crataegus monogyna, prunus spinosa, quercus robur, castanea sativa, corylus avellana, dioscorea communis, hedera helix, holcus mollis, prunus avium, pteridium aquilinum, achillea millefolium, cornus sanguinea, cytisus scoparius, linaria repens, mespilus germanica, poa nemoralis, sambucus nigra, ulex europaeus