Alaska, Canada, Northern Europe, Russia/Siberia
Southwestern United States, Mexico, Central America, South America
gardens, Grassland, Roadsides, tropical environments
Stony hillsides
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 10
8, 9, 10, 11, 12, 13, 19, 20, 21, 22, 23, 24