Northeastern United States, North-Central United States, Alaska, Canada
Northern Europe, Russia/Siberia, Western Asia
Moist Soils, Slopes, Swamps, Well Drained
Mediterranean region, Rock outcrops, Woodlands
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21