Trøndelag, Norway | 1 | 1 | 0 | 1989-10-08 |
| Hustadvika vidaregåande skole | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-14 |
| Strinda videregående skole | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-27 |
| Elverum videregående skole | Innlandet, Norway | 1 | 1 | 0 | 1989-09-20 |
| Gimle videregående skole, Bergen | Vestland, Norway | 1 | 1 | 0 | 1989-09-14 |
| Hadeland videregående skole/Avdeling Brandbu | Innlandet, Norway | 1 | 1 | 0 | 1991-08-27 |
| Vardafjell videregående skole | Rogaland, Norway | 1 | 1 | 0 | 1989-08-28 |
| Bjertnes videregående skole | Akershus, Norway | 1 | 1 | 0 | 1992-06-12 |