Distribution
Afghanistan, Albania, Algeria, Austria, Belarus, Belgium, Bulgaria, Denmark, Finland, France, Germany, Greece, Hungary, India, Iran, Iraq, Ireland, Italy, Kazakhstan, Mongolia, Morocco, Nepal, Netherlands, Norway, Pakistan, Poland, Portugal, Romania, Spain, Sweden, Switzerland, Tunisia, Turkmenistan, Ukraine, Uzbekistan

Native to: Afghanistan, Albania, Algeria, Altay, Austria, Azores, Baltic States, Belarus, Belgium, Bulgaria, Buryatiya, Canary Is., Central European Rus, Corse, Czechoslovakia, Denmark, East European Russia, East Himalaya, Finland, France, Føroyar, Germany, Great Britain, Greece, Hungary, India, Iran, Iraq, Ireland, Irkutsk, Italy, Kazakhstan, Kirgizstan, Krasnoyarsk, Madeira, Mongolia, Morocco, Nepal, Netherlands, North Caucasus, North European Russi, Northwest European R, Norway, Pakistan, Poland, Portugal, Romania, Sardegna, Sicilia, South European Russi, Spain, Sweden, Switzerland, Tadzhikistan, Transcaucasus, Tunisia, Turkey-in-Europe, Turkmenistan, Tuva, Ukraine, Uzbekistan, West Himalaya, West Siberia, Xinjiang, Yugoslavia.
Introduced into: Alabama, Aleutian Is., Amur, Antipodean Is., Argentina Northeast, Argentina South, Bahamas, Bermuda, Bolivia, Brazil South, California, Cape Provinces, Chatham Is., Chile Central, Chile South, China North-Central, China South-Central, China Southeast, Chita, Colombia, Colorado, Costa Rica, Cuba, Dominican Republic, Ecuador, Eritrea, Ethiopia, Falkland Is., Guatemala, Hawaii, Iceland, Idaho, Illinois, Japan, Jawa, Kamchatka, Kentucky, Kermadec Is., Khabarovsk, Korea, Kuril Is., KwaZulu-Natal, Labrador, Magadan, Manchuria, Mexico Southwest, Minnesota, Nansei-shoto, Nevada, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, Newfoundland, Northern Provinces, Oregon, Peru, Primorye, Puerto Rico, Queensland, Sakhalin, South Australia, Sri Lanka, Taiwan, Tasmania, Tennessee, Turkey, Uruguay, Venezuela, Vermont, Victoria, Washington, Western Australia, Wisconsin, Yakutskiya.