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