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