Southwestern United States, Mexico
Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States
Desert, Dry areas, Rocky areas, Sandy areas
Roadsides, sand dunes, Waste areas
9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23
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