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