USA, New Mexico, Hidalgo, U.S. Hwy. 70, 11 mi. NW Lordsburg (where el. is 4237 ft.), Hidalgo Co., N. Mex.
32.46317 -108.842284 +-10784m. WGS84
Moist shallow ditch
Hood white. Corolla greenish white. Herbage light green. With latex. In swale in general vicinity of mesquite scrubland. Closely associated with Panicum obtusum.