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