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