fagopyrum esculentum, digitaria ischaemum, setaria pumila, apera spica-venti, convolvulus arvensis, herniaria hirsuta, spergula arvensis, centaurea cyanus, elymus repens, erigeron canadensis, fallopia convolvulus, galeopsis ladanum, polycnemum arvense, polygonum aviculare, rumex acetosella, scleranthus annuus