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