Species: Anabaena affinis
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Akersvannet | Vestfold, Norway | 1 | 1 | 0 | 1991-09-25 | |
| Arkavatnet | Rogaland, Norway | 1 | 1 | 0 | 1992-09-22 | |
| Bergvikvatnet | Nordland, Norway | 1 | 1 | 0 | 1994-09-13 | |
| Holdalsvatn | Nordland, Norway | 1 | 1 | 0 | 1994-09-05 | |
| Mosvatnet | Rogaland, Norway | 1 | 1 | 0 | 1994-09-28 |