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