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