zea mays, persicaria lapathifolia, echinochloa crus-galli, galinsoga parviflora, chenopodium album, cirsium arvense, fallopia convolvulus, holcus mollis, rumex acetosella, achillea millefolium, argentina anserina, capsella bursa-pastoris, centaurea cyanus, elymus repens, persicaria amphibia, scleranthus annuus, spergula arvensis, viola arvensis