Dieteria bigelovii var. commixta (syn. Machaeranthera bigelovii var. commixta, Machaeranthera commixta).As treated by FNA, distribution of this taxon is limited to the Utah Plateaus in southern Utah.Aug. 9, 2003, Ashdown Gorge Wilderness Area, Iron County, Utah, elev. approx. 10,440 ft.
