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