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