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