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