Dysstroma truncata (Common Marbled Carpet)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Frode Falkenberg | Vestland, Norway | 164 | 1 | 5 | 2022-07-31 |
| John Skartveit | Vestland, Norway | 113 | 1 | 13 | 2023-09-10 |
| Svein Sellevold Bekkum | Nordland, Norway | 100 | 1 | 8 | 2023-09-03 |
| Even Mjaaland | Rogaland, Norway | 46 | 1 | 2 | 2017-07-19 |
| Olav Krogsæter | Vestland, Norway | 40 | 1 | 14 | 2014-07-02 |
| Alf Tore Mjøs | Rogaland, Norway | 37 | 1 | 9 | 2021-07-29 |
| Anders Lundberg | Vestland, Norway | 36 | 1 | 11 | 2018-09-04 |
| Nils Rogn | Innlandet, Norway | 29 | 1 | 5 | 2017-07-24 |
| Ivar Stormo | Østfold, Norway | 27 | 1 | 4 | 2019-08-15 |
| Geirr O Pedersen | Akershus, Norway | 22 | 1 | 0 | 2011-08-13 |
| Trond Einar Brobakk | Trøndelag, Norway | 20 | 1 | 4 | 2012-09-02 |
| Christer Kamsvåg | Møre og Romsdal, Norway | 20 | 1 | 0 | 2017-09-12 |
| Leiv Tommas Haugen | Rogaland, Norway | 20 | 1 | 0 | 2023-08-24 |
| Kjell Mjølsnes | Rogaland, Norway | 19 | 1 | 1 | 2017-07-26 |
| John Stenersen | Nordland, Norway | 18 | 1 | 28 | 2022-06-14 |
| Ola Moen | Vestland, Norway | 16 | 1 | 0 | 2015-08-23 |
| Pål Mølnvik | Trøndelag, Norway | 14 | 1 | 1 | 2022-07-13 |
| Turid og Jarle Bakken | Møre og Romsdal, Norway | 13 | 1 | 4 | 2015-08-09 |
| Michael Fredriksen | Vestland, Norway | 10 | 1 | 7 | 2014-08-05 |
| Eivind Nielsen | Rogaland, Norway | 10 | 1 | 1 | 2014-07-26 |
| Trond S. Gimre | Agder, Norway | 9 | 1 | 6 | 2008-08-25 |
| Rune Voie | Vestland, Norway | 9 | 1 | 0 | 2011-07-22 |
| Dag Øivind Ingierd | Akershus, Norway | 6 | 1 | 7 | 2012-09-16 |
| Øyvind Stickler | Vestfold, Norway | 6 | 1 | 9 | 2023-07-13 |
| Egil Frantzen | Vestland, Norway | 5 | 1 | 1 | 2008-08-25 |
| Olav Julsrud | Oslo, Norway | 5 | 1 | 4 | 2011-09-15 |
| Sissel og Nigel Goodgame | Vestland, Norway | 5 | 1 | 2 | 2013-07-20 |
| Peter Forseth | Trøndelag, Norway | 3 | 1 | 0 | 2021-07-29 |
| John Grønning | Rogaland, Norway | 3 | 1 | 0 | 2016-08-29 |
| Sveinung Sigbjørnsen | Vestland, Norway | 3 | 1 | 0 | 2016-07-24 |
| John Martin Mjelde | Oslo, Norway | 2 | 1 | 2 | 2007-09-08 |
| Marte Falkenberg | Vestland, Norway | 2 | 1 | 0 | 2010-07-29 |
| Frank Lyngvær | Trøndelag, Norway | 2 | 1 | 1 | 2019-07-27 |
| Hans Brubak | Akershus, Norway | 2 | 1 | 2 | 2013-09-10 |
| Roger Oseid | Innlandet, Norway | 2 | 1 | 2 | 2010-08-09 |
| Kjell Tore Vogsland | Telemark, Norway | 2 | 1 | 2 | 2007-09-29 |
| Jorunn Valle | Vestland, Norway | 1 | 1 | 0 | 2017-09-16 |
| Bjørn Pettersen | Innlandet, Norway | 1 | 1 | 1 | 2010-08-10 |
| Lars-Henrik Jensen | Vestland, Norway | 1 | 1 | 1 | 2009-09-19 |
| Bodil Udstuen | Rogaland, Norway | 1 | 1 | 1 | 2006-06-27 |
| Dag O. Bollingmo | Trøndelag, Norway | 1 | 1 | 2 | 2014-08-13 |
| Arild Breistøl | Vestland, Norway | 1 | 1 | 0 | 2009-09-04 |
| Ole Terland | Vestland, Norway | 1 | 1 | 1 | 2021-06-22 |
| Frank Alendal | Rogaland, Norway | 1 | 1 | 0 | 2012-08-08 |