Many accounts are incomplete although new information is being added continuously.
Errors do occur.
Users are cautioned to refer back to the original cited source to assess completeness and correctness before using the information. Web updates are intermittent, not continuous, therefore some dynamic information such as legal status may not be absolutely current. 050466 Name Mouse, Pocket, Rock, Black Mtn. Genus changed from Perognathus to Chaetodipus. P. i. nigrimontis from the lava of Black Mountains, Pima County, Arizona.