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