be, arr. tongeren, quercus robur, sorbus aucuparia, prunus serotina, quercus rubra, betula pendula, dryopteris dilatata, pinus sylvestris, frangula alnus, avenella flexuosa, dryopteris carthusiana, lonicera periclymenum, deschampsia flexuosa, fagus sylvatica, amelanchier lamarckii, vaccinium myrtillus, betula pubescens, molinia caerulea, agrostis capillaris, sambucus nigra, acer pseudoplatanus, ilex aquifolium, galeopsis tetrahit, holcus mollis, rubus gratus, corylus avellana, calluna vulgaris, pseudotsuga menziesii, castanea sativa, carex pilulifera, ceratocapnos claviculata, rubus idaeus, urtica dioica, pteridium aquilinum, holcus lanatus, hedera helix, moehringia trinervia, robinia pseudoacacia, teucrium scorodonia, rumex angiocarpus, polygonatum multiflorum, populus tremula, pinus nigra, juncus effusus, rumex acetosella, prunus avium, picea abies, alnus glutinosa, rubus plicatus, galium aparine, larix kaempferi