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