be, arr. leuven, arrhenatherum elatius, heracleum sphondylium, urtica dioica, cirsium arvense, glechoma hederacea, symphytum officinale, poa trivialis, ranunculus repens, alopecurus pratensis, holcus lanatus, dactylis glomerata, galium aparine, ranunculus acris, anthriscus sylvestris, elymus repens, populus canadensis, calystegia sepium, rumex acetosa, lolium perenne, phragmites australis, phalaris arundinacea, plantago lanceolata, angelica sylvestris, vicia cracca, cerastium holosteoides, filipendula ulmaria, agrostis stolonifera, festuca rubra, persicaria amphibia, equisetum arvense, rumex obtusifolius, lathyrus pratensis, trifolium pratense, crataegus monogyna, achillea millefolium, trifolium repens, tanacetum vulgare, phleum pratense, agrostis capillaris, quercus robur, rubus caesius, rumex crispus, centaurea jacea, galeopsis tetrahit, fraxinus excelsior, poa pratensis, stellaria media, sambucus nigra, carex hirta, cardamine pratensis