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