Alaska, Canada, Northern Europe, Russia/Siberia
Southeastern United States, Central United States, South-Central United States, Mexico
gardens, Grassland, Roadsides, tropical environments
Loamy soils, Moist woods, Tropical regions
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 10
2b, 3a, 3b, 6, 7, 8, 9, 10, 12, 13, 14, 18, 19, 20