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