text: polypogon viridis, digitaria sanguinalis, setaria pumila, cardamine hirsuta, mercurialis annua, poa annua, setaria viridis, sonchus oleraceus, veronica persica, amaranthus retroflexus, bromus sterilis, capsella bursa-pastoris, chenopodium album, cirsium arvense, convolvulus arvensis, echinochloa crus-galli, fumaria officinalis, lamium purpureum, persicaria maculosa, ranunculus repens, senecio vulgaris, sinapis arvensis, solanum nigrum, sonchus asper, stellaria media, trifolium repens, lactuca serriola