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