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