Species: White Cedar (Thuja occidentalis)
| 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 | |
| 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 | |
| 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 | |
| Prestegardsmoen | Vestland, Norway | 1 | 1 | 1 | 2020-09-09 | |
| 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 | |
| Tangarlia | Telemark, Norway | 1 | 1 | 1 | 2020-09-30 | |