poa trivialis, glyceria fluitans, myosotis scorpioides, agrostis stolonifera, alopecurus geniculatus, glyceria maxima, oenanthe fistulosa, ranunculus repens, cardamine pratensis, elymus repens, glechoma hederacea, holcus lanatus, hydrocharis morsus-ranae, juncus articulatus, persicaria hydropiper, phalaris arundinacea, rorippa amphibia, spirodela polyrhiza, trifolium repens, butomus umbellatus, plantago major, ranunculus sceleratus, rumex conglomeratus