Fraxinus excelsior (Ash)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Rune Nilsen | Agder, Norway | 37 | 1 | 0 | 2024-05-24 |
| Gunvor Hustoft | Rogaland, Norway | 33 | 1 | 0 | 2024-05-05 |
| Haugaland landbruksrådgjeving | Vestland, Norway | 32 | 1 | 0 | 2024-05-08 |
| Bioforsk Midt-Norge | Trøndelag, Norway | 20 | 1 | 0 | 2006-12-05 |
| Tove Hamre | Innlandet, Norway | 8 | 1 | 0 | 2019-05-14 |
| Frans-Emil Wielgolaski | Oslo, Norway | 7 | 1 | 0 | 2012-03-01 |
| Stinta skole barne- og Ungdomstrinnet | Agder, Norway | 6 | 1 | 0 | 2022-09-26 |
| Granvin barne- og Undomsskule | Vestland, Norway | 6 | 1 | 4 | 2022-10-26 |
| Torstad ungdomsskole | Akershus, Norway | 5 | 1 | 0 | 2022-09-07 |
| Mosterøy skole | Rogaland, Norway | 5 | 1 | 4 | 2022-10-21 |
| Haukeland skole | Vestland, Norway | 4 | 1 | 0 | 2022-09-01 |
| Grevlingen skole | Akershus, Norway | 4 | 1 | 1 | 2022-09-13 |
| Stryn vidaregåande skule | Vestland, Norway | 4 | 1 | 0 | 2021-08-24 |
| John Skartveit | Vestland, Norway | 3 | 1 | 1 | 2012-06-12 |
| Oasen skole Birkelid AS | Agder, Norway | 3 | 1 | 1 | 2021-09-03 |
| Universitetet i Stavanger | Rogaland, Norway | 3 | 1 | 0 | 2022-09-06 |
| Borgen ungdomsskole | Akershus, Norway | 3 | 1 | 0 | 2022-09-21 |
| Gjøklep ungdomsskole | Vestfold, Norway | 2 | 1 | 0 | 2022-09-14 |
| Melbu skole | Nordland, Norway | 2 | 1 | 3 | 2022-09-30 |
| Hesnes Montessoriskole | Agder, Norway | 2 | 1 | 0 | 2007-11-01 |
| Lister videregående skole/Avd Kvinesdal | Agder, Norway | 2 | 1 | 0 | 2004-05-28 |
| Fjelltun skole | Rogaland, Norway | 2 | 1 | 0 | 2022-09-08 |
| Skeiene ungdomsskole | Rogaland, Norway | 2 | 1 | 0 | 2022-09-12 |
| Li skole | Akershus, Norway | 2 | 1 | 0 | 2013-06-07 |
| Gunnar Hamre | Vestland, Norway | 2 | 1 | 0 | 2013-06-01 |
| Anne Marthe Susort | Rogaland, Norway | 2 | 1 | 0 | 2023-01-10 |
| Mardon Hjelle | Møre og Romsdal, Norway | 2 | 1 | 0 | 2008-10-09 |
| Tomrefjord skule | Møre og Romsdal, Norway | 2 | 1 | 5 | 2022-10-21 |
| Re videregående skole | Vestfold, Norway | 2 | 1 | 0 | 2022-09-02 |
| Kjell Arne Olsen | Vestfold, Norway | 2 | 1 | 0 | 2022-05-18 |
| Høyjord skole | Vestfold, Norway | 2 | 1 | 0 | 2003-04-28 |
| Else Tømmerbakke | Vestland, Norway | 2 | 1 | 0 | 2008-05-12 |
| Liv Nygård | Vestland, Norway | 2 | 1 | 0 | 2008-05-10 |
| Stiftelsen Soon Sjøskole | Akershus, Norway | 2 | 1 | 1 | 2022-10-17 |
| Ole Andreas Brekkemoen | Agder, Norway | 1 | 1 | 0 | 2019-04-21 |
| Martin Kvist | Akershus, Norway | 1 | 1 | 0 | 2024-04-24 |
| Kjell Arne Olsen | Vestfold, Norway | 1 | 1 | 0 | 2013-05-13 |
| Stend vidaregåande skule | Vestland, Norway | 1 | 1 | 0 | 2017-09-28 |
| Åstveit skole | Vestland, Norway | 1 | 1 | 0 | 2007-06-06 |
| Borge skole | Telemark, Norway | 1 | 1 | 0 | 2011-05-16 |
| Knappskog skule | Vestland, Norway | 1 | 1 | 0 | 2008-09-29 |
| Hjellestad skole | Vestland, Norway | 1 | 1 | 0 | 2007-05-10 |
| Losby besøksgård | Akershus, Norway | 1 | 1 | 1 | 2002-05-12 |
| Kirkelund skole | Østfold, Norway | 1 | 1 | 0 | 2002-02-14 |
| Stasjonsfjellet skole | Oslo, Norway | 1 | 1 | 0 | 2008-05-28 |
| Gamleveien skole | Rogaland, Norway | 1 | 1 | 0 | 2005-08-31 |
| Kråkstad skole | Akershus, Norway | 1 | 1 | 0 | 2009-06-10 |
| Tonstad skule | Agder, Norway | 1 | 1 | 0 | 2010-06-11 |
| Tau ungdomsskole | Rogaland, Norway | 1 | 1 | 0 | 2022-09-02 |
| Hovedgården ungdomsskole | Akershus, Norway | 1 | 1 | 0 | 2005-05-23 |