Genus: Thuja (Thuja)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Arno Bergs plass | Oslo, Norway | 1 | 1 | 1 | 2020-09-11 | |
| Bergan | Vestfold, Norway | 1 | 1 | 1 | 2020-09-04 | |
| Birkenlund | Agder, Norway | 1 | 1 | 1 | 2020-09-18 | |
| Bryn | Akershus, Norway | 1 | 1 | 1 | 2020-09-17 | |
| Førre | Rogaland, Norway | 1 | 1 | 1 | 2020-09-10 | |
| Gamleveien | Akershus, Norway | 2 | 1 | 2 | 2024-06-05 | |
| Gisketjørn | Rogaland, Norway | 2 | 1 | 2 | 2020-09-15 | |
| Holvikelva | Vestland, Norway | 1 | 1 | 1 | 2020-09-03 | |
| Kjeldneset | Møre og Romsdal, Norway | 1 | 1 | 1 | 2020-09-28 | |
| Klovsteinsbekken | Rogaland, Norway | 1 | 1 | 1 | 2020-09-29 | |
| Larsholla | Agder, Norway | 1 | 1 | 1 | 2020-10-19 | |
| Lonevåg | Vestland, Norway | 2 | 1 | 2 | 2021-06-07 | |
| Lægreid skule | Vestland, Norway | 1 | 1 | 1 | 2010-06-15 | |
| Nabben | Vestfold, Norway | 1 | 1 | 1 | 2020-09-04 | |
| Nordre Vang | Trøndelag, Norway | 1 | 1 | 1 | 2020-09-16 | |
| Nygårdsbakken | Rogaland, Norway | 1 | 1 | 0 | 2022-09-08 | |
| Nærområde til Cicignon skole | Østfold, Norway | 1 | 1 | 0 | 2013-09-05 | |
| Prestegardsmoen | Vestland, Norway | 1 | 1 | 1 | 2020-09-09 | |
| Reset | Rogaland, Norway | 2 | 1 | 2 | 2020-09-10 | |
| Sandbekken | Akershus, Norway | 1 | 1 | 1 | 2024-05-31 | |
| Skarnsundet | Trøndelag, Norway | 1 | 1 | 1 | 2020-09-16 | |
| Skovveien | Oslo, Norway | 1 | 1 | 1 | 2020-09-11 | |
| Skåningsrud | Akershus, Norway | 1 | 1 | 1 | 2020-09-22 | |
| Stend | Vestland, Norway | 6 | 1 | 3 | 2019-05-27 | |
| Stend vidaregåande skule | Vestland, Norway | 1 | 1 | 0 | 2019-06-03 | |
| Tangarlia | Telemark, Norway | 1 | 1 | 1 | 2020-09-30 | |
| Våge skule | Vestland, Norway | 1 | 1 | 0 | 2022-09-02 |
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