Prunus padus (European Bird Cherry)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Unni R. Bjerke Gamst | Troms, Norway | 48 | 1 | 0 | 2012-06-19 |
| Gunvor Hustoft | Rogaland, Norway | 35 | 1 | 0 | 2024-05-04 |
| Rune Nilsen | Agder, Norway | 34 | 1 | 0 | 2024-05-07 |
| Stryn vidaregåande skule | Vestland, Norway | 31 | 2 | 0 | 2024-05-07 |
| Ottar Sætre | Møre og Romsdal, Norway | 21 | 1 | 0 | 2024-05-04 |
| Haugaland landbruksrådgjeving | Vestland, Norway | 21 | 1 | 0 | 2024-05-14 |
| Bioforsk Midt-Norge | Trøndelag, Norway | 21 | 1 | 0 | 2006-12-02 |
| Aurdalslia skole | Vestland, Norway | 20 | 1 | 19 | 2013-05-28 |
| Rogne skule | Innlandet, Norway | 16 | 1 | 0 | 2009-09-07 |
| Kjell Arne Olsen | Vestfold, Norway | 16 | 1 | 0 | 2023-05-14 |
| Nils Battin | Agder, Norway | 13 | 1 | 0 | 2024-05-09 |
| Asak skole | Akershus, Norway | 13 | 1 | 0 | 2012-05-24 |
| Marit Hansen | Trøndelag, Norway | 11 | 1 | 0 | 2018-05-07 |
| Frans-Emil Wielgolaski | Oslo, Norway | 11 | 1 | 0 | 2012-03-01 |
| Sandsli videregående skole | Vestland, Norway | 11 | 1 | 3 | 2013-05-30 |
| Bjørg Vaage | Akershus, Norway | 10 | 1 | 0 | 2023-06-07 |
| Gottfred Labakk | Nordland, Norway | 10 | 1 | 0 | 2016-05-05 |
| Per Torgersen | Akershus, Norway | 9 | 1 | 0 | 2024-05-09 |
| Charlotte Bakke | Telemark, Norway | 9 | 1 | 0 | 2024-05-09 |
| Tove Hamre | Innlandet, Norway | 6 | 1 | 0 | 2014-05-22 |
| Paradis skole | Vestland, Norway | 6 | 1 | 0 | 2013-05-23 |
| Eli Brattland | Nordland, Norway | 6 | 1 | 0 | 2015-06-07 |
| Åsmund Berg | Innlandet, Norway | 6 | 1 | 2 | 2024-05-14 |
| Krohnengen skole | Vestland, Norway | 5 | 1 | 6 | 2013-05-22 |
| Pascale Baudonnel | Vestland, Norway | 5 | 1 | 6 | 2008-05-02 |
| Linesøy skole | Trøndelag, Norway | 5 | 1 | 0 | 2006-06-01 |
| Løvås Oppveksttun/Avd skole | Vestland, Norway | 5 | 1 | 5 | 2014-05-22 |
| Tylldalen skole | Innlandet, Norway | 5 | 1 | 0 | 2016-06-06 |
| Liv Marie Sæther Sandberg | Innlandet, Norway | 5 | 1 | 0 | 2022-05-03 |
| Per Ole Lunden | Innlandet, Norway | 4 | 1 | 0 | 2021-05-22 |
| Olaf Rudi | Innlandet, Norway | 4 | 1 | 0 | 2011-05-15 |
| Sunnylven skule | Møre og Romsdal, Norway | 4 | 1 | 0 | 2010-06-08 |
| Gol skule | Buskerud, Norway | 4 | 1 | 0 | 2010-05-28 |
| Hans Petter Høie | Telemark, Norway | 4 | 1 | 0 | 2012-05-03 |
| Skare barneskule | Vestland, Norway | 3 | 1 | 0 | 2003-09-23 |
| Lister videregående skole/Avd Kvinesdal | Agder, Norway | 3 | 1 | 0 | 2004-05-13 |
| Mari Kjennbakken | Telemark, Norway | 3 | 1 | 0 | 2017-05-06 |
| Anne Grethe Nilsen | Møre og Romsdal, Norway | 3 | 1 | 0 | 2011-05-08 |
| Skien videregående skole/Avd Brekkeby | Telemark, Norway | 3 | 1 | 0 | 2009-05-12 |
| Nordbotten Rune | Vestland, Norway | 3 | 1 | 0 | 2008-04-27 |
| Edin Reinholtsen | Nordland, Norway | 3 | 1 | 0 | 2019-04-27 |
| Elly Hardy Bakstad | Vestfold, Norway | 2 | 1 | 0 | 2010-05-02 |
| Åshild Horseide Svenke | Trøndelag, Norway | 2 | 1 | 0 | 2020-05-22 |
| Ringve videregående skole | Trøndelag, Norway | 2 | 1 | 0 | 2006-05-22 |
| Anders Røynstrand | Vestland, Norway | 2 | 1 | 0 | 2008-05-05 |
| Liv Nygård | Vestland, Norway | 2 | 1 | 0 | 2008-05-10 |
| Synneva Hus | Vestland, Norway | 2 | 1 | 0 | 2007-05-06 |
| Olaf Hunsdal | Troms, Norway | 2 | 1 | 0 | 2013-05-29 |
| Frei ungdomsskole | Møre og Romsdal, Norway | 2 | 1 | 0 | 2001-06-14 |
| Agnar Lund | Innlandet, Norway | 2 | 1 | 0 | 2010-06-26 |