corispermum intermedium, bromus tectorum, senecio viscosus, erigeron canadensis, persicaria lapathifolia, sisymbrium altissimum, artemisia vulgaris, cirsium arvense, elymus repens, lactuca serriola, lepidium densiflorum, melilotus albus, sonchus asper, tripleurospermum inodorum, chenopodium album, poa annua, rumex crispus