agrostis stolonifera, glyceria fluitans, alopecurus geniculatus, glyceria maxima, poa trivialis, elymus repens, juncus bufonius, nymphoides peltata, persicaria hydropiper, poa annua, polygonum aviculare, rorippa palustris, urtica dioica, veronica beccabunga, veronica catenata, helosciadium nodiflorum, persicaria maculosa, ranunculus repens, ranunculus sceleratus, rumex conglomeratus, stellaria alsine