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