Species: Common Oak (Quercus robur)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2023 | 1 | 1 | 1 | 2 |
| 2022 | 1 | 20 | 14 | 62 |
| 2021 | 1 | 1 | 1 | 2 |
| 2020 | 1 | 1 | 1 | 1 |
| 2018 | 1 | 1 | 1 | 2 |
| 2015 | 1 | 1 | 1 | 4 |
| 2014 | 1 | 1 | 1 | 1 |
| 2012 | 1 | 1 | 1 | 2 |
| 2005 | 1 | 1 | 1 | 1 |
| 2003 | 1 | 1 | 1 | 1 |
| Totalt alle år | 1 | 26 | 20 | 78 |