echinochloa crus-galli, galinsoga parviflora, amaranthus retroflexus, bidens tripartita, chenopodium album, setaria pumila, cirsium arvense, convolvulus arvensis, cyclachaena xanthiifolia, datura stramonium, hibiscus trionum, mentha arvensis, persicaria lapathifolia, solanum nigrum, xanthium strumarium