avena fatua, cirsium arvense, convolvulus arvensis, lolium perenne, matricaria discoidea, capsella bursa-pastoris, galium spurium, papaver rhoeas, plantago media, sonchus arvensis, tripleurospermum inodorum, amaranthus retroflexus, artemisia vulgaris, daucus carota, erigeron canadensis, galium aparine, malva neglecta, setaria viridis, silene latifolia, sonchus oleraceus, crepis biennis