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