Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Canada
Eastern Asia, China, Japan
Alpine Meadows, shaded woods
shaded moist road banks, Wet Woods
1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
2b, 3a, 3b, 4, 5, 6, 14, 15, 16, 18, 19, 20