mercurialis annua, amaranthus blitum, amaranthus hybridus, amaranthus retroflexus, persicaria maculosa, capsella bursa-pastoris, chenopodium album, cirsium arvense, convolvulus arvensis, galinsoga parviflora, lysimachia arvensis, malva neglecta, poa annua, polygonum aviculare, setaria viridis, sonchus asper, stellaria media, trifolium pratense, veronica persica, veronica polita