Pediastrum duplex
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Ås videregående skole | Akershus, Norway | 4 | 1 | 0 | 1994-09-08 |
| Levanger videregående skole | Trøndelag, Norway | 3 | 1 | 0 | 1994-06-18 |
| Vardafjell videregående skole | Rogaland, Norway | 2 | 1 | 0 | 1991-09-13 |
| Jessheim videregående skole | Akershus, Norway | 2 | 1 | 0 | 1993-08-30 |
| Melsom videregående skole | Vestfold, Norway | 2 | 1 | 0 | 1993-09-16 |
| Valler videregående skole | Akershus, Norway | 1 | 1 | 0 | 1989-09-07 |
| Nord-Gudbrandsdal vidaregåande skule/Avd Otta | Innlandet, Norway | 1 | 1 | 0 | 1990-06-07 |
| Ski videregående skole | Akershus, Norway | 1 | 1 | 0 | 1992-09-23 |
| Hadeland videregående skole/Avdeling Brandbu | Innlandet, Norway | 1 | 1 | 0 | 1989-08-29 |
| Tønsberg gymnas | Vestfold, Norway | 1 | 1 | 0 | 1989-09-13 |
| Bygland skogskule/KVS Lyngdal | Agder, Norway | 1 | 1 | 0 | 1991-06-10 |