North America, United States, Western United States, Southwestern United States, Mexico
Southwestern United States, Mexico
Dry areas
Desert, Dry areas, Rocky areas, Sandy areas
1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 14, 18, 19, 20, 21
9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23