Southwestern United States, Mexico
Southern Africa, South Africa
Desert, Dry areas, Rocky areas
Sandy areas, Semi arid regions, Semi desert
10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24