be, arr. leuven, castanea sativa, quercus rubra, prunus serotina, quercus robur, betula pendula, pinus sylvestris, sorbus aucuparia, frangula alnus, lonicera periclymenum, calluna vulgaris, vaccinium myrtillus, molinia caerulea, avenella flexuosa, deschampsia flexuosa, teucrium scorodonia, carex pilulifera, fagus sylvatica, dryopteris dilatata, amelanchier lamarckii, pteridium aquilinum, robinia pseudoacacia, agrostis capillaris, ilex aquifolium, betula pubescens, dryopteris carthusiana, corylus avellana, pinus nigra, cytisus scoparius, holcus mollis, silene coronaria, acer pseudoplatanus, rhododendron ponticum, rumex angiocarpus, rumex acetosella, hedera helix, salix caprea, festuca filiformis, hieracium umbellatum, pseudotsuga menziesii, juncus tenuis, sambucus nigra, polygonatum multiflorum, populus tremula, holcus lanatus, juncus effusus, pinus pinaster, prunus avium, erica tetralix, quercus petraea, pilosella aurantiaca