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