galinsoga parviflora, amaranthus retroflexus, elymus repens, amaranthus powellii, cirsium arvense, convolvulus arvensis, erigeron canadensis, erodium cicutarium, fallopia convolvulus, lysimachia arvensis, medicago lupulina, oxalis stricta, setaria pumila, setaria viridis, sinapis arvensis, sonchus arvensis, sonchus asper, sonchus oleraceus, stachys annua, trifolium repens, tripleurospermum inodorum, veronica persica, veronica polita