Hartvig Nissens skole
| Species | Scientific name | 1999 | 2017 | 2019 | 2020 |
|---|---|---|---|---|---|
| Spanish Slug | Arion vulgaris | 1 | |||
| Common Beech | Fagus sylvatica | 1 | |||
| Filtmispel | Cotoneaster tomentosus | 1 | |||
| Hagelupin | Lupinus polyphyllus | 2 | |||
| Common Hazel | Corylus avellana | 1 | |||
| Honningknoppurt | Centaurea montana | 1 | |||
| Kanadagullris | Solidago canadensis | 6 | |||
| Lawsonsypress | Chamaecyparis lawsoniana | 2 | |||
| Parkslirekne | Reynoutria japonica | 1 | |||
| Sycamore | Acer pseudoplatanus | 5 | |||
| Rynkerose | Rosa rugosa | 4 | |||
| Sitkagran/lutzgran | Picea sitchensis/×lutzii | 1 | |||
| Småtorskemunn | Chaenorhinum minus | 1 | |||
| Snøklokke | Galanthus nivalis | 1 | |||
| Snøkrokus | Crocus tommasinianus | 1 | |||
| Lilac | Syringa vulgaris | 1 | |||
| White Cedar | Thuja occidentalis | 2 | |||
| Pineappleweed | Matricaria matricarioides | 1 | |||
| Ugrasklokke | Campanula rapunculoides | 1 | |||
| Winter-cress | Barbarea vulgaris | 2 | |||
| Birch | Betula sp. | 1 | |||
| Krepsdyr | Crustacea indet. | 1 | |||
| Encellete dyr | Protozoa indet. | 1 | |||
| Planteriket | Plantae indet. | 1 |
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