text: echinochloa crus-galli, convolvulus arvensis, erigeron canadensis, amaranthus retroflexus, aristolochia clematitis, bromus arvensis, bromus tectorum, capsella bursa-pastoris, chenopodium album, cirsium arvense, crepis tectorum, descurainia sophia, hibiscus trionum, lactuca serriola, lathyrus tuberosus, lolium perenne, setaria pumila, solanum nigrum, sonchus arvensis, sonchus asper, tripleurospermum inodorum, xanthium orientale