Species (sp.): Euastrum cf. didelta
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Arkavatnet | Rogaland, Norway | 1 | 1 | 0 | 1994-09-12 | |
| Rundvannet | Troms, Norway | 2 | 1 | 0 | 1990-09-03 | |
| Rørvatnet | Møre og Romsdal, Norway | 2 | 1 | 0 | 1994-06-21 |
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