• Continental: Europe
  • Regional: Northern Europe
    • Denmark, Finland, Great Britain, Ireland, Norway, Sweden.
  • Regional: Middle Europe
    • Austria, Belgium, Czechoslovakia (Czech Republic, Slovakia), Germany, Hungary, Netherlands, Poland, Switzerland.
  • Regional: Southwestern Europe
    • Corse, France, Portugal, Sardegna, Spain.
  • Regional: Southeastern Europe
    • Albania, Bulgaria, Greece, Italy, Romania, Sicilia (Sicily), Turkey-in-Europe, Yugoslavia (Bosnia-Herzegovina, Croatia, Macedonia, Montenegro, Serbia, Slovenia)
  • Regional: Eastern Europe
    • Belarus, Baltic States (Estonia, Kaliningrad, Latvia, Lithuania), Krym, Central European Russia, East European Russia, North European Russia, South European Russia, Northwest European Russia, Ukraine.
• Continental: Africa
  • Regional: Northern Africa
    • Algeria, Morocco.
  • Regional: Southern Africa
    • Cape Provinces, Lesotho, Free State, Northern Provinces.
• Continental: Asia-Temperate
  • Regional: Siberia
    • Altay, Buryatiya, Irkutsk, Krasnoyarsk, West Siberia.
  • Regional: Russian Far East
    • Khabarovsk, Primorye, Sakhalin.
  • Regional: Middle Asia
    • Kazakhstan, Kirgizstan, Turkmenistan, Tadzhikistan, Uzbekistan.
  • Regional: Caucasus
    • North Caucasus, Transcaucasus (Armenia, Gruziya)
  • Regional: Western Asia
    • Cyprus, East Aegean Islands, Turkey.
  • Regional: China
    • Xinjiang.
• Continental: Australasia
  • Regional: Australia
    • New South Wales, South Australia, Tasmania, Victoria.
  • Regional: New Zealand
    • New Zealand North, New Zealand South.
• Continental: Northern America
  • Regional: Subarctic America
    • Alaska.
  • Regional: Western Canada
    • Alberta, British Columbia, Manitoba, Saskatchewan.
  • Regional: Eastern Canada
    • New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward Isle, Québec.
  • Regional: Northwestern U.S.A.
    • Colorado, Idaho, Montana, Oregon, Washington, Wyoming.
  • Regional: North-Central U.S.A.
    • Illinois, Kansas, Minnesota, Missouri, Nebraska, Oklahoma, South Dakota, Wisconsin.
  • Regional: Northeastern U.S.A.
    • Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia,
  • Regional: Southwestern U.S.A.
    • Utah.
  • Regional: South-Central U.S.A.
    • New Mexico, Texas.
  • Regional: Southeastern U.S.A.
    • Arkansas, Delaware, District of Columbia, Georgia, Kentucky, Louisiana, Maryland, North Carolina, South Carolina, Tennessee, Virginia.
• Continental: Southern America
  • Regional: Southern South America
    • Argentina South, Chile Central, Chile South.

Note: Grey script indicates introduced occurrences.