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