Native to:
Afghanistan,
Alabama,
Albania,
Algeria,
Angola,
Antipodean Is.,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Austria,
Azores,
Bahamas,
Baleares,
Baltic States,
Belgium,
Belize,
Bolivia,
Botswana,
Brazil South,
Bulgaria,
California,
Canary Is.,
Cape Provinces,
Cape Verde,
Chad,
Chatham Is.,
Chile Central,
Chile North,
Chile South,
China South-Central,
China Southeast,
Connecticut,
Corse,
Cuba,
Cyprus,
Czechoslovakia,
Delaware,
Denmark,
Desventurados Is.,
District of Columbia,
Dominican Republic,
East Aegean Is.,
Easter Is.,
Ecuador,
Egypt,
Eritrea,
Ethiopia,
Finland,
Florida,
France,
Georgia,
Germany,
Great Britain,
Greece,
Guatemala,
Haiti,
Honduras,
Hungary,
Illinois,
India,
Indiana,
Iran,
Iraq,
Ireland,
Italy,
Japan,
Kansas,
Kentucky,
Kenya,
Kermadec Is.,
Kirgizstan,
Kriti,
Krym,
KwaZulu-Natal,
Lebanon-Syria,
Libya,
Louisiana,
Madeira,
Maine,
Maryland,
Massachusetts,
Mauritania,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Mississippi,
Missouri,
Morocco,
Mozambique,
Namibia,
Netherlands,
Nevada,
New Brunswick,
New Caledonia,
New Hampshire,
New Jersey,
New Mexico,
New York,
New Zealand North,
New Zealand South,
Nigeria,
Norfolk Is.,
North Carolina,
North Caucasus,
Northern Provinces,
Northern Territory,
Nova Scotia,
Ohio,
Oklahoma,
Oman,
Ontario,
Oregon,
Pakistan,
Palestine,
Paraguay,
Pennsylvania,
Peru,
Poland,
Portugal,
Prince Edward I.,
Puerto Rico,
Québec,
Rhode I.,
Romania,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
Somalia,
South Australia,
South Carolina,
Spain,
Sudan,
Swaziland,
Sweden,
Switzerland,
Tadzhikistan,
Tasmania,
Tennessee,
Texas,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uruguay,
Utah,
Uzbekistan,
Vermont,
Virginia,
Washington,
West Himalaya,
West Virginia,
Western Australia,
Western Sahara,
Wisconsin,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe