Genus: Peridinium
| Område | Kommune (fylke) | Ant. obs. | Ant. arter | Ant. bilder | Siste obs. | |
|---|
| Abbortjernet | Innlandet, Norway | 1 | 1 | 0 | 1989-08-22 | |
| Akersvannet | Vestfold, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Arkavatnet | Rogaland, Norway | 8 | 4 | 0 | 1994-09-12 | |
| Bergvikvatnet | Nordland, Norway | 2 | 1 | 0 | 1994-09-13 | |
| Bogstadvannet | Oslo, Norway | 2 | 1 | 0 | 1994-06-06 | |
| Burudvann | Akershus, Norway | 2 | 1 | 0 | 1993-09-14 | |
| Buvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-12 | |
| Dælivannet | Akershus, Norway | 4 | 4 | 0 | 1991-09-07 | |
| Eidsvatnet | Møre og Romsdal, Norway | 2 | 1 | 0 | 1990-09-12 | |
| Elgtjern | Trøndelag, Norway | 3 | 2 | 0 | 1990-05-25 | |
| Fetvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1990-09-18 | |
| Floen | Vestland, Norway | 1 | 1 | 0 | 1991-10-07 | |
| Fløyta | Akershus, Norway | 1 | 1 | 0 | 1990-06-07 | |
| Granavatnet | Trøndelag, Norway | 1 | 1 | 0 | 1990-05-28 | |
| Gravdalsvatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-18 | |
| Grindheimsvatnet | Agder, Norway | 1 | 1 | 0 | 1989-09-19 | |
| Gullerudtjern | Buskerud, Norway | 1 | 1 | 0 | 1991-06-06 | |
| Gåstjønna | Nordland, Norway | 1 | 1 | 0 | 1989-09-12 | |
| Hammervatnet | Trøndelag, Norway | 3 | 1 | 0 | 1991-10-07 | |
| Harestuvannet | Akershus, Norway | 1 | 1 | 0 | 1994-08-29 | |
| 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 | |
| Imetjønn | Agder, Norway | 1 | 1 | 0 | 1989-10-06 | |
| Jarenvannet | Innlandet, Norway | 1 | 1 | 0 | 1996-09-18 | |
| Kjemsjøen | Innlandet, Norway | 2 | 2 | 0 | 1991-06-10 | |
| Kolbjørnviksjøen | Østfold, Norway | 3 | 2 | 0 | 1991-09-05 | |
| Korssjøen | Vestfold, Norway | 3 | 2 | 0 | 1993-09-09 | |
| Krussætertjern | Østfold, Norway | 1 | 1 | 0 | 1989-09-15 | |
| Kvitblikkvannet | Nordland, Norway | 1 | 1 | 0 | 1991-09-25 | |
| Laksådalsvatnet | Nordland, Norway | 2 | 1 | 0 | 1991-06-05 | |
| Laupen | Innlandet, Norway | 2 | 1 | 0 | 1990-06-01 | |
| Lauvtjønna | Trøndelag, Norway | 4 | 1 | 0 | 1994-09-12 | |
| Litlevatn | Møre og Romsdal, Norway | 2 | 1 | 0 | 1994-09-07 | |
| Longvatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-09-06 | |
| Maltjern | Akershus, Norway | 3 | 1 | 0 | 1991-06-12 | |
| Midsjøvannet | Akershus, Norway | 1 | 1 | 0 | 1993-09-19 | |
| Myklebustvannet | Møre og Romsdal, Norway | 4 | 3 | 0 | 1990-06-08 | |
| Nesttunvannet | Vestland, Norway | 1 | 1 | 0 | 1991-06-06 | |
| Nøklevann | Oslo, Norway | 6 | 3 | 0 | 1990-09-11 | |
| Reiarsvatnet | Rogaland, Norway | 2 | 1 | 0 | 1991-09-16 | |
| Reinsvolldammen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Rossevatn | Rogaland, Norway | 2 | 1 | 0 | 1991-09-17 | |
| Rundvannet | Troms, Norway | 1 | 1 | 0 | 1994-06-10 | |
| Rørvatnet | Møre og Romsdal, Norway | 9 | 2 | 0 | 1994-09-07 | |
| Sagtjernet | Innlandet, Norway | 2 | 2 | 0 | 1990-10-23 | |
| Semsvannet | Akershus, Norway | 2 | 1 | 0 | 1994-05-18 | |
| Spildervatnet | Nordland, Norway | 4 | 2 | 0 | 1991-09-04 | |
| Stavsjø | Innlandet, Norway | 2 | 2 | 0 | 1989-09-05 | |
| Stokkavatnet | Nordland, Norway | 2 | 2 | 0 | 1990-09-18 | |