DistributionRead full entry
Global Range: Regional endemic in isolated mountain ranges. In Arizona in a very narrow range - less than 3% of the state (Arizona ranking form 3/99). This species was discovered in California in 1998 (Anderson and DeGroot 2004).
This species is a relict with a disjunct distribution known from a few scattered populations in desert mountain ranges of southwestern Arizona and adjacent California (Anderson and DeGroot 2004).