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