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