quercus robur, pteridium aquilinum, betula pendula, vaccinium myrtillus, avenella flexuosa, leucobryum glaucum, maianthemum bifolium, mnium hornum, molinia caerulea, quercus rubra, sorbus aucuparia, amelanchier lamarckii, betula pubescens, carex pilulifera, frangula alnus, lonicera periclymenum