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