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