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