Hydriomena
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Svein Sellevold Bekkum | Nordland, Norway | 18 | 2 | 3 | 2009-06-28 |
| John Martin Mjelde | Oslo, Norway | 6 | 2 | 3 | 2007-06-21 |
| Dag O. Bollingmo | Trøndelag, Norway | 3 | 1 | 1 | 2009-06-26 |
| Pål Mølnvik | Trøndelag, Norway | 2 | 1 | 1 | 2009-06-17 |
| John Grønning | Rogaland, Norway | 1 | 1 | 1 | 2009-06-12 |
| Leiv Tommas Haugen | Rogaland, Norway | 1 | 1 | 0 | 2004-06-02 |
| Frode Falkenberg | Vestland, Norway | 1 | 1 | 0 | 2009-06-16 |