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