glyceria fluitans, glyceria maxima, agrostis stolonifera, poa trivialis, holcus lanatus, glechoma hederacea, oenanthe fistulosa, phalaris arundinacea, alopecurus geniculatus, cardamine pratensis, equisetum palustre, lolium perenne, myosotis scorpioides, persicaria amphibia, persicaria hydropiper, phleum pratense, ranunculus repens, ranunculus sceleratus, spirodela polyrhiza, stellaria media, trifolium repens, sonchus asper