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