Betula pubescens (Downy Birch)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| 100 meter skogen | Vestland, Norway | 12 | 1 | 0 | 2008-04-11 | |
| 4844 | Agder, Norway | 1 | 1 | 0 | 2022-09-07 | |
| 4844 | Agder, Norway | 1 | 1 | 0 | 2022-09-08 | |
| Aldra | Nordland, Norway | 1 | 1 | 0 | 2016-04-27 | |
| Almåselv | Vestland, Norway | 4 | 1 | 4 | 2015-08-31 | |
| Almåselv | Vestland, Norway | 1 | 1 | 0 | 2015-08-31 | |
| Almåslia | Møre og Romsdal, Norway | 3 | 1 | 0 | 2022-04-21 | |
| Alstad | Nordland, Norway | 2 | 1 | 0 | 2017-04-27 | |
| Alta | Finnmark, Norway | 1 | 1 | 0 | 2007-06-02 | |
| Alta | Finnmark, Norway | 1 | 1 | 0 | 2021-06-02 | |
| Alta ungdomsskole | Finnmark, Norway | 33 | 1 | 2 | 2020-05-27 | |
| Alta, Amtmannsnes | Finnmark, Norway | 1 | 1 | 0 | 2007-06-04 | |
| Alvdal | Innlandet, Norway | 2 | 1 | 0 | 2002-05-08 | |
| Alverflaten | Vestland, Norway | 2 | 1 | 0 | 2014-05-06 | |
| alvoen skole | Vestland, Norway | 1 | 1 | 0 | 2020-04-21 | |
| Alvøen | Vestland, Norway | 1 | 1 | 0 | 2020-04-21 | |
| Alvøen | Vestland, Norway | 1 | 1 | 0 | 2010-04-22 | |
| Alvøen | Vestland, Norway | 1 | 1 | 0 | 2013-04-24 | |
| alvøen | Vestland, Norway | 1 | 1 | 0 | 2013-04-24 | |
| Alvøen | Vestland, Norway | 2 | 1 | 0 | 2020-04-18 | |
| Alvøen | Vestland, Norway | 1 | 1 | 0 | 2013-04-24 | |
| Alvøen | Vestland, Norway | 32 | 1 | 0 | 2020-04-21 | |
| Alvøen skole rundt fotballbanen | Vestland, Norway | 22 | 1 | 5 | 2015-04-30 | |
| Alvøskogen | Vestland, Norway | 19 | 1 | 0 | 2021-05-20 | |
| Amundsbotn | Vestland, Norway | 2 | 1 | 0 | 2010-05-02 | |
| Andsnes | Finnmark, Norway | 1 | 1 | 0 | 2020-06-04 | |
| Arboretet | Vestland, Norway | 1 | 1 | 0 | 2007-05-08 | |
| Arendal | Agder, Norway | 1 | 1 | 0 | 2022-09-26 | |
| Arendal kirkegård | Agder, Norway | 1 | 1 | 0 | 2022-09-06 | |
| Arkavatnet | Rogaland, Norway | 1 | 1 | 0 | 1989-08-28 | |
| Arna | Vestland, Norway | 1 | 1 | 0 | 2007-04-14 | |
| Asakmarka | Akershus, Norway | 13 | 1 | 0 | 2012-05-08 | |
| Asker | Akershus, Norway | 9 | 1 | 0 | 2022-09-21 | |
| askim | Østfold, Norway | 1 | 1 | 0 | 2007-04-17 | |
| askvoll sentrum | Vestland, Norway | 1 | 1 | 0 | 2007-04-15 | |
| Asnes | Vestfold, Norway | 3 | 1 | 0 | 2012-03-29 | |
| Aspelund | Troms, Norway | 1 | 1 | 0 | 2008-05-21 | |
| Atna | Innlandet, Norway | 1 | 1 | 0 | 2007-05-02 | |
| Aurdalslia | Vestland, Norway | 1 | 1 | 1 | 2013-05-28 | |
| Aurdalslia skole | Vestland, Norway | 1 | 1 | 0 | 2012-11-13 | |
| Aurskog | Akershus, Norway | 2 | 1 | 0 | 2008-05-24 | |
| austbøvegen 9 | Rogaland, Norway | 2 | 1 | 0 | 2022-09-09 | |
| Auten | Akershus, Norway | 2 | 1 | 2 | 2022-10-17 | |
| Bakkane | Vestland, Norway | 1 | 1 | 0 | 2022-04-17 | |
| Bakketun | Innlandet, Norway | 20 | 1 | 0 | 2019-04-24 | |
| Balderheim | Vestland, Norway | 5 | 1 | 0 | 2013-05-19 | |
| Bardufoss | Troms, Norway | 2 | 1 | 0 | 2006-06-20 | |
| batnfjord | Møre og Romsdal, Norway | 2 | 1 | 0 | 2020-04-14 | |
| bekk | Buskerud, Norway | 1 | 1 | 0 | 2007-04-14 | |
| Bekk ved Fjelltun | Rogaland, Norway | 2 | 1 | 0 | 2022-09-09 |