text: cynodon dactylon, setaria viridis, amaranthus retroflexus, aristolochia clematitis, bromus tectorum, chenopodium album, chondrilla juncea, cirsium arvense, convolvulus arvensis, crepis foetida, echinochloa crus-galli, elymus repens, erigeron canadensis, fallopia convolvulus, hibiscus trionum, lactuca serriola, lathyrus tuberosus, solanum nigrum, sonchus asper, vicia cracca, viola arvensis