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