cyclachaena xanthiifolia, xanthium albinum, elymus repens, zea mays, equisetum arvense, lactuca serriola, silene latifolia, artemisia vulgaris, cirsium arvense, tripleurospermum inodorum, amaranthus albus, capsella bursa-pastoris, carex hirta, convolvulus arvensis, daucus carota, polygonum aviculare, stachys recta, vicia sativa, viola tricolor