Genus: Pediastrum
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Akersvannet | Vestfold, Norway | 3 | 1 | 0 | 1993-09-16 | |
| Bergvikvatnet | Nordland, Norway | 2 | 1 | 0 | 1990-09-09 | |
| Bogstadvannet | Oslo, Norway | 1 | 1 | 0 | 1993-06-10 | |
| Borrevannet | Vestfold, Norway | 1 | 1 | 0 | 2003-05-19 | |
| Burudvann | Akershus, Norway | 2 | 2 | 0 | 1991-09-12 | |
| Dælivannet | Akershus, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Floen | Vestland, Norway | 1 | 1 | 0 | 1993-10-04 | |
| Gullerudtjern | Buskerud, Norway | 2 | 2 | 0 | 1991-06-06 | |
| Hammervatnet | Trøndelag, Norway | 8 | 3 | 0 | 1996-10-17 | |
| Harestuvannet | Akershus, Norway | 4 | 1 | 0 | 1996-08-30 | |
| Hauskjevatnet | Rogaland, Norway | 2 | 1 | 0 | 1990-05-28 | |
| Hjørungdalsvatnet | Møre og Romsdal, Norway | 2 | 1 | 0 | 1994-09-13 | |
| Hostadvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1990-09-18 | |
| Jarenvannet | Innlandet, Norway | 7 | 2 | 0 | 1996-09-18 | |
| Klevatn | Nordland, Norway | 1 | 1 | 0 | 1993-09-07 | |
| Kolbotnvannet | Akershus, Norway | 2 | 1 | 0 | 1990-05-29 | |
| Korssjøen | Vestfold, Norway | 2 | 1 | 0 | 1994-09-05 | |
| Kristianborgvannet | Vestland, Norway | 1 | 1 | 0 | 1991-06-04 | |
| Kruktjønna | Trøndelag, Norway | 1 | 1 | 0 | 1991-08-28 | |
| Kvitblikkvannet | Nordland, Norway | 1 | 1 | 0 | 1991-09-25 | |
| Ljøgodttjern | Akershus, Norway | 5 | 4 | 0 | 1993-08-30 | |
| Midsjøvannet | Akershus, Norway | 4 | 3 | 0 | 1993-09-19 | |
| Moensvatnet | Vestland, Norway | 1 | 1 | 0 | 1991-10-02 | |
| Mosvatnet | Rogaland, Norway | 8 | 4 | 0 | 1994-09-28 | |
| Myklebustvannet | Møre og Romsdal, Norway | 2 | 1 | 0 | 1991-06-03 | |
| Oltervatnet | Nordland, Norway | 2 | 2 | 0 | 1989-09-14 | |
| Prestvatn | Agder, Norway | 1 | 1 | 0 | 1991-06-10 | |
| Raudsjøen | Trøndelag, Norway | 2 | 1 | 0 | 1990-08-31 | |
| Reinsvolldammen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Rossevatn | Rogaland, Norway | 2 | 2 | 0 | 1990-09-25 | |
| Rundvannet | Troms, Norway | 3 | 1 | 0 | 1994-06-10 | |
| Rørvatnet | Møre og Romsdal, Norway | 2 | 2 | 0 | 1994-06-21 | |
| Sagtjernet | Innlandet, Norway | 3 | 1 | 0 | 1991-09-24 | |
| Sennsjøen | Innlandet, Norway | 1 | 1 | 0 | 1996-09-10 | |
| Sillongen | Innlandet, Norway | 2 | 1 | 0 | 1990-05-22 | |
| Skjelbreidvatnet | Vestland, Norway | 1 | 1 | 0 | 1991-06-06 | |
| Stavsjø | Innlandet, Norway | 6 | 1 | 0 | 1991-10-14 | |
| Storeidvatnet | Nordland, Norway | 1 | 1 | 0 | 1998-09-07 | |
| Sundkilen | Telemark, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Svartaholtjørnet | Vestland, Norway | 1 | 1 | 0 | 1994-05-18 | |
| Svartåstjern | Buskerud, Norway | 2 | 1 | 0 | 1990-09-24 | |
| Tornesvatnet | Rogaland, Norway | 4 | 2 | 0 | 1994-09-05 | |
| Vålåsjøen | Innlandet, Norway | 3 | 2 | 0 | 1990-06-07 | |
| Årstadtjødne | Rogaland, Norway | 1 | 1 | 0 | 1994-09-22 | |
| Årungen | Akershus, Norway | 8 | 3 | 0 | 1996-09-16 | |