| Eastern Canada | New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward I., Québec |
| Northwestern U.S.A. | Montana |
| North-Central U.S.A. | Illinois, Iowa, Minnesota, Oklahoma, Wisconsin |
| Northeastern U.S.A. | Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia |
| South-Central U.S.A. | Texas |
| Southeastern U.S.A. | Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, District of Columbia |