Betulaceae
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Jostein Bakke | Telemark, Norway | 4 | 2 | 0 | 2007-04-13 |
| Nordstrand skole | Oslo, Norway | 4 | 3 | 3 | 2015-06-10 |
| Kristian Roaldstveit | Akershus, Norway | 4 | 1 | 0 | 2017-05-05 |
| Steigenskolen Leines | Nordland, Norway | 4 | 1 | 0 | 2009-04-23 |
| Lunde skole | Agder, Norway | 4 | 1 | 2 | 2010-05-04 |
| Anne Marthe Susort | Rogaland, Norway | 4 | 2 | 0 | 2023-01-10 |
| Anders Røynstrand | Vestland, Norway | 4 | 2 | 0 | 2008-05-04 |
| Aurdalslia skole | Vestland, Norway | 4 | 2 | 3 | 2013-05-28 |
| Per Ole Lunden | Innlandet, Norway | 4 | 1 | 0 | 2021-05-10 |
| Bjørn Magne Brattebø | Rogaland, Norway | 4 | 1 | 0 | 2019-04-22 |
| Lars Slettom | Trøndelag, Norway | 4 | 2 | 0 | 2011-03-20 |
| Sandnes skule | Vestland, Norway | 4 | 2 | 0 | 2008-04-18 |
| Bråte skole | Akershus, Norway | 4 | 3 | 0 | 2023-04-13 |
| Frede Thorsheim | Vestland, Norway | 4 | 2 | 1 | 2023-06-03 |
| Sandvollan skole | Trøndelag, Norway | 4 | 1 | 2 | 2010-05-21 |
| Stinta skole barne- og Ungdomstrinnet | Agder, Norway | 4 | 1 | 0 | 2022-09-26 |
| Stokke ungdomsskole | Vestfold, Norway | 4 | 1 | 0 | 2002-10-22 |
| Martin Kvist | Akershus, Norway | 4 | 2 | 0 | 2024-05-02 |
| Magne Solsvik | Vestland, Norway | 4 | 3 | 0 | 2009-05-26 |
| Saksvik skole | Trøndelag, Norway | 4 | 1 | 0 | 2020-03-31 |
| Trengereid skule | Vestland, Norway | 4 | 1 | 0 | 2005-04-20 |
| Skjerping skule | Vestland, Norway | 4 | 2 | 0 | 2007-05-07 |
| Stiklestad skole | Trøndelag, Norway | 4 | 2 | 0 | 2004-04-21 |
| Orstad skule | Rogaland, Norway | 4 | 3 | 0 | 2003-05-15 |
| Bugøynes Oppvekstsenter/Avdeling skole | Finnmark, Norway | 4 | 1 | 0 | 2004-06-30 |
| Kirkebygden barne- og ungdomsskole | Akershus, Norway | 4 | 3 | 0 | 2022-09-15 |
| Vadmyra skole | Vestland, Norway | 3 | 1 | 0 | 2012-04-20 |
| Else Tømmerbakke | Vestland, Norway | 3 | 2 | 0 | 2009-04-16 |
| Fyresdal videregående Steinerskolee | Telemark, Norway | 3 | 1 | 0 | 2008-05-14 |
| Granvin barne- og Undomsskule | Vestland, Norway | 3 | 2 | 3 | 2022-10-26 |
| Skotterud skole | Innlandet, Norway | 3 | 2 | 3 | 2022-10-31 |
| Åstveit skole | Vestland, Norway | 3 | 2 | 0 | 2007-06-06 |
| Arne Geir Trædal | Rogaland, Norway | 3 | 1 | 0 | 2012-03-30 |
| Sandgotna skole | Vestland, Norway | 3 | 2 | 0 | 2016-05-30 |
| Dalsøyra skule | Vestland, Norway | 3 | 2 | 0 | 2022-08-30 |
| Kirkevoll barne- og ungdomsskole | Vestland, Norway | 3 | 1 | 0 | 2020-05-11 |
| Pascale Baudonnel | Vestland, Norway | 3 | 1 | 0 | 2010-05-02 |
| Trond Helge Jensen | Troms, Norway | 3 | 1 | 0 | 2017-06-10 |
| Billefjord Sjøsamiske Oppvekstsenter/Billefjord skole | Finnmark, Norway | 3 | 1 | 1 | 2013-05-22 |
| Hustadvika vidaregåande skole | Møre og Romsdal, Norway | 3 | 2 | 0 | 1993-06-16 |
| Inger Tjong | Nordland, Norway | 3 | 1 | 0 | 2009-05-04 |
| Lars Børge Sæberg | Vestland, Norway | 3 | 1 | 1 | 2013-05-11 |
| Skare barneskule | Vestland, Norway | 3 | 1 | 0 | 2003-09-23 |
| Bykle barne- og ungdomsskule | Agder, Norway | 3 | 1 | 0 | 2003-10-21 |
| Nordbytun ungdomsskole | Akershus, Norway | 3 | 1 | 0 | 2020-04-06 |
| Bryne vidaregåande skule | Rogaland, Norway | 3 | 1 | 0 | 2001-05-10 |
| elizabeth egner | Akershus, Norway | 3 | 1 | 0 | 2012-04-28 |
| Valle skule | Agder, Norway | 3 | 2 | 0 | 2008-04-27 |
| Geiranger skule | Møre og Romsdal, Norway | 3 | 1 | 0 | 2010-04-28 |
| Hammerbakken skole | Akershus, Norway | 3 | 1 | 0 | 2007-05-04 |