 The species is endemic to some mountain ranges in and near the Sierra Madre Occidental, Mexico.It is restricted to bunchgrass and marshland habitat in volcanic mountain ranges, at altitudes of ; the lower part of the range is occupied by the northern, and the higher part by the southern population.Habitat information for the northern population is scant, with pine, oak, and "Arbutus" (probably Arizona Madrone, "A. arizonica") trees being mentioned.