Alaska, Canada, Northern Europe, Russia/Siberia
Central Asia, Eastern Europe, Europe, Nepal, Southern Asia, Southern Europe
gardens, Grassland, Roadsides, tropical environments
Cold Regions, Hills, Hillside
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 10
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21