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