amaranthus retroflexus, amaranthus powellii, aristolochia clematitis, chenopodium album, atriplex patula, convolvulus arvensis, cynodon dactylon, echinochloa crus-galli, elymus repens, erigeron canadensis, lactuca serriola, linaria vulgaris, polygonum aviculare, portulaca oleracea, solanum nigrum, tripleurospermum inodorum, xanthium orientale