avena sterilis, papaver rhoeas, equisetum arvense, bromus diandrus, cirsium arvense, fallopia convolvulus, medicago lupulina, polygonum aviculare, silene vulgaris, convolvulus arvensis, crepis capillaris, erigeron canadensis, filago pyramidata, hordeum murinum, lycopsis arvensis, medicago sativa, sonchus oleraceus