galinsoga parviflora, amaranthus retroflexus, chenopodium album, echinochloa crus-galli, amaranthus blitum, chenopodium ficifolium, cirsium arvense, elymus repens, galinsoga quadriradiata, papaver rhoeas, senecio vulgaris, solanum nigrum, sonchus oleraceus, tripleurospermum inodorum, urtica urens, portulaca oleracea