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