Genus: Bitrichia
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Burudvann | Akershus, Norway | 2 | 1 | 0 | 1993-09-14 | |
| Elgtjern | Trøndelag, Norway | 2 | 1 | 0 | 1990-05-25 | |
| Englan | Nordland, Norway | 1 | 1 | 0 | 1996-04-16 | |
| Floen | Vestland, Norway | 2 | 1 | 0 | 1993-10-04 | |
| Gravdalsvatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-18 | |
| Gullerudtjern | Buskerud, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Gåstjønna | Nordland, Norway | 1 | 1 | 0 | 1989-09-12 | |
| Hammervatnet | Trøndelag, Norway | 2 | 1 | 0 | 1990-09-11 | |
| Harestuvannet | Akershus, Norway | 1 | 1 | 0 | 1991-09-13 | |
| Haukvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-22 | |
| Håskjoldtjern | Møre og Romsdal, Norway | 2 | 2 | 0 | 1994-09-21 | |
| Ibestadvatnet | Troms, Norway | 2 | 2 | 0 | 1990-09-11 | |
| Kjemsjøen | Innlandet, Norway | 4 | 1 | 0 | 1991-09-05 | |
| Kolbjørnviksjøen | Østfold, Norway | 1 | 1 | 0 | 1991-09-05 | |
| Korssjøen | Vestfold, Norway | 2 | 1 | 0 | 1990-09-12 | |
| Kruktjønna | Trøndelag, Norway | 1 | 1 | 0 | 1991-08-28 | |
| Laupen | Innlandet, Norway | 3 | 2 | 0 | 1990-09-17 | |
| Lauvtjønna | Trøndelag, Norway | 6 | 1 | 0 | 1994-09-12 | |
| Liavatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-19 | |
| Litlvatnet | Trøndelag, Norway | 2 | 1 | 0 | 1990-09-21 | |
| Longvatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-09-06 | |
| Moensvatnet | Vestland, Norway | 1 | 1 | 0 | 1989-11-07 | |
| Myklavatnet | Vestland, Norway | 1 | 1 | 0 | 1993-09-14 | |
| Nøklevann | Oslo, Norway | 4 | 2 | 0 | 1990-09-11 | |
| Prestvatn | Agder, Norway | 1 | 1 | 0 | 1991-09-05 | |
| Reiarsvatnet | Rogaland, Norway | 1 | 1 | 0 | 1991-09-16 | |
| Reinsvolldammen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Rossevatn | Rogaland, Norway | 3 | 2 | 0 | 1991-09-17 | |
| Rundvannet | Troms, Norway | 8 | 2 | 0 | 1994-09-10 | |
| Røldalstjørnet | Vestland, Norway | 3 | 2 | 0 | 1991-06-01 | |
| Rørvatnet | Møre og Romsdal, Norway | 4 | 1 | 0 | 1991-11-04 | |
| Seljebøvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1991-06-17 | |
| Semsvannet | Akershus, Norway | 1 | 1 | 0 | 1989-09-21 | |
| Skarvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Spildervatnet | Nordland, Norway | 2 | 2 | 0 | 1990-06-07 | |
| Sundkilen | Telemark, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Svanevatnet | Rogaland, Norway | 3 | 2 | 0 | 1991-06-18 | |
| Sælenvannet | Vestland, Norway | 1 | 1 | 0 | 1991-05-04 | |
| Trytetjønnet | Buskerud, Norway | 2 | 1 | 0 | 1990-09-26 | |
| Tveitavatnet | Vestland, Norway | 2 | 1 | 0 | 1990-05-20 | |
| V. Måsane | Akershus, Norway | 3 | 1 | 0 | 1996-08-21 | |
| Vikerauntjønna | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-19 | |
| Vålåsjøen | Innlandet, Norway | 3 | 1 | 0 | 1993-06-09 | |
| Ørsjøen | Innlandet, Norway | 1 | 1 | 0 | 1993-09-02 | |
| Øvre Storfjordvatnet | Nordland, Norway | 1 | 1 | 0 | 1990-08-30 | |
| Åstveitvannet | Vestland, Norway | 2 | 2 | 0 | 1990-09-18 | |
Sustain.no is provided by the Norwegian Centre for Science Education