quercus robur, prunus serotina, holcus mollis, lonicera periclymenum, pteridium aquilinum, avenella flexuosa, betula pendula, convallaria majalis, frangula alnus, sorbus aucuparia, teucrium scorodonia, vaccinium myrtillus, acer pseudoplatanus, betula pubescens, castanea sativa, populus tremula