Melosira cf. islandica
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Tønsberg gymnas | Vestfold, Norway | 1 | 1 | 0 | 1989-09-13 |
| Ski videregående skole | Akershus, Norway | 1 | 1 | 0 | 1993-09-19 |
| Elverum videregående skole | Innlandet, Norway | 1 | 1 | 0 | 1989-09-20 |