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