glyceria maxima, agrostis stolonifera, leptobryum pyriforme, glyceria fluitans, phalaris arundinacea, bidens cernuus, bidens tripartita, cirsium arvense, cirsium vulgare, epilobium hirsutum, galium aparine, juncus effusus, myosotis scorpioides, oenanthe fistulosa, persicaria hydropiper, ranunculus sceleratus, rorippa amphibia, sparganium erectum, spirodela polyrhiza, urtica dioica