be, arr. leuven, quercus robur, agrostis capillaris, holcus lanatus, arrhenatherum elatius, ranunculus repens, stellaria graminea, rumex acetosa, betula pendula, prunus serotina, juncus effusus, anthoxanthum odoratum, cirsium arvense, hieracium umbellatum, achillea millefolium, ranunculus acris, holcus mollis, angelica sylvestris, hypericum perforatum, populus canadensis, heracleum sphondylium, festuca rubra, plantago lanceolata, cerastium fontanum, centaurea jacea, frangula alnus, alopecurus pratensis, quercus rubra, juncus conglomeratus, molinia caerulea, urtica dioica, poa trivialis, tanacetum vulgare, lonicera periclymenum, sorbus aucuparia, galeopsis tetrahit, cirsium palustre, cerastium holosteoides, rumex angiocarpus, hypochaeris radicata, lotus pedunculatus, glechoma hederacea, luzula campestris, dactylis glomerata, lolium perenne, trifolium repens, filipendula ulmaria, alnus glutinosa, trifolium pratense, leucanthemum vulgare, lysimachia vulgaris