nl, delft en westland, poa trivialis, lolium perenne, ranunculus repens, agrostis stolonifera, trifolium repens, alopecurus geniculatus, elymus repens, holcus lanatus, stellaria media, poa annua, rumex acetosa, ranunculus acris, cerastium holosteoides, alopecurus pratensis, cardamine pratensis, persicaria amphibia, bellis perennis, phalaris arundinacea, glyceria fluitans, cirsium arvense, bromus hordeaceus, dactylis glomerata, phleum pratense, poa pratensis, plantago major, capsella bursa-pastoris, glechoma hederacea, glyceria maxima, polygonum aviculare, lolium pratense, argentina anserina, anthoxanthum odoratum, rumex crispus, scorzoneroides autumnalis, eleocharis palustris, ranunculus sceleratus, persicaria hydropiper, festuca rubra, rumex obtusifolius, juncus articulatus, plantago lanceolata, myosotis scorpioides, trifolium pratense, urtica dioica, agrostis capillaris, phragmites australis, galium palustre, rorippa amphibia, carex hirta, spirodela polyrhiza