Native to:
Afghanistan,
Alabama,
Alberta,
Altay,
Arizona,
Arkansas,
British Columbia,
Bulgaria,
Buryatiya,
California,
Central European Rus,
China North-Central,
China Southeast,
Colorado,
Connecticut,
Cyprus,
Delaware,
District of Columbia,
East European Russia,
Florida,
Georgia,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Iran,
Iraq,
Italy,
Japan,
Kazakhstan,
Kentucky,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
Louisiana,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Mexico Northeast,
Mexico Northwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Mongolia,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Carolina,
North Caucasus,
North Dakota,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pakistan,
Palestine,
Pennsylvania,
Prince Edward I.,
Qinghai,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
South European Russi,
Tadzhikistan,
Tennessee,
Texas,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Utah,
Uzbekistan,
Vermont,
Virginia,
Washington,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Xinjiang