Multiple species (spp.): Cyclotella spp.
| Område | Kommune (fylke) | Ant. obs. | Ant. arter | Ant. bilder | Siste obs. | |
|---|
| Dælivannet | Akershus, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Gravdalsvatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-18 | |
| Gullerudtjern | Buskerud, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Haukvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-22 | |
| Hostadvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Ibestadvatnet | Troms, Norway | 1 | 1 | 0 | 1989-10-10 | |
| Jarenvannet | Innlandet, Norway | 2 | 1 | 0 | 1996-09-18 | |
| Kjemsjøen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Kolbjørnviksjøen | Østfold, Norway | 2 | 1 | 0 | 1990-08-29 | |
| Kolbotnvannet | Akershus, Norway | 1 | 1 | 0 | 1990-05-25 | |
| Laupen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-27 | |
| Longvatnet | Rogaland, Norway | 1 | 1 | 0 | 1990-09-28 | |
| Molbekktjernet | Østfold, Norway | 1 | 1 | 0 | 1989-09-04 | |
| Myklebustvannet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-25 | |
| Nøklevann | Oslo, Norway | 1 | 1 | 0 | 1989-09-15 | |
| Reinsvolldammen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Rossevatn | Rogaland, Norway | 1 | 1 | 0 | 1989-09-06 | |
| Sagtjernet | Innlandet, Norway | 1 | 1 | 0 | 1989-09-20 | |
| Semsvannet | Akershus, Norway | 1 | 1 | 0 | 1989-09-21 | |
| Sillongen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Spildervatnet | Nordland, Norway | 2 | 1 | 0 | 1991-09-04 | |
| Steglevannet | Buskerud, Norway | 1 | 1 | 0 | 1989-10-06 | |
| Stordammen | Akershus, Norway | 1 | 1 | 0 | 1989-09-27 | |
| Tveitevannet | Vestland, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Vålåsjøen | Innlandet, Norway | 1 | 1 | 0 | 1989-08-24 | |