Micrasterias rotata
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Sogndal vidaregåande skule | Vestland, Norway | 3 | 1 | 0 | 1994-05-18 |
| Meløy videregående skole/Avd Ørnes | Nordland, Norway | 2 | 1 | 0 | 1990-06-07 |
| Vest-Lofoten videregående skole / Lofoten Maritime Fagskole | Nordland, Norway | 1 | 1 | 0 | 1991-09-04 |
| Fauske videregående skole | Nordland, Norway | 1 | 1 | 0 | 1990-09-04 |
| Haugesund Maritime Tekniske videregående skole | Rogaland, Norway | 1 | 1 | 0 | 1991-09-16 |
| Numedal videregående skole | Buskerud, Norway | 1 | 1 | 0 | 1989-09-08 |