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