Family: Vierfamilien (Salicaceae)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2024 | 6 | 26 | 26 | 43 |
| 2023 | 8 | 23 | 23 | 37 |
| 2022 | 7 | 63 | 53 | 136 |
| 2021 | 6 | 42 | 35 | 79 |
| 2020 | 8 | 64 | 40 | 127 |
| 2019 | 3 | 39 | 37 | 62 |
| 2018 | 6 | 26 | 24 | 62 |
| 2017 | 8 | 26 | 24 | 47 |
| 2016 | 12 | 34 | 28 | 67 |
| 2015 | 4 | 43 | 38 | 98 |
| 2014 | 13 | 42 | 41 | 76 |
| 2013 | 8 | 53 | 51 | 96 |
| 2012 | 6 | 53 | 50 | 85 |
| 2011 | 8 | 67 | 62 | 92 |
| 2010 | 9 | 81 | 73 | 132 |
| 2009 | 5 | 61 | 58 | 86 |
| 2008 | 5 | 272 | 252 | 359 |
| 2007 | 5 | 356 | 332 | 425 |
| 2006 | 2 | 17 | 12 | 28 |
| 2005 | 5 | 21 | 19 | 43 |
| 2004 | 4 | 22 | 22 | 37 |
| 2003 | 5 | 20 | 20 | 35 |
| 2002 | 2 | 6 | 6 | 6 |
| 2001 | 3 | 15 | 15 | 28 |
| 2000 | 1 | 1 | 1 | 1 |
| 1999 | 1 | 1 | 1 | 2 |
| 1994 | 1 | 3 | 3 | 3 |
| 1993 | 3 | 3 | 3 | 4 |
| 1991 | 1 | 1 | 1 | 1 |
| 1990 | 3 | 5 | 5 | 7 |
| 1989 | 5 | 11 | 12 | 14 |
| Totalt alle år | 29 | 1074 | 891 | 2318 |