text: pteridium aquilinum, vaccinium myrtillus, quercus petraea, avenella flexuosa, betula pubescens, frangula alnus, holcus mollis, quercus robur, betula pendula, luzula luzuloides, molinia caerulea, populus tremula, sorbus aucuparia, viburnum opulus, lonicera periclymenum