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