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