atriplex tatarica, polygonum aviculare, achillea setacea, amaranthus retroflexus, bromus tectorum, chenopodium album, convolvulus arvensis, elymus repens, erigeron canadensis, hordeum murinum, lactuca serriola, melilotus officinalis, setaria viridis, solanum nigrum, stellaria media, xanthium strumarium