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