Species: Ankistrodesmus spiralis
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Arkavatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-08-28 | |
| Buvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-12 | |
| Tretjønnet | Agder, Norway | 1 | 1 | 0 | 1989-09-27 | |
| Årstadtjødne | Rogaland, Norway | 1 | 1 | 0 | 1993-09-20 |
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