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