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