Batrachospermum
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Bjørkelangen videregående skole | Akershus, Norway | 1 | 1 | 0 | 1989-09-26 |
| Tvedestrand og Åmli videregående skole/Avd Åmli | Agder, Norway | 1 | 1 | 0 | 1989-10-06 |
| Bjertnes videregående skole | Akershus, Norway | 1 | 1 | 0 | 2000-09-06 |
| Frydenberg videregående skole | Østfold, Norway | 1 | 1 | 0 | 1989-09-27 |
| Vadsø videregående skole | Finnmark, Norway | 1 | 1 | 0 | 1989-09-14 |