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