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