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