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