North America, Western United States, Canada
Mexico, Latin America and the Caribbean, Central America
Along Railroads, Gravels, Roadsides, Rocky areas
Desert
Not Available
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