Western United States, Northwestern United States, California, Canada
North America, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Canada
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17
2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 17, 18, 19, 20