be, arr. leuven, ranunculus repens, holcus lanatus, quercus robur, juncus effusus, agrostis capillaris, cerastium fontanum, rumex acetosa, quercus rubra, populus canadensis, prunus serotina, heracleum sphondylium, stellaria graminea, arrhenatherum elatius, ranunculus acris, poa trivialis, lolium perenne, urtica dioica, cirsium arvense, alopecurus pratensis, juncus tenuis, cardamine pratensis, juncus acutiflorus, angelica sylvestris, anthoxanthum odoratum, pilosella aurantiaca, silene coronaria, cirsium palustre, castanea sativa, tanacetum vulgare, trifolium repens, plantago lanceolata, achillea millefolium, holcus mollis, filipendula ulmaria, lotus pedunculatus, galeopsis tetrahit, rumex obtusifolius, lolium multiflorum, persicaria hydropiper, festuca rubra, silene flos-cuculi, galinsoga quadriradiata, hypericum dubium, lysimachia vulgaris, glechoma hederacea, trifolium dubium, juncus conglomeratus, alnus glutinosa, trifolium pratense, lathyrus latifolius