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