| Eastern Canada | Ontario |
| North-Central U.S.A. | Illinois, Iowa, Kansas, Missouri, Nebraska, 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 |
| Mexico | Mexico Central, Mexico Northeast, Mexico Gulf, Mexico Northwest, Mexico Southwest, Mexico Southeast |
| Central America | El Salvador, Guatemala, Honduras |