Alaska and Northern Canada
Alaska, Yukon Territory, Northwest Territories, British Columbia, Alberta
West Coast
British Columbia, Washington, Oregon, California
Rocky Mountains
British Columbia, Alberta, Montana, Wyoming, Idaho, Colorado, Utah, Nevada, North Dakota, South Dakota
American Southwest
New Mexico, Arizona, Oklahoma, Texas, Arkansas, Louisiana
Northern Mexico
California Baja, California Baja Sur, Sonora, Chihuahua, Coahuila, Nuevo Leon, Tamaulipas
Great Plains
Saskatchewan, Manitoba, North Dakota, South Dakota, Nebraska, Kansas, Iowa
Great Lakes
Ontario, Ohio, Michigan, Minnesota, Wisconsin, Indiana, Illinois
Midwest
Ohio, Minnesota, Wisconsin, Indiana, Illinois, Missouri, Iowa
Eastern Canada
Ontario, Quebec, New Brunswick, Nova Scotia, Prince Edward Island, Newfoundland
New England
Connecticut, Rhode Island, Massachusetts, New Hampshire, Vermont, Maine
Mid Atlantic
Virginia, Maryland, Delaware, Pennsylvania, New Jersey, New York
Appalachian Highlands
Kentucky, Tennessee, Virginia, West Virginia, North Carolina, Georgia
