Southeastern United States, North-Central United States, Central United States, South-Central United States, Southwestern United States, Texas, Canada, Mexico
Latin America and the Caribbean, Central America, South America
Dry areas, Prairies, Rocky areas, rocky outcrops
Subtropical climates, Tropical regions, Warmer regions
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22