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