Genus: Coelastrum
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Bogstadvannet | Oslo, Norway | 1 | 1 | 0 | 1993-06-10 | |
| Granavatnet | Trøndelag, Norway | 1 | 1 | 0 | 1991-09-10 | |
| Hammervatnet | Trøndelag, Norway | 2 | 1 | 0 | 1990-06-11 | |
| Hostadvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Kolbotnvannet | Akershus, Norway | 1 | 1 | 0 | 1991-06-03 | |
| Korssjøen | Vestfold, Norway | 1 | 1 | 0 | 1994-09-05 | |
| Mosvatnet | Rogaland, Norway | 2 | 2 | 0 | 1993-06-03 | |
| Semsvannet | Akershus, Norway | 1 | 1 | 0 | 1993-05-26 | |
| Sillongen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Stavsjø | Innlandet, Norway | 1 | 1 | 0 | 1993-09-24 | |
| Svartaholtjørnet | Vestland, Norway | 1 | 1 | 0 | 1996-09-17 | |
| Årungen | Akershus, Norway | 1 | 1 | 0 | 1994-09-08 | |
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