Species (sp.): Euastrum sp.
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Arkavatnet | Rogaland, Norway | 2 | 1 | 0 | 1990-06-07 | |
| Auklandsvatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-09-15 | |
| Kruktjønna | Trøndelag, Norway | 1 | 1 | 0 | 1991-05-31 | |
| Krussætertjern | Østfold, Norway | 2 | 1 | 0 | 1990-06-01 | |
| Lauvtjønna | Trøndelag, Norway | 3 | 1 | 0 | 1994-09-12 | |
| Longvatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-09-06 | |
| Rundvannet | Troms, Norway | 1 | 1 | 0 | 1991-06-18 | |
| Svartaholtjørnet | Vestland, Norway | 3 | 1 | 0 | 1996-09-17 | |
| Tussvatnet | Nordland, Norway | 2 | 1 | 0 | 1990-06-07 | |
| Ulfsbakktjønn | Vestfold, Norway | 1 | 1 | 0 | 1996-09-25 | |
| Vålåsjøen | Innlandet, Norway | 2 | 1 | 0 | 1990-06-07 | |
| Øvre Storfjordvatnet | Nordland, Norway | 1 | 1 | 0 | 1990-08-30 | |
| Åstveitvannet | Vestland, Norway | 2 | 1 | 0 | 1990-09-18 | |
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