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