Species: Staurastrum ophiura
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Bogstadvannet | Oslo, Norway | 1 | 1 | 0 | 1993-09-16 | |
| Raudsjøen | Trøndelag, Norway | 1 | 1 | 0 | 1990-08-31 | |
| Vålåsjøen | Innlandet, Norway | 1 | 1 | 0 | 1989-08-24 |
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