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