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