Site: Kongsvinger ungdomsskole
| Species | Scientific name | 2006 | 2020 |
|---|---|---|---|
| Spanish Slug | Arion vulgaris | 1 | 3 |
| Hagelupin | Lupinus polyphyllus | 1 | 24 |
| Canada Goose | Branta canadensis | 1 | |
| Giant Hogweed | Heracleum mantegazzianum | 2 | |
| Parkslirekne | Reynoutria japonica | 1 | |
| Russekål | Bunias orientalis | 4 | |
| Rynkerose | Rosa rugosa | 7 | |
| Sitka Spruce | Picea sitchensis | 2 | |
| Skogskjegg | Aruncus dioicus | 2 | |
| Tromsøpalme | Heracleum persicum | 1 | |
| Roman Snail | Helix pomatia | 2 |
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