nl, zuidwest-gelderland, lemna minor, agrostis stolonifera, ranunculus repens, spirodela polyrhiza, glyceria maxima, phragmites australis, poa trivialis, elodea nuttallii, lemna trisulca, persicaria amphibia, sparganium erectum, glyceria fluitans, sagittaria sagittifolia, elymus repens, alisma plantago-aquatica, urtica dioica, phalaris arundinacea, cirsium arvense, lolium perenne, potamogeton pusillus, trifolium repens, holcus lanatus, ceratophyllum demersum, hydrocharis morsus-ranae, alopecurus geniculatus, dactylis glomerata, elodea canadensis, equisetum fluviatile, butomus umbellatus, poa annua, potamogeton natans, glechoma hederacea, stellaria media, stuckenia pectinata, alopecurus pratensis, ranunculus sceleratus, polygonum aviculare, ranunculus acris, rumex acetosa, lemna gibba, potamogeton trichoides, myosotis scorpioides, ranunculus circinatus, rumex crispus, phleum pratense, eleocharis palustris, arrhenatherum elatius, rorippa amphibia, equisetum palustre, potamogeton crispus