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