amaranthus retroflexus, chenopodium album, galinsoga parviflora, capsella bursa-pastoris, echinochloa crus-galli, thlaspi arvense, cirsium arvense, euphorbia helioscopia, galinsoga quadriradiata, matricaria discoidea, mercurialis annua, persicaria lapathifolia, plantago major, sonchus oleraceus, stellaria media, malva neglecta, oxybasis glauca, polygonum aviculare, senecio vulgaris, sinapis arvensis, urtica urens, veronica persica, aethusa cynapium, amaranthus powellii, atriplex patula, avena fatua, lamium amplexicaule, lysimachia arvensis, poa annua, solanum nigrum, sonchus asper, tripleurospermum inodorum, veronica polita, atriplex sagittata, lepidium draba