Native to:
Alabama,
Albania,
Arizona,
Arkansas,
Bulgaria,
California,
Connecticut,
Cyprus,
Delaware,
District of Columbia,
East Aegean Is.,
Florida,
Georgia,
Greece,
Guatemala,
Illinois,
Indiana,
Iowa,
Iran,
Iraq,
Italy,
Kansas,
Kentucky,
Kriti,
Laos,
Lebanon-Syria,
Louisiana,
Maine,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Mississippi,
Missouri,
Nebraska,
New Hampshire,
New Jersey,
New Mexico,
New York,
North Carolina,
North Caucasus,
Ohio,
Oklahoma,
Ontario,
Pennsylvania,
Rhode I.,
Sicilia,
South Carolina,
Tennessee,
Texas,
Transcaucasus,
Turkey,
Vermont,
Vietnam,
Virginia,
West Virginia,
Wisconsin,
Yugoslavia
Introduced into:
Afghanistan,
Ecuador,
Morocco,
Pakistan,
Tadzhikistan,
Turkey-in-Europe,
Turkmenistan,
Uzbekistan,
West Himalaya