solanum tuberosum, echinochloa crus-galli, galinsoga parviflora, setaria pumila, bidens tripartita, convolvulus arvensis, equisetum arvense, spergula arvensis, artemisia vulgaris, chenopodium album, cirsium arvense, erysimum cheiranthoides, persicaria maculosa, sonchus arvensis, stellaria media, tripleurospermum inodorum