quercus robur, betula pendula, lonicera periclymenum, prunus serotina, frangula alnus, amelanchier lamarckii, avenella flexuosa, betula pubescens, sorbus aucuparia, melampyrum pratense, pteridium aquilinum, maianthemum bifolium, oxalis acetosella, polygonatum multiflorum, rabelera holostea