be, arr. leuven, quercus robur, castanea sativa, quercus rubra, prunus serotina, betula pendula, sorbus aucuparia, lonicera periclymenum, frangula alnus, pinus sylvestris, teucrium scorodonia, deschampsia flexuosa, avenella flexuosa, calluna vulgaris, agrostis capillaris, fagus sylvatica, vaccinium myrtillus, carex pilulifera, molinia caerulea, dryopteris dilatata, acer pseudoplatanus, pteridium aquilinum, corylus avellana, holcus mollis, robinia pseudoacacia, betula pubescens, amelanchier lamarckii, dryopteris carthusiana, cytisus scoparius, sambucus nigra, hedera helix, ilex aquifolium, holcus lanatus, polygonatum multiflorum, rumex angiocarpus, rumex acetosella, prunus avium, salix caprea, juncus effusus, silene coronaria, hieracium umbellatum, populus tremula, pinus nigra, festuca filiformis, hypericum perforatum, athyrium filix-femina, anthoxanthum odoratum, galeopsis tetrahit, luzula campestris, urtica dioica, quercus petraea