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