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