Summary[edit] Description: English: A map of counties in New Mexico and Texas with one large highlighted county in NM and several smaller highlighted counties in texas surrounding the south eastern edge of NM. Date: 30 November 2019, 22:03:13. Source: https://plants.usda.gov/core/profile?symbol=EPCO2. Author: United States Department of Agriculture.
Summary[edit] Description: English: A zoomed in map of the labeled counties in which ephedra coryi is found. Date: 17 September 2003. Source: https://plants.usda.gov/core/profile?symbol=EPCO2. Author: United States Department of Agriculture.
Summary[edit] Description: English: A picture of a map of north america with only new mexico and texas colored, these states are where the plant is found. Date: 17 September 2003. Source: https://plants.usda.gov/core/profile?symbol=EPCO2. Author: United States Department of Agriculture.
Summary[edit] Description: Ephedra trifurca below Texas Canyon, east side of the Organ Mountains, White Sands Missile Range, Doña Ana County, New Mexico, 15 May 2010. Date: 15 May 2010, 12:04. Source: Ephedra trifurca. Author: Patrick Alexander from Las Cruces, NM.