Thera britannica (Spruce Carpet)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2008 | 1 | 4 | 4 | 11 |
| 2009 | 1 | 8 | 5 | 74 |
| 2007 | 1 | 4 | 3 | 7 |
| 2010 | 1 | 8 | 7 | 36 |
| 2011 | 1 | 6 | 5 | 21 |
| 2012 | 1 | 5 | 5 | 14 |
| 2023 | 1 | 2 | 2 | 5 |
| 2013 | 1 | 9 | 7 | 32 |
| 2022 | 1 | 1 | 1 | 1 |
| 2014 | 1 | 16 | 10 | 74 |
| 2018 | 1 | 2 | 2 | 5 |
| 2019 | 1 | 2 | 2 | 9 |
| 2021 | 1 | 1 | 1 | 1 |
| 2017 | 1 | 4 | 4 | 13 |
| 2020 | 1 | 2 | 2 | 3 |
| 2015 | 1 | 12 | 10 | 28 |
| 2016 | 1 | 6 | 5 | 19 |
| Totalt alle år | 1 | 43 | 21 | 353 |