Isoperla grammatica
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Meløy videregående skole/Avd Ørnes | Nordland, Norway | 2 | 1 | 0 | 1994-06-02 |
| Hadsel videregående skole/Stokmarknes | Nordland, Norway | 1 | 1 | 0 | 1990-09-04 |
| Nye Voss Vidaregåande skule | Vestland, Norway | 1 | 1 | 0 | 1993-05-13 |