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