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