text: chenopodium album, galinsoga parviflora, setaria pumila, ambrosia artemisiifolia, capsella bursa-pastoris, cirsium arvense, convolvulus arvensis, fallopia convolvulus, lamium purpureum, lipandra polysperma, persicaria maculosa, sonchus arvensis, echinochloa crus-galli, stellaria media, veronica persica