Native to:
Arizona,
Colorado,
Kansas,
Mexico Northeast,
Mexico Northwest,
Missouri,
Nebraska,
New Mexico,
Oklahoma,
South Dakota,
Texas
Introduced into:
Alabama,
Bahamas,
Baltic States,
Belarus,
Belgium,
Bolivia,
Bulgaria,
Canary Is.,
Cape Provinces,
Colombia,
Connecticut,
Cuba,
Czechoslovakia,
Djibouti,
East Himalaya,
El Salvador,
Florida,
France,
Free State,
Georgia,
Germany,
Gilbert Is.,
Guatemala,
Hawaii,
Honduras,
Hungary,
India,
Italy,
Jawa,
Korea,
Krym,
KwaZulu-Natal,
Line Is.,
Madeira,
Maine,
Marianas,
Maryland,
Mexico Southeast,
Minnesota,
Mississippi,
Myanmar,
Nansei-shoto,
New Hampshire,
New York,
Nicaragua,
North Carolina,
Northern Provinces,
Poland,
Queensland,
Romania,
Réunion,
South Carolina,
South European Russi,
Spain,
Tadzhikistan,
Taiwan,
Trinidad-Tobago,
Tubuai Is.,
Tunisia,
Turkmenistan,
Ukraine,
Uzbekistan,
Vermont,
Vietnam,
Yugoslavia