Subspecies: Dunbjørk (Betula pubescens subsp. pubescens)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Kjeldevatnet | Vestland, Norway | 1 | 1 | 1 | 2022-09-02 | |
| Mjølfjell | Vestland, Norway | 1 | 1 | 0 | 2023-08-24 | |
| Olsvik skole | Vestland, Norway | 1 | 1 | 0 | 2023-09-06 |