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