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