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