erigeron canadensis, elymus repens, stellaria media, tripleurospermum inodorum, amaranthus powellii, beta vulgaris, cirsium arvense, convolvulus arvensis, lactuca serriola, artemisia vulgaris, bromus tectorum, capsella bursa-pastoris, fallopia convolvulus, medicago lupulina, papaver rhoeas, vicia sativa