text: quercus robur, pteridium aquilinum, betula pendula, corylus avellana, castanea sativa, fagus sylvatica, hedera helix, hieracium umbellatum, lonicera periclymenum, molinia caerulea, populus tremula, sorbus aucuparia, calamagrostis epigejos, calluna vulgaris, frangula alnus, holcus lanatus, succisa pratensis, teucrium scorodonia, betula pubescens