xanthium orientale, amaranthus retroflexus, chenopodium album, cirsium arvense, convolvulus arvensis, descurainia sophia, echinochloa crus-galli, elymus repens, erigeron canadensis, falcaria vulgaris, hibiscus trionum, lactuca serriola, lepidium draba, rorippa austriaca, tripleurospermum inodorum