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