glyceria fluitans, agrostis stolonifera, alopecurus geniculatus, persicaria hydropiper, glyceria maxima, holcus lanatus, phalaris arundinacea, poa trivialis, ranunculus repens, elymus repens, sagina procumbens, spirodela polyrhiza, trifolium repens, carex hirta, epilobium hirsutum, epilobium parviflorum, glechoma hederacea, juncus articulatus, oenanthe fistulosa, persicaria maculosa, ranunculus sceleratus, stellaria media, bidens cernuus