digitaria ischaemum, setaria pumila, myosotis arvensis, erodium cicutarium, viola arvensis, centaurea cyanus, crepis tectorum, fallopia convolvulus, lycopsis arvensis, polygonum aviculare, veronica arvensis, vicia cracca, echinochloa crus-galli, erigeron canadensis, galeopsis bifida, mentha arvensis