Populus tremula (Aspen)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Bioforsk Midt-Norge | Trøndelag, Norway | 22 | 1 | 0 | 2006-12-02 |
| Stryn vidaregåande skule | Vestland, Norway | 21 | 1 | 1 | 2024-05-07 |
| Gunvor Hustoft | Rogaland, Norway | 21 | 1 | 1 | 2024-05-08 |
| Tove Hamre | Innlandet, Norway | 13 | 1 | 0 | 2019-05-22 |
| Åsmund Berg | Innlandet, Norway | 8 | 1 | 2 | 2024-05-13 |
| Gol skule | Buskerud, Norway | 5 | 1 | 0 | 2010-05-20 |
| Vestbygda ungdomsskole | Østfold, Norway | 5 | 1 | 0 | 2022-09-29 |
| Pasvik skole | Finnmark, Norway | 4 | 1 | 5 | 2022-09-30 |
| Skarpengland skole | Agder, Norway | 4 | 1 | 0 | 2022-08-26 |
| Fosslia skole | Trøndelag, Norway | 3 | 1 | 0 | 2022-09-09 |
| Stasjonsfjellet skole | Oslo, Norway | 3 | 1 | 0 | 2011-05-16 |
| Skare barneskule | Vestland, Norway | 3 | 1 | 0 | 2003-09-23 |
| Elly Hardy Bakstad | Vestfold, Norway | 3 | 1 | 0 | 2010-05-02 |
| Rogne skule | Innlandet, Norway | 3 | 1 | 0 | 2004-06-22 |
| Ole Andreas Brekkemoen | Agder, Norway | 2 | 1 | 0 | 2019-05-01 |
| Holmestrand videregående skole | Vestfold, Norway | 2 | 1 | 0 | 1990-09-12 |
| Stranda vidaregåande skule | Møre og Romsdal, Norway | 2 | 1 | 0 | 2009-09-04 |
| Frei ungdomsskole | Møre og Romsdal, Norway | 2 | 1 | 0 | 2001-06-14 |
| Fjell ungdomsskule | Vestland, Norway | 2 | 1 | 0 | 2006-05-08 |
| Sunnylven skule | Møre og Romsdal, Norway | 2 | 1 | 0 | 2005-06-07 |
| Reipå skole | Nordland, Norway | 2 | 1 | 2 | 2022-10-06 |
| Frans-Emil Wielgolaski | Oslo, Norway | 2 | 1 | 0 | 2012-03-01 |
| Høgskolen i Bergen, avd. lærerutdanning | Vestland, Norway | 2 | 1 | 0 | 2006-02-22 |
| Haukeland skole | Vestland, Norway | 2 | 1 | 0 | 2022-09-01 |
| Sælen Oppveksttun avd skole | Vestland, Norway | 2 | 1 | 0 | 2016-04-21 |
| Tau ungdomsskole | Rogaland, Norway | 2 | 1 | 0 | 2022-09-02 |
| Skotterud skole | Innlandet, Norway | 2 | 1 | 2 | 2022-09-01 |
| Hemsedal barne- og ungdomsskule | Buskerud, Norway | 2 | 1 | 0 | 2022-08-25 |
| Nordstrand skole | Oslo, Norway | 2 | 1 | 2 | 2015-06-04 |
| Kjell Arne Olsen | Vestfold, Norway | 2 | 1 | 0 | 2022-05-18 |
| Fjære ungdomsskole | Agder, Norway | 2 | 1 | 0 | 2020-02-05 |
| Anita Karin Jakobsen | Nordland, Norway | 1 | 1 | 0 | 2012-07-21 |
| Minde skole | Vestland, Norway | 1 | 1 | 0 | 2021-08-30 |
| Lægreid skule | Vestland, Norway | 1 | 1 | 1 | 2010-06-15 |
| Stig Fasting | Møre og Romsdal, Norway | 1 | 1 | 0 | 2004-05-27 |
| Bodin videregående skole | Nordland, Norway | 1 | 1 | 0 | 2021-08-31 |
| Kråkstad skole | Akershus, Norway | 1 | 1 | 0 | 2009-08-20 |
| Tor Hoaas | Rogaland, Norway | 1 | 1 | 0 | 2015-06-12 |
| Hovedgården ungdomsskole | Akershus, Norway | 1 | 1 | 0 | 2005-05-23 |
| Skolelaboratoriet i realfag, UiB | Vestland, Norway | 1 | 1 | 2 | 2019-08-29 |
| Bjørlien skole | Akershus, Norway | 1 | 1 | 0 | 2011-05-02 |
| Steinerskolen i Hurum | Akershus, Norway | 1 | 1 | 0 | 2006-08-24 |
| Fauske videregående skole | Nordland, Norway | 1 | 1 | 0 | 1990-06-06 |
| Li skole | Akershus, Norway | 1 | 1 | 0 | 2013-06-07 |
| Kjell Arne Olsen | Vestfold, Norway | 1 | 1 | 0 | 2013-05-17 |
| Einar H Glendrange | Innlandet, Norway | 1 | 1 | 0 | 2013-05-24 |
| Hjellestad skole | Vestland, Norway | 1 | 1 | 0 | 2007-05-10 |
| Magne Flåten | Vestfold, Norway | 1 | 1 | 0 | 2007-03-12 |
| Øvergård montessoriskole | Troms, Norway | 1 | 1 | 1 | 2022-10-20 |
| Vøyenenga skole | Akershus, Norway | 1 | 1 | 0 | 2008-10-22 |