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