Genus: Beech (Fagus)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2024 | 1 | 3 | 3 | 4 |
| 2023 | 1 | 2 | 2 | 4 |
| 2022 | 1 | 23 | 19 | 36 |
| 2021 | 1 | 2 | 2 | 3 |
| 2020 | 1 | 3 | 3 | 3 |
| 2019 | 1 | 4 | 4 | 5 |
| 2018 | 1 | 3 | 3 | 3 |
| 2017 | 1 | 2 | 2 | 3 |
| 2016 | 1 | 2 | 2 | 2 |
| 2015 | 1 | 2 | 2 | 4 |
| 2014 | 1 | 5 | 5 | 8 |
| 2013 | 1 | 4 | 4 | 5 |
| 2012 | 1 | 3 | 3 | 3 |
| 2011 | 1 | 2 | 2 | 3 |
| 2010 | 1 | 5 | 5 | 5 |
| 2009 | 1 | 1 | 1 | 3 |
| 2008 | 1 | 2 | 2 | 3 |
| 2007 | 2 | 2 | 2 | 2 |
| 2004 | 1 | 1 | 1 | 2 |
| Totalt alle år | 2 | 40 | 34 | 101 |