Endangered and Threatened Wildlife and Plants; Endangered Species Status for Guadalupe Fescue; Designation of Critical Habitat for Guadalupe Fescue

We, the U.S. Fish and Wildlife Service (Service), determine endangered species status and designate critical habitat under the Endangered Species Act of 1973, as amended (Act), for Festuca ligulata (Guadalupe fescue), a plant species from the Chihuahuan Desert of west Texas and Mexico. The effect of this regulation will be to add this species to the List of Endangered and Threatened Plants and designate approximately 7,815 acres (3,163 hectares) of critical habitat in Brewster County, Texas located entirely within Big Bend National Park.