Species: Scenedesmus quadricauda
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Akersvannet | Vestfold, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Burudvann | Akershus, Norway | 3 | 1 | 0 | 1994-09-20 | |
| Dælivannet | Akershus, Norway | 1 | 1 | 0 | 1989-09-07 | |
| Gravdalsvatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-18 | |
| Klevatn | Nordland, Norway | 1 | 1 | 0 | 1993-09-07 | |
| Lauvtjønna | Trøndelag, Norway | 1 | 1 | 0 | 1993-06-11 | |
| Lianvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-04 | |
| Midsjøvannet | Akershus, Norway | 2 | 1 | 0 | 1993-09-19 | |
| Myklebustvannet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-25 | |
| Spildervatnet | Nordland, Norway | 1 | 1 | 0 | 1993-06-11 | |
| Storavatnet | Vestland, Norway | 1 | 1 | 0 | 1990-08-15 | |
| Stordammen | Akershus, Norway | 1 | 1 | 0 | 1989-09-08 | |
| Årungen | Akershus, Norway | 4 | 1 | 0 | 1994-09-08 | |