Betula pubescens (Downy Birch)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Midtsida 56 | Innlandet, Norway | 1 | 1 | 0 | 2020-05-12 | |
| min egen hage | Møre og Romsdal, Norway | 1 | 1 | 0 | 2007-04-29 | |
| Mindland | Nordland, Norway | 1 | 1 | 0 | 2007-06-26 | |
| Mjølanskogen | Nordland, Norway | 1 | 1 | 0 | 2010-05-20 | |
| Mjølfjell | Vestland, Norway | 2 | 1 | 2 | 2016-08-26 | |
| Mjølfjell | Vestland, Norway | 1 | 1 | 0 | 2023-08-24 | |
| Mjølfjell, Kleivafjell | Vestland, Norway | 1 | 1 | 1 | 2019-08-28 | |
| Mjøsa | Innlandet, Norway | 1 | 1 | 0 | 2010-05-05 | |
| Moane | Innlandet, Norway | 1 | 1 | 0 | 2007-05-05 | |
| Moe skole | Vestfold, Norway | 4 | 1 | 0 | 2008-05-20 | |
| Moi | Rogaland, Norway | 18 | 1 | 0 | 2023-05-14 | |
| Moldtustranda | Møre og Romsdal, Norway | 1 | 1 | 0 | 2004-05-27 | |
| Mosjøen | Nordland, Norway | 1 | 1 | 0 | 2007-05-14 | |
| Mosseveien | Østfold, Norway | 1 | 1 | 0 | 2007-04-13 | |
| Mosvold | Agder, Norway | 37 | 1 | 1 | 2024-05-07 | |
| Mule Varde | Telemark, Norway | 2 | 1 | 0 | 2020-04-15 | |
| Munkhaugen | Trøndelag, Norway | 2 | 1 | 0 | 2011-05-11 | |
| Muruvik | Trøndelag, Norway | 2 | 1 | 0 | 2009-04-12 | |
| Myravatnet | Vestland, Norway | 1 | 1 | 0 | 2007-05-03 | |
| Myravatnet | Vestland, Norway | 2 | 1 | 0 | 2007-05-16 | |
| Mysen vgs, Gymnasveien 1 | Østfold, Norway | 1 | 1 | 0 | 2018-05-06 | |
| Mørkved | Nordland, Norway | 1 | 1 | 0 | 2021-08-26 | |
| Mørkved - Stenbekk | Innlandet, Norway | 1 | 1 | 0 | 2011-05-02 | |
| Møst | Møre og Romsdal, Norway | 2 | 1 | 1 | 2008-04-27 | |
| Måløy | Vestland, Norway | 1 | 1 | 0 | 2003-04-07 | |
| Mårveien | Innlandet, Norway | 7 | 1 | 0 | 2019-04-27 | |
| Namnå | Innlandet, Norway | 1 | 1 | 0 | 2008-06-04 | |
| Nedre Bardu | Troms, Norway | 1 | 1 | 0 | 2001-06-18 | |
| Nedre Leland | Nordland, Norway | 1 | 1 | 0 | 2016-05-02 | |
| Nedre Sarv | Agder, Norway | 3 | 1 | 0 | 2003-10-21 | |
| Nedre Tveiten | Vestland, Norway | 1 | 1 | 0 | 2007-04-17 | |
| Nerdrum | Akershus, Norway | 8 | 1 | 0 | 2009-05-03 | |
| Nergrenda | Innlandet, Norway | 1 | 1 | 0 | 2015-05-12 | |
| nervei flerbrukshus | Finnmark, Norway | 1 | 1 | 0 | 2007-06-19 | |
| Nes Verk rundt | Agder, Norway | 12 | 1 | 0 | 2024-05-07 | |
| Nes/Kvennvann | Agder, Norway | 1 | 1 | 0 | 2017-04-16 | |
| Nesbyen | Buskerud, Norway | 3 | 1 | 0 | 2006-06-20 | |
| Nesflaten | Rogaland, Norway | 1 | 1 | 0 | 2007-04-26 | |
| Nesset | Møre og Romsdal, Norway | 1 | 1 | 0 | 2003-03-20 | |
| Nesskogen | Vestfold, Norway | 2 | 1 | 0 | 2008-04-27 | |
| Nestjødno | Vestland, Norway | 1 | 1 | 0 | 2008-04-20 | |
| Nigard Lien | Telemark, Norway | 1 | 1 | 0 | 2011-04-25 | |
| Nisi Østre | Telemark, Norway | 1 | 1 | 0 | 2022-03-13 | |
| Nissenskogen | Finnmark, Norway | 1 | 1 | 0 | 2013-05-22 | |
| Nisterud tjern | Telemark, Norway | 1 | 1 | 0 | 2005-09-19 | |
| Nitelva ved Smedstusvingen | Akershus, Norway | 11 | 1 | 0 | 2014-06-13 | |
| Nitelva ved Smedstusvingen | Akershus, Norway | 1 | 1 | 0 | 2014-06-18 | |
| Nord Odal | Innlandet, Norway | 1 | 1 | 0 | 2007-05-28 | |
| Nord-Statland | Trøndelag, Norway | 1 | 1 | 0 | 2024-03-29 | |
| Nordbotten | Vestland, Norway | 3 | 1 | 0 | 2009-04-26 |