Thera britannica (Spruce Carpet)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Leiv Tommas Haugen | Rogaland, Norway | 130 | 1 | 4 | 2023-09-22 |
| Alf Tore Mjøs | Rogaland, Norway | 78 | 1 | 14 | 2021-09-18 |
| Frode Falkenberg | Vestland, Norway | 28 | 1 | 3 | 2020-10-28 |
| Kjell Mjølsnes | Rogaland, Norway | 28 | 1 | 1 | 2015-10-10 |
| Olav Krogsæter | Vestland, Norway | 27 | 1 | 6 | 2015-09-21 |
| Even Mjaaland | Rogaland, Norway | 22 | 1 | 0 | 2016-05-31 |
| Eivind Nielsen | Rogaland, Norway | 15 | 1 | 1 | 2023-10-11 |
| Ivar Stormo | Østfold, Norway | 6 | 1 | 3 | 2015-07-21 |
| Håvar Hveding | Rogaland, Norway | 3 | 1 | 0 | 2014-09-30 |
| Odd Hallaråker | Vestland, Norway | 2 | 1 | 3 | 2007-11-01 |
| Ole Terland | Vestland, Norway | 2 | 1 | 2 | 2013-10-16 |
| Anders Lundberg | Vestland, Norway | 2 | 1 | 0 | 2018-08-12 |
| Michael Fredriksen | Vestland, Norway | 2 | 1 | 2 | 2015-10-03 |
| John Stenersen | Nordland, Norway | 1 | 1 | 1 | 2016-08-12 |
| Fredrik Birkeland | Rogaland, Norway | 1 | 1 | 1 | 2015-09-29 |
| Kjell Tore Vogsland | Telemark, Norway | 1 | 1 | 1 | 2008-10-04 |
| John Grønning | Rogaland, Norway | 1 | 1 | 1 | 2007-10-22 |
| Egil Frantzen | Vestland, Norway | 1 | 1 | 0 | 2008-09-06 |
| Ola Moen | Vestland, Norway | 1 | 1 | 0 | 2015-08-23 |
| Eli Gates | Akershus, Norway | 1 | 1 | 1 | 2017-10-01 |
| Sissel og Nigel Goodgame | Vestland, Norway | 1 | 1 | 0 | 2010-08-12 |