nl, utrecht, agrostis stolonifera, ranunculus repens, glyceria fluitans, alopecurus geniculatus, poa trivialis, trifolium repens, persicaria amphibia, holcus lanatus, lolium perenne, glyceria maxima, rumex acetosa, phalaris arundinacea, cardamine pratensis, ranunculus acris, alopecurus pratensis, cerastium holosteoides, stellaria media, eleocharis palustris, elymus repens, myosotis scorpioides, poa annua, equisetum fluviatile, galium palustre, rorippa amphibia, ranunculus sceleratus, juncus effusus, persicaria hydropiper, phleum pratense, juncus articulatus, elodea nuttallii, ranunculus flammula, spirodela polyrhiza, lemna trisulca, lolium pratense, anthoxanthum odoratum, oenanthe fistulosa, bellis perennis, glechoma hederacea, argentina anserina, sparganium erectum, poa pratensis, bromus hordeaceus, butomus umbellatus, cirsium arvense, carex disticha, plantago major, carex acuta, silene flos-cuculi, dactylis glomerata, sagittaria sagittifolia