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