Betula pubescens (Downy Birch)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Breivik | Rogaland, Norway | 3 | 1 | 0 | 2012-03-30 | |
| Brennhaugen | Innlandet, Norway | 1 | 1 | 0 | 2013-05-12 | |
| Brentemoen skole | Agder, Norway | 1 | 1 | 0 | 2008-05-16 | |
| bringsverd | Agder, Norway | 1 | 1 | 0 | 2018-01-31 | |
| Brubakken | Trøndelag, Norway | 1 | 1 | 0 | 2007-05-13 | |
| Brubakken, Buvika | Trøndelag, Norway | 1 | 1 | 0 | 2007-05-01 | |
| brumunddal | Innlandet, Norway | 1 | 1 | 0 | 2008-05-01 | |
| Brumunddal | Innlandet, Norway | 1 | 1 | 0 | 2007-05-02 | |
| Brumundelva | Innlandet, Norway | 1 | 1 | 0 | 2007-05-09 | |
| Brunlaveien | Vestfold, Norway | 2 | 1 | 0 | 2004-11-12 | |
| Bryne | Rogaland, Norway | 3 | 1 | 0 | 2001-05-10 | |
| Brønnerud skolehage | Akershus, Norway | 6 | 1 | 0 | 2014-04-23 | |
| Brårud skole | Akershus, Norway | 1 | 1 | 0 | 2001-05-13 | |
| Bråte skole | Akershus, Norway | 2 | 1 | 0 | 2023-04-13 | |
| Buggeland skogen | Rogaland, Norway | 1 | 1 | 0 | 2011-04-26 | |
| Bugøynes Skole | Finnmark, Norway | 3 | 1 | 0 | 2004-06-30 | |
| Bukta | Møre og Romsdal, Norway | 1 | 1 | 0 | 2007-04-12 | |
| Buøy skolegård | Rogaland, Norway | 2 | 1 | 0 | 2004-02-13 | |
| Bygdlandsfjord | Agder, Norway | 1 | 1 | 0 | 2007-04-19 | |
| Byggefelt | Nordland, Norway | 1 | 1 | 0 | 2008-05-26 | |
| Byglandsfjord | Agder, Norway | 3 | 1 | 0 | 2006-06-20 | |
| Byparken Otta | Innlandet, Norway | 1 | 1 | 0 | 2022-09-22 | |
| Byrknes | Vestland, Norway | 11 | 1 | 0 | 2019-04-22 | |
| Byrknes Skule | Vestland, Norway | 5 | 1 | 0 | 2024-04-14 | |
| Bøfjorden | Møre og Romsdal, Norway | 1 | 1 | 0 | 2007-04-20 | |
| Båskar | Nordland, Norway | 1 | 1 | 0 | 2009-05-19 | |
| Båsmoen | Nordland, Norway | 1 | 1 | 0 | 2007-05-25 | |
| Båtsfjord skole | Finnmark, Norway | 1 | 1 | 0 | 2009-06-21 | |
| dalbylykkja | Innlandet, Norway | 1 | 1 | 0 | 2008-04-24 | |
| dale | Rogaland, Norway | 1 | 1 | 0 | 2007-04-22 | |
| Dalen | Nordland, Norway | 1 | 1 | 0 | 2007-05-20 | |
| Daletrædet | Telemark, Norway | 1 | 1 | 0 | 2003-04-25 | |
| Dalsfjorden | Møre og Romsdal, Norway | 1 | 1 | 0 | 2007-04-22 | |
| Dalsøyra | Vestland, Norway | 2 | 1 | 0 | 2022-08-30 | |
| Darbu | Buskerud, Norway | 1 | 1 | 0 | 2008-06-20 | |
| Dovre sentrum | Innlandet, Norway | 1 | 1 | 0 | 2022-09-12 | |
| Drøbak montessoriskole | Akershus, Norway | 1 | 1 | 0 | 2008-04-08 | |
| Dyrkorn | Møre og Romsdal, Norway | 1 | 1 | 0 | 2015-04-11 | |
| Dyrøya | Trøndelag, Norway | 1 | 1 | 0 | 2007-04-19 | |
| Dyster /Eldor | Akershus, Norway | 1 | 1 | 0 | 2008-04-27 | |
| Dæhlen | Innlandet, Norway | 1 | 1 | 0 | 2010-04-17 | |
| Dæliveien 3 | Akershus, Norway | 2 | 1 | 0 | 2024-05-02 | |
| Døle | Østfold, Norway | 1 | 1 | 0 | 2011-05-09 | |
| dåreid | Agder, Norway | 1 | 1 | 0 | 2007-02-06 | |
| Eiabu, Movik | Troms, Norway | 20 | 1 | 0 | 2012-06-19 | |
| Eid | Trøndelag, Norway | 1 | 1 | 0 | 2005-04-18 | |
| Eidbukta | Nordland, Norway | 1 | 1 | 0 | 2007-05-14 | |
| Eide | Rogaland, Norway | 1 | 1 | 0 | 2002-05-10 | |
| Eide | Vestland, Norway | 2 | 1 | 0 | 2009-04-14 | |
| Eidet, 8475 Straumsjøen | Nordland, Norway | 1 | 1 | 0 | 2008-05-27 |