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