Pieris
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Øyvind Stickler | Vestfold, Norway | 302 | 3 | 21 | 2023-08-24 |
| Frode Falkenberg | Vestland, Norway | 287 | 3 | 16 | 2023-08-06 |
| Even Mjaaland | Rogaland, Norway | 125 | 3 | 2 | 2017-07-19 |
| John Skartveit | Vestland, Norway | 119 | 3 | 4 | 2023-08-31 |
| Trond Einar Brobakk | Trøndelag, Norway | 107 | 3 | 8 | 2012-08-12 |
| Luís Teixeira | Oslo, Norway | 101 | 4 | 2 | 2019-06-02 |
| Ole Terland | Vestland, Norway | 94 | 3 | 53 | 2023-07-21 |
| Hans Brubak | Akershus, Norway | 83 | 3 | 29 | 2023-05-21 |
| Ivar Stormo | Østfold, Norway | 69 | 3 | 5 | 2019-08-03 |
| Kjell Mjølsnes | Rogaland, Norway | 66 | 3 | 0 | 2017-07-22 |
| Alf Tore Mjøs | Rogaland, Norway | 62 | 3 | 6 | 2022-08-20 |
| Leiv Tommas Haugen | Rogaland, Norway | 62 | 3 | 2 | 2023-09-06 |
| Lars-Henrik Jensen | Vestland, Norway | 57 | 2 | 11 | 2014-09-18 |
| Olav Krogsæter | Vestland, Norway | 55 | 1 | 6 | 2014-05-11 |
| Pål Mølnvik | Trøndelag, Norway | 52 | 3 | 2 | 2014-05-19 |
| Eivind Nielsen | Rogaland, Norway | 42 | 3 | 2 | 2023-05-27 |
| Geirr O Pedersen | Akershus, Norway | 32 | 3 | 0 | 2011-09-15 |
| Lucy Birgitte Liahjell | Agder, Norway | 32 | 2 | 32 | 2023-07-09 |
| Frank Alendal | Rogaland, Norway | 28 | 3 | 5 | 2020-08-13 |
| Egil Frantzen | Vestland, Norway | 27 | 3 | 4 | 2010-07-21 |
| Stein Rui | Vestfold, Norway | 26 | 3 | 14 | 2019-08-24 |
| Lars Erik Johannessen | Østfold, Norway | 18 | 3 | 5 | 2015-08-30 |
| Svein Sellevold Bekkum | Nordland, Norway | 18 | 2 | 0 | 2023-06-30 |
| Geir Birkeland | Oslo, Norway | 17 | 3 | 3 | 2014-06-09 |
| Christer Kamsvåg | Møre og Romsdal, Norway | 17 | 1 | 0 | 2018-05-30 |
| John Stenersen | Nordland, Norway | 16 | 3 | 12 | 2015-07-05 |
| Unni R. Bjerke Gamst | Troms, Norway | 15 | 1 | 0 | 2012-06-19 |
| Gunvor Hustoft | Rogaland, Norway | 14 | 2 | 0 | 2023-04-20 |
| Per Ottar Seglen | Akershus, Norway | 14 | 2 | 1 | 2020-04-09 |
| Ola Moen | Vestland, Norway | 12 | 2 | 1 | 2015-08-18 |
| Ottar Sætre | Møre og Romsdal, Norway | 12 | 2 | 0 | 2024-04-16 |
| Dag Øivind Ingierd | Akershus, Norway | 11 | 3 | 0 | 2020-08-12 |
| Rune Voie | Vestland, Norway | 10 | 3 | 7 | 2011-06-02 |
| Michael Fredriksen | Vestland, Norway | 10 | 2 | 1 | 2014-06-14 |
| Turid og Jarle Bakken | Møre og Romsdal, Norway | 9 | 3 | 10 | 2022-04-19 |
| Charlotte Bakke | Telemark, Norway | 8 | 2 | 0 | 2023-05-08 |
| Marte Falkenberg | Vestland, Norway | 7 | 2 | 0 | 2014-05-10 |
| Peter Forseth | Trøndelag, Norway | 7 | 3 | 0 | 2023-07-11 |
| Frank Lyngvær | Trøndelag, Norway | 6 | 3 | 0 | 2019-06-09 |
| Nils Rogn | Innlandet, Norway | 6 | 3 | 3 | 2017-07-24 |
| Tove Hamre | Innlandet, Norway | 5 | 2 | 0 | 2019-07-11 |
| Arild Breistøl | Vestland, Norway | 5 | 1 | 1 | 2010-07-09 |
| Odd Johan Berland | Vestland, Norway | 5 | 2 | 5 | 2010-07-24 |
| Åsmund Berg | Innlandet, Norway | 5 | 1 | 1 | 2021-06-02 |
| Atle Grimsby | Rogaland, Norway | 5 | 2 | 1 | 2011-05-24 |
| Nils Battin | Agder, Norway | 4 | 2 | 0 | 2022-04-22 |
| Sture Alfred Johansen | Nordland, Norway | 4 | 2 | 4 | 2008-07-07 |
| Jorunn Valle | Vestland, Norway | 4 | 3 | 0 | 2018-09-15 |
| Nina Elisabeth Bøe | Møre og Romsdal, Norway | 4 | 2 | 3 | 2022-05-30 |
| Dag L. Fjeldstad | Rogaland, Norway | 4 | 2 | 0 | 2014-07-10 |