atriplex sagittata, elymus repens, lactuca serriola, chenopodium album, convolvulus arvensis, erigeron canadensis, arctium lappa, artemisia absinthium, capsella bursa-pastoris, carduus acanthoides, cichorium intybus, crepis tectorum, cyclachaena xanthiifolia, descurainia sophia, plantago major, tripleurospermum inodorum