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