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