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, fagus sylvatica, calluna vulgaris, pseudotsuga menziesii, pinus nigra, amelanchier lamarckii, carex pilulifera, lonicera periclymenum, betula pubescens, ceratocapnos claviculata, picea abies, galium saxatile, agrostis capillaris, castanea sativa, ilex aquifolium, pteridium aquilinum, larix kaempferi, rumex angiocarpus, rumex acetosella, vaccinium vitis-idaea, quercus petraea, erica tetralix, teucrium scorodonia, holcus mollis, rubus idaeus, rubus plicatus, juncus effusus, melampyrum pratense, rubus gratus, acer pseudoplatanus, galeopsis tetrahit, populus tremula, pinus strobus, holcus lanatus, maianthemum bifolium, agrostis vinealis, cytisus scoparius, luzula pilosa