quercus robur, pteridium aquilinum, hedera helix, lonicera periclymenum, vaccinium myrtillus, sorbus aucuparia, alnus glutinosa, avenella flexuosa, betula pubescens, frangula alnus, maianthemum bifolium, melampyrum pratense, molinia caerulea, prunus padus, quercus rubra, solidago virgaurea