Corylus avellana (Common Hazel)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Jar | Akershus, Norway | 9 | 1 | 0 | 2012-03-01 | |
| Jordet skole | Vestfold, Norway | 3 | 1 | 0 | 2010-04-19 | |
| Kaldnes | Vestfold, Norway | 1 | 1 | 0 | 2007-03-12 | |
| Kildalen Gård, Tveit | Agder, Norway | 1 | 1 | 0 | 2015-02-28 | |
| Kjeldevatnet | Vestland, Norway | 1 | 1 | 0 | 2007-05-30 | |
| Kjerland | Vestland, Norway | 2 | 1 | 0 | 2008-04-17 | |
| Kjøvangen | Akershus, Norway | 2 | 1 | 0 | 2006-08-23 | |
| Knappskog | Vestland, Norway | 3 | 1 | 1 | 2011-04-14 | |
| Kramprudvegen 84 | Innlandet, Norway | 1 | 1 | 0 | 2011-04-11 | |
| Krossleitet | Vestland, Norway | 2 | 1 | 1 | 2014-02-16 | |
| kulturlandskap | Vestland, Norway | 1 | 1 | 0 | 2003-03-11 | |
| Kvingo | Vestland, Norway | 1 | 1 | 0 | 2003-04-29 | |
| Landås | Vestland, Norway | 5 | 1 | 0 | 2006-02-22 | |
| Langmyra skole | Møre og Romsdal, Norway | 1 | 1 | 1 | 2013-05-23 | |
| Lilleskagen | Vestfold, Norway | 1 | 1 | 0 | 2008-02-18 | |
| Lines | Trøndelag, Norway | 1 | 1 | 0 | 2015-04-25 | |
| Litlegjerde | Møre og Romsdal, Norway | 1 | 1 | 0 | 2002-06-04 | |
| lokalmiljø | Rogaland, Norway | 1 | 1 | 0 | 2003-05-15 | |
| Lone | Vestland, Norway | 1 | 1 | 0 | 2002-04-08 | |
| Lønsetbakken | Møre og Romsdal, Norway | 2 | 1 | 0 | 2011-04-01 | |
| Melum | Telemark, Norway | 1 | 1 | 1 | 2017-05-19 | |
| Moahaugen (haugen bak Ytrebygda skole) | Vestland, Norway | 1 | 1 | 1 | 2014-05-16 | |
| Mosvold | Agder, Norway | 35 | 1 | 1 | 2024-02-29 | |
| nedre haga | Akershus, Norway | 1 | 1 | 0 | 2014-08-27 | |
| Nes Verk rundt | Agder, Norway | 7 | 1 | 0 | 2024-03-07 | |
| Nigard Lien | Telemark, Norway | 1 | 1 | 0 | 2017-03-30 | |
| Nordli_Ankerveien | Akershus, Norway | 2 | 1 | 0 | 2014-08-27 | |
| Nordstrand bad | Oslo, Norway | 2 | 1 | 2 | 2015-06-04 | |
| Nærsnes skole | Akershus, Norway | 1 | 1 | 0 | 2008-03-02 | |
| Prestegardsvegen, Seljord sentrum | Telemark, Norway | 3 | 1 | 0 | 2012-03-14 | |
| Re videregående skole | Vestfold, Norway | 1 | 1 | 0 | 2022-09-02 | |
| Renslotunet | Buskerud, Norway | 2 | 1 | 0 | 2010-05-20 | |
| Rosfjord | Agder, Norway | 1 | 1 | 0 | 2004-03-25 | |
| Rudolf Steinerskolen Holtebrekk | Akershus, Norway | 1 | 1 | 0 | 2006-08-24 | |
| Rustad | Oslo, Norway | 1 | 1 | 0 | 2007-04-15 | |
| Rødby | Akershus, Norway | 1 | 1 | 0 | 2014-03-23 | |
| Sagemoveien 128 | Agder, Norway | 1 | 1 | 0 | 2019-03-31 | |
| Sagåsen | Innlandet, Norway | 4 | 1 | 0 | 2015-05-14 | |
| Samnanger ungdomsskule | Vestland, Norway | 2 | 1 | 2 | 2019-09-17 | |
| Sandefjordsfjorden | Vestfold, Norway | 1 | 1 | 0 | 2007-04-13 | |
| Sandnes søndre | Vestfold, Norway | 1 | 1 | 0 | 2013-05-12 | |
| Sandnes søndre | Vestfold, Norway | 4 | 1 | 0 | 2019-04-28 | |
| Seljord | Telemark, Norway | 1 | 1 | 0 | 2010-04-12 | |
| Skolehagen | Vestland, Norway | 1 | 1 | 0 | 2008-03-05 | |
| Sletta | Vestland, Norway | 1 | 1 | 0 | 2005-03-18 | |
| Solbakken | Trøndelag, Norway | 3 | 1 | 0 | 2011-03-20 | |
| Stadion | Agder, Norway | 3 | 1 | 0 | 2003-06-16 | |
| Steinslandsmarka | Vestland, Norway | 1 | 1 | 0 | 2007-03-13 | |
| Straumsnes | Vestland, Norway | 1 | 1 | 0 | 2008-05-07 | |
| tjeltaveien 148 | Rogaland, Norway | 1 | 1 | 0 | 2010-01-31 |