Multiple species (spp.): Peridinium spp.
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Abbortjernet | Innlandet, Norway | 1 | 1 | 0 | 1989-08-22 | |
| Akersvannet | Vestfold, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Buvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-12 | |
| Elgtjern | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-15 | |
| Gravdalsvatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-18 | |
| Grindheimsvatnet | Agder, Norway | 1 | 1 | 0 | 1989-09-19 | |
| Gåstjønna | Nordland, Norway | 1 | 1 | 0 | 1989-09-12 | |
| Haukvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-22 | |
| Hauskjevatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Ibestadvatnet | Troms, Norway | 1 | 1 | 0 | 1989-10-10 | |
| Kolbjørnviksjøen | Østfold, Norway | 1 | 1 | 0 | 1990-08-29 | |
| Korssjøen | Vestfold, Norway | 1 | 1 | 0 | 1989-09-06 | |
| Longvatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-09-06 | |
| Maltjern | Akershus, Norway | 3 | 1 | 0 | 1991-06-12 | |
| Myklebustvannet | Møre og Romsdal, Norway | 2 | 1 | 0 | 1990-06-08 | |
| Nesttunvannet | Vestland, Norway | 1 | 1 | 0 | 1991-06-06 | |
| Nøklevann | Oslo, Norway | 1 | 1 | 0 | 1989-09-15 | |
| Reinsvolldammen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Sagtjernet | Innlandet, Norway | 1 | 1 | 0 | 1989-09-20 | |
| Spildervatnet | Nordland, Norway | 1 | 1 | 0 | 1990-06-07 | |
| Stavsjø | Innlandet, Norway | 1 | 1 | 0 | 1989-09-05 | |
| Stordammen | Akershus, Norway | 1 | 1 | 0 | 1989-09-08 | |
| Store Bjørnevatnet | Agder, Norway | 1 | 1 | 0 | 1989-08-30 | |
| Svanevatnet | Rogaland, Norway | 2 | 1 | 0 | 1990-06-18 | |
| Tveitevannet | Vestland, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Øvre Storfjordvatnet | Nordland, Norway | 1 | 1 | 0 | 1990-05-25 | |