Petrophora
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Ivar Stormo | Østfold, Norway | 58 | 1 | 2 | 2019-06-20 |
| Olav Krogsæter | Vestland, Norway | 42 | 1 | 9 | 2015-06-13 |
| Even Mjaaland | Rogaland, Norway | 29 | 1 | 3 | 2017-06-13 |
| John Skartveit | Vestland, Norway | 29 | 1 | 1 | 2024-05-19 |
| Frode Falkenberg | Vestland, Norway | 23 | 1 | 4 | 2020-05-22 |
| Anders Lundberg | Vestland, Norway | 19 | 1 | 2 | 2019-05-20 |
| Dag Øivind Ingierd | Akershus, Norway | 17 | 1 | 7 | 2014-05-06 |
| Leiv Tommas Haugen | Rogaland, Norway | 13 | 1 | 0 | 2024-05-10 |
| Eivind Nielsen | Rogaland, Norway | 10 | 1 | 2 | 2023-06-13 |
| John Grønning | Rogaland, Norway | 7 | 1 | 2 | 2013-06-09 |
| Kjell Mjølsnes | Rogaland, Norway | 7 | 1 | 1 | 2010-06-09 |
| Øyvind Stickler | Vestfold, Norway | 4 | 1 | 4 | 2022-06-01 |
| Alf Tore Mjøs | Rogaland, Norway | 3 | 1 | 2 | 2019-05-20 |
| Sveinung Sigbjørnsen | Vestland, Norway | 3 | 1 | 3 | 2024-05-12 |
| Lars Erik Johannessen | Østfold, Norway | 2 | 1 | 2 | 2010-05-23 |
| Ole Terland | Vestland, Norway | 2 | 1 | 2 | 2016-05-18 |
| Jan-Erik Olsen | Østfold, Norway | 1 | 1 | 1 | 2019-05-23 |
| Rune Voie | Vestland, Norway | 1 | 1 | 1 | 2011-05-07 |
| Kjell Meiningen | Oslo, Norway | 1 | 1 | 1 | 2017-05-21 |
| Sissel og Nigel Goodgame | Vestland, Norway | 1 | 1 | 1 | 2013-06-07 |
| Tore Svendsen | Vestland, Norway | 1 | 1 | 1 | 2015-05-12 |
| John Stenersen | Nordland, Norway | 1 | 1 | 1 | 2014-05-22 |
| Egil Frantzen | Vestland, Norway | 1 | 1 | 1 | 2008-05-11 |
| Kjell Tore Vogsland | Telemark, Norway | 1 | 1 | 1 | 2007-05-18 |
| Ola Moen | Vestland, Norway | 1 | 1 | 0 | 2015-06-13 |