galinsoga parviflora, artemisia vulgaris, echinochloa crus-galli, plantago major, sonchus arvensis, tripleurospermum inodorum, cirsium arvense, fallopia convolvulus, gnaphalium uliginosum, persicaria maculosa, polygonum aviculare, silene latifolia, sonchus asper, vicia hirsuta, viola arvensis, erigeron canadensis, erodium cicutarium, solanum nigrum