lactuca serriola, erigeron canadensis, achillea millefolium, atriplex patula, bromus tectorum, chenopodium album, descurainia sophia, elymus repens, fallopia convolvulus, lapsana communis, matricaria discoidea, plantago major, polygonum aviculare, senecio viscosus, senecio vulgaris, sisymbrium officinale, tripleurospermum inodorum, viola arvensis