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