Genus: Micrasterias
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Arkavatnet | Rogaland, Norway | 2 | 1 | 0 | 1991-09-12 | |
| Bogstadvannet | Oslo, Norway | 2 | 1 | 0 | 1994-09-15 | |
| Kvitblikkvannet | Nordland, Norway | 1 | 1 | 0 | 1990-09-04 | |
| Litlevatn | Møre og Romsdal, Norway | 1 | 1 | 0 | 1994-09-07 | |
| Mosvatnet | Rogaland, Norway | 2 | 2 | 0 | 1994-09-28 | |
| Raudsjøen | Trøndelag, Norway | 2 | 1 | 0 | 1990-08-31 | |
| Reiarsvatnet | Rogaland, Norway | 1 | 1 | 0 | 1991-09-16 | |
| Rossevatn | Rogaland, Norway | 1 | 1 | 0 | 1991-09-17 | |
| Sennsjøen | Innlandet, Norway | 1 | 1 | 0 | 1996-09-10 | |
| Skjelbreidvatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Spildervatnet | Nordland, Norway | 2 | 1 | 0 | 1990-06-07 | |
| Stordammen | Akershus, Norway | 1 | 1 | 0 | 1989-09-08 | |
| Svartaholtjørnet | Vestland, Norway | 4 | 2 | 0 | 1996-09-17 | |
| Svartåstjern | Buskerud, Norway | 2 | 1 | 0 | 1990-09-24 | |
| Tornesvatnet | Rogaland, Norway | 1 | 1 | 0 | 1990-09-27 | |
| Trytetjønnet | Buskerud, Norway | 1 | 1 | 0 | 1989-09-08 | |
| Øvre Storfjordvatnet | Nordland, Norway | 2 | 2 | 0 | 1991-09-04 | |
| Årstadtjødne | Rogaland, Norway | 2 | 1 | 0 | 1994-09-22 | |
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