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