China, Japan, Korea
Western United States, Northwestern United States, California, Canada
jiujiangense, horizontale
Black Maple, Mountain Maple,
Norway Maple
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 20, 21
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17