be, arr. tongeren, pinus sylvestris, vaccinium myrtillus, quercus robur, betula pendula, sorbus aucuparia, deschampsia flexuosa, frangula alnus, avenella flexuosa, molinia caerulea, prunus serotina, betula pubescens, dryopteris carthusiana, calluna vulgaris, fagus sylvatica, quercus rubra, dryopteris dilatata, lonicera periclymenum, pteridium aquilinum, ilex aquifolium, carex pilulifera, castanea sativa, quercus petraea, ceratocapnos claviculata, erica tetralix, amelanchier lamarckii, agrostis capillaris, pseudotsuga menziesii, galium saxatile, picea abies, juncus effusus, teucrium scorodonia, holcus mollis, pinus nigra, rumex angiocarpus, rumex acetosella, larix kaempferi, melampyrum pratense, populus tremula, vaccinium vitis-idaea, rubus idaeus, hedera helix, corylus avellana, luzula pilosa, rubus plicatus, oxalis acetosella, holcus lanatus, maianthemum bifolium, eriophorum angustifolium, acer pseudoplatanus, athyrium filix-femina