Genus: Quadrigula
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Abbortjernet | Innlandet, Norway | 2 | 2 | 0 | 1989-08-22 | |
| Akersvannet | Vestfold, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Arkavatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-08-28 | |
| Bergvikvatnet | Nordland, Norway | 2 | 1 | 0 | 1990-09-04 | |
| Elgtjern | Trøndelag, Norway | 1 | 1 | 0 | 1990-05-25 | |
| Gravdalsvatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-18 | |
| Gullerudtjern | Buskerud, Norway | 2 | 2 | 0 | 1989-09-13 | |
| Harestuvannet | Akershus, Norway | 1 | 1 | 0 | 1993-09-13 | |
| Hauskjevatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Hegglandsvatnet | Vestland, Norway | 1 | 1 | 0 | 1991-09-12 | |
| Hostadvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Imetjønn | Agder, Norway | 2 | 2 | 0 | 1989-10-06 | |
| Kjemsjøen | Innlandet, Norway | 1 | 1 | 0 | 1991-09-05 | |
| Korssjøen | Vestfold, Norway | 6 | 3 | 0 | 1994-09-05 | |
| Kvitblikkvannet | Nordland, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Laupen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-27 | |
| Lauvtjønna | Trøndelag, Norway | 1 | 1 | 0 | 1993-09-06 | |
| Maltjern | Akershus, Norway | 2 | 1 | 0 | 1991-06-12 | |
| Moensvatnet | Vestland, Norway | 1 | 1 | 0 | 1989-11-07 | |
| Molbekktjernet | Østfold, Norway | 1 | 1 | 0 | 1989-09-04 | |
| Nøklevann | Oslo, Norway | 2 | 2 | 0 | 1990-06-15 | |
| Rossevatn | Rogaland, Norway | 2 | 2 | 0 | 1990-09-25 | |
| Rundvannet | Troms, Norway | 1 | 1 | 0 | 1991-06-18 | |
| Røldalstjørnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Rørvatnet | Møre og Romsdal, Norway | 2 | 2 | 0 | 1989-10-11 | |
| Skarvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Skjelbreidvatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Stavsjø | Innlandet, Norway | 1 | 1 | 0 | 1991-10-14 | |
| Stordammen | Akershus, Norway | 1 | 1 | 0 | 1989-09-08 | |
| Svanevatnet | Rogaland, Norway | 1 | 1 | 0 | 1991-06-18 | |
| Tornesvatnet | Rogaland, Norway | 3 | 2 | 0 | 1991-05-30 | |
| Tveitevannet | Vestland, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Øvre Storfjordvatnet | Nordland, Norway | 1 | 1 | 0 | 1989-09-01 | |
Sustain.no is provided by the Norwegian Centre for Science Education