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