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