Site: Klaus Hansens vei
| Species | Scientific name | 2015 | 2016 | 2017 |
|---|---|---|---|---|
| Bulkemispel | Cotoneaster bullatus | 1 | ||
| Laburnum | Laburnum anagyroides | 1 | ||
| Japanpestrot | Petasites japonicus | 2 | 1 | 1 |
| Giant Hogweed | Heracleum mantegazzianum | 1 | 1 | 3 |
| Parkslirekne | Reynoutria japonica | 1 | 1 | |
| Sycamore | Acer pseudoplatanus | 1 | ||
| Rynkerose | Rosa rugosa | 1 | 1 | 3 |
| Sitka Spruce | Picea sitchensis | 1 | ||
| Skogskjegg | Aruncus dioicus | 1 | 1 | |
| Planteriket | Plantae indet. | 1 |
