Tyristrand skole
| Species | Scientific name | 1991 | 2003 | 2010 |
|---|---|---|---|---|
| Downy Birch | Betula pubescens | 3 | ||
| Liverleaf (Blue anemone) | Hepatica nobilis | 1 | ||
| Gråmeitemark | Aporrectodea caliginosa | 1 | ||
| Colt's-foot | Tussilago farfara | 1 | ||
| Wood Anemone | Anemone nemorosa | 1 | 1 | |
| White Wagtail | Motacilla alba | 1 | ||
| Rosameitemark | Aporrectodea rosea | 1 | ||
| Goat Willow | Salix caprea | 1 | ||
| Skogmeitemark | Lumbricus rubellus | 2 | ||
| Stormeitemark | Lumbricus terrestris | 1 | ||
| European Starling | Sturnus vulgaris | 1 | ||
| Dandelion | Taraxacum sp. | 1 | ||
| Meitemark | Lumbricidae indet. | 3 |
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