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