Summary[edit] Description: Pleuraphis mutica, Jornada LTER, east of Jornada Road ca. 3.5 miles north of US Hwy 70, Doña Ana County, New Mexico, 14 Sep 2011. Date: 14 September 2011, 16:04. Source: Pleuraphis mutica. Author: Patrick Alexander from Las Cruces, NM.