elymus repens, amaranthus retroflexus, artemisia vulgaris, bromus arvensis, bromus japonicus, bromus tectorum, calamagrostis epigejos, chondrilla juncea, cirsium arvense, convolvulus arvensis, crepis foetida, echinochloa crus-galli, echium vulgare, erigeron canadensis, falcaria vulgaris, lactuca serriola, setaria pumila, sonchus arvensis, tripleurospermum inodorum