Species: Small Rivulet (Perizoma alchemillata)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2024 | 1 | 5 | 5 | 7 |
| 2023 | 1 | 4 | 4 | 6 |
| 2022 | 1 | 2 | 2 | 6 |
| 2021 | 1 | 3 | 3 | 11 |
| 2020 | 1 | 4 | 3 | 6 |
| 2019 | 1 | 4 | 4 | 12 |
| 2018 | 1 | 8 | 5 | 22 |
| 2017 | 1 | 11 | 7 | 30 |
| 2016 | 1 | 18 | 13 | 29 |
| 2015 | 1 | 18 | 14 | 30 |
| 2014 | 1 | 23 | 13 | 55 |
| 2013 | 1 | 24 | 12 | 62 |
| 2012 | 1 | 26 | 15 | 59 |
| 2011 | 1 | 23 | 14 | 72 |
| 2010 | 1 | 22 | 12 | 58 |
| 2009 | 1 | 14 | 10 | 50 |
| 2008 | 1 | 12 | 8 | 16 |
| 2007 | 1 | 5 | 3 | 5 |
| 2006 | 1 | 1 | 1 | 1 |
| 1992 | 1 | 1 | 1 | 1 |
| 1991 | 1 | 1 | 1 | 1 |
| Totalt alle år | 1 | 121 | 35 | 539 |