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