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