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