text: pteridium aquilinum, calamagrostis canescens, betula pubescens, picea abies, pinus sylvestris, molinia caerulea, rabelera holostea, quercus robur, angelica sylvestris, asarum europaeum, maianthemum bifolium, populus tremula, potentilla erecta, oxalis acetosella, vaccinium myrtillus