Central America, South America
Southeastern United States, North-Central United States, Central United States, South-Central United States, Southwestern United States, Texas, Canada, Mexico
All sorts of environments, Along Railroads, Banks, Moist Ditches, Roadsides, rocky banks of streams
Dry areas, Prairies, Rocky areas, rocky outcrops
21,22
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