amaranthus retroflexus, chenopodium album, cirsium arvense, echinochloa crus-galli, setaria pumila, solanum nigrum, digitaria ischaemum, persicaria maculosa, setaria viridis, achillea millefolium, erigeron canadensis, erodium cicutarium, galeopsis tetrahit, galinsoga parviflora, myosotis arvensis, myosotis stricta, polygonum aviculare, stellaria aquatica, stellaria media, tripleurospermum inodorum, viola arvensis