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