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