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