Aesculus hippocastanum (Horse-chestnut)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Bakketun | Innlandet, Norway | 9 | 1 | 0 | 2019-05-06 | |
| Bergåsen | Vestfold, Norway | 1 | 1 | 0 | 2022-09-09 | |
| Borgestad | Telemark, Norway | 3 | 1 | 0 | 2024-05-19 | |
| Eidesvegen 15 | Vestland, Norway | 1 | 1 | 1 | 2022-10-04 | |
| Farmannsveien 30 | Vestfold, Norway | 1 | 1 | 0 | 2022-09-02 | |
| Fjelltunvegen, Jørpeland | Rogaland, Norway | 1 | 1 | 1 | 2014-06-03 | |
| Frednes-Sundjordet | Telemark, Norway | 2 | 1 | 0 | 2023-05-27 | |
| Hellerud videregående skole | Oslo, Norway | 4 | 1 | 2 | 2021-10-25 | |
| Hustoft gnr. 150/4 | Rogaland, Norway | 1 | 1 | 0 | 2024-05-26 | |
| Jørpeland | Rogaland, Norway | 1 | 1 | 0 | 2022-09-09 | |
| Langgaten | Rogaland, Norway | 3 | 1 | 3 | 2014-04-17 | |
| Lynghaugparken | Vestland, Norway | 2 | 1 | 2 | 2014-05-22 | |
| Midttun | Trøndelag, Norway | 4 | 1 | 3 | 2010-06-07 | |
| Mosvold | Agder, Norway | 29 | 1 | 0 | 2024-05-24 | |
| Munkehagen | Rogaland, Norway | 1 | 1 | 0 | 2014-05-26 | |
| Nordnes skole | Vestland, Norway | 4 | 1 | 6 | 2010-06-10 | |
| Nygårdsparken | Vestland, Norway | 3 | 1 | 6 | 2010-04-21 | |
| Nærområde til Cicignon skole | Østfold, Norway | 1 | 1 | 0 | 2013-09-05 | |
| Oscarsborg | Akershus, Norway | 5 | 1 | 9 | 2022-10-12 | |
| Porsgrunn sentrum | Telemark, Norway | 2 | 1 | 0 | 2022-05-11 | |
| Rød gård | Vestfold, Norway | 1 | 1 | 0 | 2022-05-11 | |
| Rønningen | Telemark, Norway | 1 | 1 | 0 | 2020-05-28 | |
| Sagemoveien 128 | Agder, Norway | 2 | 1 | 0 | 2019-04-25 | |
| Sandefjord Kilen | Vestfold, Norway | 6 | 1 | 1 | 2022-04-20 | |
| Sandefjordsfjorden | Vestfold, Norway | 5 | 1 | 0 | 2015-04-16 | |
| Skolegården | Rogaland, Norway | 1 | 1 | 1 | 2008-05-28 | |
| Søreide | Vestland, Norway | 3 | 1 | 0 | 2010-05-04 | |
| Valestrand | Vestland, Norway | 2 | 1 | 1 | 2022-09-28 | |
| Vålerenga Skole | Oslo, Norway | 7 | 1 | 8 | 2022-09-30 |