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