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