sonchus asper, alisma plantago-aquatica, echinochloa crus-galli, lipandra polysperma, nymphoides peltata, oxybasis rubra, persicaria lapathifolia, ranunculus aquatilis, ranunculus sceleratus, riccia cavernosa, rorippa palustris, senecio vulgaris, sonchus oleraceus, spirodela polyrhiza