convolvulus arvensis, fallopia convolvulus, lactuca serriola, ambrosia artemisiifolia, chenopodium album, amaranthus retroflexus, bromus tectorum, cirsium arvense, crepis setosa, dasypyrum villosum, hordeum murinum, rumex pulcher, sinapis arvensis, sonchus asper, stellaria media, cota austriaca, descurainia sophia, elymus repens