elymus repens, solanum nigrum, stellaria media, amaranthus retroflexus, capsella bursa-pastoris, chenopodium album, cirsium arvense, convolvulus arvensis, digitaria sanguinalis, echinochloa crus-galli, erigeron canadensis, setaria viridis, sinapis arvensis, sonchus arvensis, sonchus oleraceus, cynodon dactylon, euphorbia helioscopia, reseda lutea, sorghum halepense