echinochloa crus-galli, amaranthus retroflexus, amaranthus powellii, chenopodium album, setaria pumila, setaria verticillata, galium aparine, persicaria amphibia, persicaria lapathifolia, tripleurospermum inodorum, anthemis cotula, cirsium arvense, datura stramonium, elymus repens, euphorbia helioscopia, lamium purpureum, panicum miliaceum, setaria viridis, sonchus asper, stellaria media, acer negundo, aethusa cynapium, atriplex sagittata, erigeron canadensis, malva pusilla