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