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