amaranthus hybridus, chenopodium album, cucurbita pepo, setaria viridis, amaranthus retroflexus, artemisia vulgaris, cirsium arvense, convolvulus arvensis, echinochloa crus-galli, elymus repens, equisetum arvense, erigeron canadensis, euphorbia helioscopia, galinsoga parviflora, lactuca serriola, persicaria lapathifolia