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