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