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