Europe, Asia
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States
Rocky areas, Semi desert, Subtropical climates
Bluffs, low mountains, Moist Soils, Woodlands
21,22
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23