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, cerastium holosteoides, ranunculus acris, alopecurus pratensis, phleum pratense, dactylis glomerata, polygonum aviculare, capsella bursa-pastoris, persicaria amphibia, cirsium arvense, phalaris arundinacea, ranunculus sceleratus, rumex acetosa, glyceria maxima, glechoma hederacea, poa pratensis, elodea nuttallii, bromus hordeaceus, spirodela polyrhiza, persicaria hydropiper, plantago major, cardamine pratensis, bellis perennis, lemna trisulca, rumex obtusifolius, potamogeton pusillus, argentina anserina, urtica dioica, eleocharis palustris, myosotis scorpioides, rumex crispus, butomus umbellatus, sparganium erectum, lolium pratense, ceratophyllum demersum, ranunculus circinatus, phragmites australis, rorippa amphibia, juncus articulatus, agrostis capillaris