China, Korea
Eastern Europe, Northern Europe, Russia/Siberia, Western Asia
Humid climates, Loamy soils, Low annual rainfall regions, Wet ground, Woods
Grassland
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 15, 16, 17