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