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