Site: Rajakoski
| Species | Scientific name | 2004 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Globe flower | Trollius europaeus | 3 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | |||
| Downy Birch | Betula pubescens | 3 | 9 | 7 | 6 | 4 | 5 | 2 | 2 | 7 | 2 | 3 | 3 | 3 | 2 | |
| Bilberry | Vaccinium myrtillus | 1 | 5 | 4 | 2 | 2 | 2 | 1 | 1 | 4 | 2 | 2 | 2 | 1 | 1 | |
| Bluethroat | Luscinia svecica | 2 | 1 | 1 | 1 | 1 | 1 | 1 | ||||||||
| Labrador-tea | Rhododendron tomentosum | 3 | 2 | 1 | 1 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | |||
| Rosebay Willowherb | Epilobium angustifolium | 2 | 5 | 4 | 2 | 2 | 2 | 1 | 1 | 4 | 2 | 1 | 2 | |||
| Common Cuckoo | Cuculus canorus | 3 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | ||||
| White Wagtail | Motacilla alba | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Willow Warbler | Phylloscopus trochilus | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |||||
| Cloudberry | Rubus chamaemorus | 2 | 6 | 3 | 3 | 2 | 1 | 2 | 1 | 2 | 2 | 2 | 2 | 1 | ||
| Rowan | Sorbus aucuparia | 3 | 6 | 7 | 8 | 3 | 5 | 2 | 3 | 9 | 3 | 4 | 3 | 3 | 2 | |
| Arctic Tern | Sterna paradisaea | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |||||
| Dwarf Cornel | Chamaepericlymenum suecicum | 1 | 6 | 4 | 3 | 2 | 2 | 1 | 1 | 4 | 2 | 2 | 1 | 1 | 1 | |
| Snow bunting | Plectrophenax nivalis | 1 | 3 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Cowberry | Vaccinium vitis-idaea | 2 | 5 | 4 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | |
| Bumble-bee | Bombus sp. | 1 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Ant | Formica sp. | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Mosquito | Culicidae indet. | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
