nl, delft en westland, agrostis stolonifera, ranunculus repens, poa trivialis, lolium perenne, trifolium repens, elymus repens, elodea nuttallii, glyceria maxima, stellaria media, glyceria fluitans, poa annua, persicaria amphibia, holcus lanatus, spirodela polyrhiza, alopecurus geniculatus, dactylis glomerata, ranunculus sceleratus, lemna trisulca, cirsium arvense, ranunculus acris, phalaris arundinacea, phragmites australis, polygonum aviculare, cerastium holosteoides, argentina anserina, ceratophyllum demersum, sparganium erectum, phleum pratense, potamogeton pusillus, glechoma hederacea, lemna gibba, rumex acetosa, poa pratensis, alopecurus pratensis, capsella bursa-pastoris, urtica dioica, ranunculus circinatus, eleocharis palustris, plantago major, bellis perennis, bolboschoenus maritimus, butomus umbellatus, stuckenia pectinata, persicaria hydropiper, myosotis scorpioides, rumex crispus, cardamine pratensis, equisetum fluviatile, rumex obtusifolius, juncus articulatus