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