Ankistrodesmus spiralis
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Vardafjell videregående skole | Rogaland, Norway | 1 | 1 | 0 | 1989-08-28 |
| Stranda vidaregåande skule | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-12 |
| Samfundets skole Egersund | Rogaland, Norway | 1 | 1 | 0 | 1993-09-20 |
| Gimle videregående skole | Agder, Norway | 1 | 1 | 0 | 1989-09-27 |