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