secale cereale, digitaria ischaemum, apera spica-venti, setaria viridis, amaranthus retroflexus, centaurea cyanus, chenopodium album, convolvulus arvensis, elymus repens, equisetum arvense, erigeron canadensis, fallopia convolvulus, setaria pumila, spergula arvensis, tripleurospermum inodorum, viola arvensis