Betula pubescens (Downy Birch)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Jørpeland idrettsanlegg | Rogaland, Norway | 1 | 1 | 0 | 2022-09-08 | |
| Jåstad | Vestland, Norway | 1 | 1 | 0 | 2008-04-07 | |
| Kaiavegen | Vestland, Norway | 3 | 1 | 0 | 2009-04-15 | |
| Kaja | Akershus, Norway | 1 | 1 | 0 | 2007-04-18 | |
| Kaland barne- og ungdomsskule | Vestland, Norway | 2 | 1 | 0 | 2018-05-11 | |
| Kaldfjord skole | Troms, Norway | 9 | 1 | 0 | 2013-05-22 | |
| Kallevik Sør | Rogaland, Norway | 1 | 1 | 0 | 2020-04-22 | |
| kalstadveien | Telemark, Norway | 1 | 1 | 0 | 2007-04-22 | |
| Kalvatræet skole | Vestland, Norway | 31 | 1 | 0 | 2010-05-19 | |
| Karasjok | Finnmark, Norway | 2 | 1 | 0 | 2006-06-20 | |
| Karasjok | Finnmark, Norway | 1 | 1 | 0 | 2015-05-28 | |
| Karlsvikodden | Vestfold, Norway | 5 | 1 | 0 | 2005-04-29 | |
| karlsøya | Østfold, Norway | 1 | 1 | 0 | 2008-05-07 | |
| Kautokeino | Finnmark, Norway | 2 | 1 | 0 | 2006-06-20 | |
| Keilegavlen | Vestland, Norway | 1 | 1 | 0 | 2001-05-02 | |
| Kilbygda | Telemark, Norway | 1 | 1 | 0 | 2007-04-27 | |
| Kildalen Gård, Tveit | Agder, Norway | 2 | 1 | 0 | 2014-04-27 | |
| Kinabyen, Brumunddal | Innlandet, Norway | 4 | 1 | 0 | 2021-05-10 | |
| Kinn | Vestland, Norway | 1 | 1 | 0 | 2008-04-14 | |
| Kirkebygden barne- og ungdomsskole | Akershus, Norway | 1 | 1 | 0 | 2022-09-15 | |
| Kirkenes skole | Finnmark, Norway | 6 | 1 | 0 | 2011-08-28 | |
| Kirkevoll barne- og ungdomsskole | Vestland, Norway | 3 | 1 | 0 | 2020-05-11 | |
| Kirsebærveien 23 I hagen | Agder, Norway | 1 | 1 | 0 | 2020-04-15 | |
| Kise | Innlandet, Norway | 3 | 1 | 0 | 2003-10-28 | |
| kisevegen | Innlandet, Norway | 1 | 1 | 0 | 2007-04-06 | |
| Kjeldevatnet | Vestland, Norway | 24 | 2 | 3 | 2022-09-02 | |
| Kjelling | Nordland, Norway | 3 | 1 | 0 | 2011-04-26 | |
| Kjerland | Vestland, Norway | 1 | 1 | 1 | 2022-09-28 | |
| Kjækan | Troms, Norway | 2 | 1 | 0 | 2010-05-16 | |
| Kjøremsgrende | Innlandet, Norway | 3 | 1 | 0 | 2006-06-20 | |
| Klemmetsrudveien 16 m. omegn | Akershus, Norway | 1 | 1 | 0 | 2007-12-22 | |
| Klett | Trøndelag, Norway | 1 | 1 | 0 | 2008-04-26 | |
| Klokkerenga 19 | Buskerud, Norway | 1 | 1 | 0 | 2014-04-18 | |
| Klovsteinsvegen 15 | Rogaland, Norway | 1 | 1 | 0 | 2022-09-09 | |
| Kløfta | Trøndelag, Norway | 1 | 1 | 0 | 2001-05-23 | |
| Kløvervegen | Troms, Norway | 1 | 1 | 0 | 2007-05-12 | |
| Kløverveien | Rogaland, Norway | 2 | 1 | 0 | 2022-09-09 | |
| Kløvheim | Vestland, Norway | 1 | 1 | 0 | 2008-05-20 | |
| Knappskog | Vestland, Norway | 2 | 1 | 0 | 2010-04-30 | |
| Knappskog skule | Vestland, Norway | 2 | 1 | 0 | 2009-04-15 | |
| Knatten, Røysing | Trøndelag, Norway | 1 | 1 | 0 | 2008-08-17 | |
| Knestang | Buskerud, Norway | 3 | 1 | 0 | 2014-04-21 | |
| Kobberstad | Finnmark, Norway | 1 | 1 | 0 | 2021-09-22 | |
| Kongleveien | Finnmark, Norway | 3 | 1 | 0 | 2023-09-25 | |
| Kongsheia | Rogaland, Norway | 1 | 1 | 0 | 2019-04-23 | |
| Konnerud | Buskerud, Norway | 1 | 1 | 0 | 2007-04-14 | |
| Kopperud skole | Innlandet, Norway | 1 | 1 | 0 | 2021-04-14 | |
| Korsbrekkeosen | Møre og Romsdal, Norway | 1 | 1 | 0 | 2007-04-25 | |
| Korsegarden | Østfold, Norway | 1 | 1 | 0 | 2022-09-07 | |
| Korsfjord | Finnmark, Norway | 22 | 1 | 0 | 2007-12-14 |