amaranthus retroflexus, chenopodium album, echinochloa crus-galli, galinsoga parviflora, solanum nigrum, thlaspi arvense, tripleurospermum inodorum, plantago major, sonchus asper, gnaphalium uliginosum, oxybasis glauca, veronica opaca, capsella bursa-pastoris, cirsium arvense, fallopia convolvulus, persicaria maculosa, setaria pumila, silene latifolia, viola arvensis