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