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