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