Southeastern United States, North-Central United States, Central United States, South-Central United States, Southwestern United States, Texas, Canada, Mexico
Central Asia
Dry areas, Prairies, Rocky areas, rocky outcrops
Dry areas, Hot climate regions, Low annual rainfall 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
16, 17, 22, 23, 24