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