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