be, arr. leuven, ranunculus repens, holcus lanatus, urtica dioica, poa trivialis, juncus effusus, heracleum sphondylium, quercus robur, arrhenatherum elatius, rumex acetosa, cirsium arvense, cerastium fontanum, agrostis capillaris, populus canadensis, lolium perenne, galium aparine, prunus serotina, alopecurus pratensis, stellaria graminea, filipendula ulmaria, ranunculus acris, cardamine pratensis, glechoma hederacea, galeopsis tetrahit, angelica sylvestris, quercus rubra, rumex obtusifolius, symphytum officinale, phalaris arundinacea, trifolium repens, plantago lanceolata, alnus glutinosa, cirsium palustre, agrostis stolonifera, lysimachia vulgaris, anthoxanthum odoratum, bidens frondosa, calystegia sepium, lotus pedunculatus, lythrum salicaria, tanacetum vulgare, persicaria hydropiper, iris pseudacorus, holcus mollis, sambucus nigra, dactylis glomerata, phragmites australis, lycopus europaeus, stellaria media, achillea millefolium, lolium multiflorum