chenopodium album, amaranthus retroflexus, fallopia convolvulus, setaria verticillata, setaria viridis, viola arvensis, cirsium arvense, convolvulus arvensis, descurainia sophia, echinochloa crus-galli, erigeron canadensis, euphorbia helioscopia, lactuca serriola, lamium amplexicaule, medicago lupulina, persicaria lapathifolia, silene latifolia