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