Osterøy ungdomsskule
| Species | Scientific name | 2009 | 2021 |
|---|---|---|---|
| Bulkemispel | Cotoneaster bullatus | 5 | |
| Krypmispel | Cotoneaster horizontalis | 3 | |
| Sycamore | Acer pseudoplatanus | 2 | |
| Praktmarikåpe | Alchemilla mollis | 1 | |
| Rognspirea | Sorbaria sorbifolia | 1 | |
| Rynkerose | Rosa rugosa | 2 | |
| Sitka Spruce | Picea sitchensis | 2 | |
| Aspergillus sp. | 1 | ||
| Cladosporium sp. | 1 | ||
| Penicillium sp. | 1 |
