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