be, arr. leuven, populus canadensis, urtica dioica, angelica sylvestris, filipendula ulmaria, quercus robur, ranunculus repens, heracleum sphondylium, symphytum officinale, glechoma hederacea, galium aparine, holcus lanatus, cirsium arvense, poa trivialis, galeopsis tetrahit, alopecurus pratensis, arrhenatherum elatius, alnus glutinosa, phalaris arundinacea, juncus effusus, cirsium palustre, sambucus nigra, calystegia sepium, phragmites australis, fraxinus excelsior, cardamine pratensis, rumex acetosa, iris pseudacorus, lythrum salicaria, ranunculus acris, stellaria graminea, carex acuta, agrostis capillaris, cerastium fontanum, lysimachia vulgaris, crataegus monogyna, humulus lupulus, rumex obtusifolius, ficaria verna, ribes rubrum, lycopus europaeus, equisetum palustre, solanum dulcamara, prunus serotina, silene flos-cuculi, lathyrus pratensis, silene dioica, persicaria hydropiper, agrostis stolonifera, geum urbanum, lolium perenne