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