text: galinsoga parviflora, digitaria sanguinalis, convolvulus arvensis, portulaca oleracea, chenopodium album, echinochloa crus-galli, persicaria maculosa, setaria viridis, veronica persica, capsella bursa-pastoris, heliotropium europaeum, lamium purpureum, lipandra polysperma, senecio vulgaris, sonchus arvensis