aristolochia clematitis, convolvulus arvensis, amaranthus powellii, atriplex patula, atriplex tatarica, bromus tectorum, chenopodium album, cirsium arvense, crepis foetida, elymus repens, erigeron canadensis, fallopia convolvulus, hibiscus trionum, inula britannica, lactuca serriola, lathyrus tuberosus, lepidium draba, melilotus officinalis, polygonum aviculare, reseda lutea, rubus caesius, setaria viridis, stellaria media, veronica polita