corispermum intermedium, bromus tectorum, setaria viridis, achillea millefolium, chenopodium album, descurainia sophia, elymus repens, erigeron canadensis, fallopia convolvulus, medicago lupulina, persicaria lapathifolia, poa annua, poa pratensis, salsola tragus, sisymbrium altissimum, senecio viscosus