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