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