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