zea mays, echinochloa crus-galli, amaranthus retroflexus, lipandra polysperma, setaria pumila, symphytum officinale, bidens tripartita, capsella bursa-pastoris, cerastium holosteoides, chenopodium album, equisetum palustre, persicaria lapathifolia, ranunculus repens, rorippa islandica, scrophularia nodosa, solanum nigrum, stachys palustris, stellaria aquatica, stellaria media