be, arr. leuven, pinus sylvestris, quercus robur, betula pendula, quercus rubra, prunus serotina, castanea sativa, calluna vulgaris, molinia caerulea, frangula alnus, avenella flexuosa, carex pilulifera, deschampsia flexuosa, sorbus aucuparia, vaccinium myrtillus, agrostis capillaris, teucrium scorodonia, fagus sylvatica, pteridium aquilinum, lonicera periclymenum, pinus nigra, rumex angiocarpus, rumex acetosella, dryopteris carthusiana, dryopteris dilatata, juncus effusus, holcus lanatus, betula pubescens, cytisus scoparius, festuca filiformis, juncus tenuis, holcus mollis, amelanchier lamarckii, hypericum perforatum, danthonia decumbens, ilex aquifolium, luzula multiflora, luzula campestris, juncus conglomeratus, salix caprea, agrostis vinealis, acer pseudoplatanus, erica tetralix, hypochaeris radicata, pseudotsuga menziesii, potentilla erecta, robinia pseudoacacia, hieracium umbellatum, anthoxanthum odoratum, erigeron canadensis, calamagrostis epigejos