be, arr. leuven, populus canadensis, ranunculus repens, quercus robur, angelica sylvestris, urtica dioica, holcus lanatus, heracleum sphondylium, filipendula ulmaria, glechoma hederacea, arrhenatherum elatius, cirsium arvense, poa trivialis, juncus effusus, symphytum officinale, alopecurus pratensis, cirsium palustre, agrostis capillaris, galium aparine, stellaria graminea, cardamine pratensis, galeopsis tetrahit, rumex acetosa, ranunculus acris, alnus glutinosa, fraxinus excelsior, sambucus nigra, phragmites australis, phalaris arundinacea, cerastium fontanum, lysimachia vulgaris, lythrum salicaria, lathyrus pratensis, lolium perenne, calystegia sepium, silene flos-cuculi, prunus serotina, crataegus monogyna, equisetum palustre, iris pseudacorus, carex acuta, carex hirta, vicia cracca, agrostis stolonifera, equisetum arvense, rumex obtusifolius, dactylis glomerata, anthoxanthum odoratum, plantago lanceolata, cirsium oleraceum, cerastium holosteoides