 The type locality given is "near latitude 17° 37' N. and longitude 96° 25' W., at an elevation of approximately 2300 meters [7,546 feet] on the headwaters of the Río Valle Nacional on the northern slopes of the Sierra de Juárez, in the State of Oaxaca, Mexico".The species "E. placata" is classified as Vulnerable (VU) on the IUCN Red List of Threatened Species with the following criteria