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