secale cereale, setaria viridis, spergula arvensis, delphinium consolida, scleranthus annuus, apera spica-venti, centaurea cyanus, convolvulus arvensis, equisetum arvense, erigeron canadensis, fallopia convolvulus, polygonum aviculare, raphanus raphanistrum, rumex acetosella, tripleurospermum inodorum, viola arvensis