ambrosia artemisiifolia, echinochloa crus-galli, galinsoga parviflora, amaranthus hybridus, persicaria maculosa, setaria pumila, amaranthus retroflexus, centaurea cyanus, chenopodium album, cirsium arvense, convolvulus arvensis, erigeron annuus, lamium purpureum, plantago major, polygonum aviculare, stellaria media, tripleurospermum inodorum