cirsium arvense, convolvulus arvensis, cynodon dactylon, digitaria sanguinalis, elymus repens, erigeron canadensis, solanum nigrum, stellaria media, amaranthus retroflexus, capsella bursa-pastoris, chenopodium album, lamium purpureum, lepidium draba, setaria viridis, sonchus arvensis, sonchus oleraceus, sorghum halepense, echinochloa crus-galli, lactuca serriola, reseda lutea, trifolium repens