Species (sp.): Vier (Salix sp.)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2023 | 1 | 1 | 1 | 1 |
| 2020 | 1 | 1 | 1 | 1 |
| 2016 | 1 | 1 | 1 | 1 |
| 2014 | 1 | 2 | 2 | 3 |
| 2013 | 1 | 1 | 1 | 1 |
| 2012 | 1 | 1 | 1 | 1 |
| 2011 | 1 | 1 | 1 | 1 |
| 2010 | 1 | 1 | 1 | 1 |
| 2009 | 1 | 1 | 1 | 4 |
| 2008 | 1 | 1 | 1 | 2 |
| 2007 | 1 | 1 | 1 | 1 |
| 2005 | 1 | 2 | 2 | 6 |
| 1994 | 1 | 3 | 3 | 3 |
| 1991 | 1 | 1 | 1 | 1 |
| 1990 | 1 | 4 | 4 | 4 |
| 1989 | 1 | 5 | 5 | 5 |
| Totalt alle år | 1 | 25 | 24 | 36 |