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