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