be, arr. tongeren, quercus robur, sorbus aucuparia, lonicera periclymenum, frangula alnus, betula pubescens, dryopteris carthusiana, molinia caerulea, betula pendula, prunus serotina, deschampsia flexuosa, avenella flexuosa, dryopteris dilatata, quercus rubra, fagus sylvatica, pinus sylvestris, vaccinium myrtillus, pteridium aquilinum, ilex aquifolium, corylus avellana, castanea sativa, ceratocapnos claviculata, holcus mollis, hedera helix, juncus effusus, calluna vulgaris, carex pilulifera, polygonatum multiflorum, rubus idaeus, amelanchier lamarckii, agrostis capillaris, populus tremula, maianthemum bifolium, alnus glutinosa, galeopsis tetrahit, oxalis acetosella, athyrium filix-femina, holcus lanatus, teucrium scorodonia, acer pseudoplatanus, lysimachia vulgaris, sambucus nigra, urtica dioica, rabelera holostea, luzula pilosa, fraxinus excelsior, carpinus betulus, erica tetralix, pseudotsuga menziesii, moehringia trinervia, picea abies