Betula pubescens (Downy Birch)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Halsnøy skule | Vestland, Norway | 1 | 1 | 0 | 2007-04-12 |
| Leikanger skule | Møre og Romsdal, Norway | 1 | 1 | 0 | 2008-07-17 |
| Nordnes skole | Vestland, Norway | 1 | 1 | 0 | 2006-05-02 |
| Prestfoss skole | Buskerud, Norway | 1 | 1 | 0 | 2008-05-08 |
| Damsgård skole | Vestland, Norway | 1 | 1 | 0 | 2007-04-16 |
| Dalgård skole | Trøndelag, Norway | 1 | 1 | 1 | 2013-06-13 |
| Bergsdalen skule | Vestland, Norway | 1 | 1 | 0 | 2008-06-04 |
| Bergen Vitensenter | Vestland, Norway | 1 | 1 | 0 | 2007-05-08 |
| Steinerskolen i Hurum | Akershus, Norway | 1 | 1 | 1 | 2006-08-24 |
| Lianvatnet skole/Skoleavdelingen Bup-Klinikk | Trøndelag, Norway | 1 | 1 | 0 | 2006-05-12 |
| ETIKKTAKK | Oslo, Norway | 1 | 1 | 0 | 2007-04-14 |
| Skotterud skole | Innlandet, Norway | 1 | 1 | 1 | 2022-10-31 |
| Røyrvik skole | Trøndelag, Norway | 1 | 1 | 0 | 2007-05-30 |
| Strandebarm skule | Vestland, Norway | 1 | 1 | 0 | 2008-04-25 |
| Jostein Bakke | Telemark, Norway | 1 | 1 | 0 | 2007-04-13 |
| Maritha | Rogaland, Norway | 1 | 1 | 0 | 2007-04-16 |
| Tana Montessoriskole | Finnmark, Norway | 1 | 1 | 0 | 2007-06-07 |
| Arne Gjære | Møre og Romsdal, Norway | 1 | 1 | 0 | 2009-04-14 |
| Bjørheimsbygd skule | Rogaland, Norway | 1 | 1 | 0 | 2007-06-04 |
| Haugland skole | Vestland, Norway | 1 | 1 | 0 | 2012-03-27 |
| Årengen skole | Innlandet, Norway | 1 | 1 | 0 | 2008-04-26 |
| Grav skole | Akershus, Norway | 1 | 1 | 0 | 2007-04-13 |
| Lunner barneskole | Akershus, Norway | 1 | 1 | 0 | 2007-04-27 |
| Skjomen skole | Nordland, Norway | 1 | 1 | 0 | 2008-05-05 |
| Høvik Verk skole | Akershus, Norway | 1 | 1 | 0 | 2007-04-24 |
| Oppstryn skule | Vestland, Norway | 1 | 1 | 0 | 2003-04-24 |
| mary jansrud | Innlandet, Norway | 1 | 1 | 0 | 2007-05-03 |
| Erling Magne Gudbrands | Telemark, Norway | 1 | 1 | 0 | 2007-04-17 |
| Thomas Jerving | Vestland, Norway | 1 | 1 | 0 | 2007-04-17 |
| Ole Trygve Foseide | Trøndelag, Norway | 1 | 1 | 0 | 2007-05-13 |
| Ann Kristin Sjøvold | Innlandet, Norway | 1 | 1 | 0 | 2007-05-25 |
| Bjørg Ingunn Langeland | Vestland, Norway | 1 | 1 | 0 | 2007-04-15 |
| Silje Holden Birkeland | Rogaland, Norway | 1 | 1 | 0 | 2007-04-20 |
| margit øvrelid | Møre og Romsdal, Norway | 1 | 1 | 0 | 2007-04-25 |
| Henrik Olaisen | Trøndelag, Norway | 1 | 1 | 0 | 2007-04-15 |
| Meling skule | Vestland, Norway | 1 | 1 | 0 | 2001-05-14 |
| Leif Ragnar Fiske | Vestland, Norway | 1 | 1 | 0 | 2007-04-17 |
| Erik og Ronja Skjærvø | Trøndelag, Norway | 1 | 1 | 0 | 2007-04-22 |
| Embla Pauline | Troms, Norway | 1 | 1 | 0 | 2007-05-12 |
| Ingrid V. Walland | Rogaland, Norway | 1 | 1 | 0 | 2012-06-26 |
| Atle og Ingunn Norstad | Innlandet, Norway | 1 | 1 | 0 | 2007-05-17 |
| Anne Syrdahl Grette | Akershus, Norway | 1 | 1 | 0 | 2007-04-14 |
| Nina | Akershus, Norway | 1 | 1 | 0 | 2007-04-25 |
| Oddvar Ertsås | Akershus, Norway | 1 | 1 | 1 | 2007-04-15 |
| Ann Britt Pilegaard-Simonsen | Nordland, Norway | 1 | 1 | 0 | 2007-05-24 |
| Henry Johnsen | Innlandet, Norway | 1 | 1 | 0 | 2007-04-27 |
| Steinar Reigstad | Vestland, Norway | 1 | 1 | 1 | 2007-04-27 |
| Gunhild Bakke | Innlandet, Norway | 1 | 1 | 0 | 2007-04-19 |
| Rensvik skole | Møre og Romsdal, Norway | 1 | 1 | 0 | 2007-04-23 |
| kari petrud | Innlandet, Norway | 1 | 1 | 0 | 2007-04-06 |