United States, Texas, Hudspeth, +/- 30 airmiles NNW of El Paso, on Hwy. 62-180 to Carlsbad, just inside Hudspeth Co., at Jct. of Sunbeam Avenue, 35.1 miles W of Junction with Hwy. 1111 to Sierra Blanca.
Common weed, petals yellow, a roadside weed in Sandy soil with Yucca elata, Opuntia, Lesquerella, Erysimum, Rumex, Machaeranthera.