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