be, arr. leuven, castanea sativa, quercus rubra, pinus sylvestris, prunus serotina, molinia caerulea, carex pilulifera, quercus robur, betula pendula, vaccinium myrtillus, fagus sylvatica, frangula alnus, teucrium scorodonia, calluna vulgaris, avenella flexuosa, sorbus aucuparia, deschampsia flexuosa, pteridium aquilinum, lonicera periclymenum, pinus nigra, agrostis capillaris, juncus effusus, ilex aquifolium, dryopteris carthusiana, dryopteris dilatata, juncus tenuis, pseudotsuga menziesii, rhododendron ponticum, juncus conglomeratus, betula pubescens, erica tetralix, cytisus scoparius, quercus petraea, rumex acetosella, holcus mollis, larix kaempferi, rumex angiocarpus, amelanchier lamarckii, plantago subulata, luzula multiflora, holcus lanatus, convallaria majalis, pinus pinaster, acer pseudoplatanus, athyrium filix-femina, robinia pseudoacacia, danthonia decumbens, hypericum pulchrum, festuca filiformis, pinus strobus, potentilla erecta