Bactra lancealana (Rush Marble)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Kjell Mjølsnes | Rogaland, Norway | 40 | 1 | 0 | 2013-09-11 |
| Even Mjaaland | Rogaland, Norway | 26 | 1 | 3 | 2015-08-15 |
| Leiv Tommas Haugen | Rogaland, Norway | 23 | 1 | 3 | 2023-08-24 |
| Alf Tore Mjøs | Rogaland, Norway | 21 | 1 | 8 | 2021-07-25 |
| Olav Krogsæter | Vestland, Norway | 3 | 1 | 3 | 2014-06-18 |
| Øyvind Stickler | Vestfold, Norway | 3 | 1 | 3 | 2011-08-22 |
| Nils Rogn | Innlandet, Norway | 2 | 1 | 2 | 2022-07-21 |
| John Stenersen | Nordland, Norway | 1 | 1 | 2 | 2014-08-05 |
| Michael Fredriksen | Vestland, Norway | 1 | 1 | 1 | 2010-07-19 |
| John Grønning | Rogaland, Norway | 1 | 1 | 1 | 2010-07-18 |
| Geirr O Pedersen | Akershus, Norway | 1 | 1 | 0 | 2011-07-06 |