- Continental: Europe
- Regional: Northern Europe
- Regional: Middle Europe
- Austria, Czechoslovakia, Hungary,Poland.
- Regional: Southwestern Europe
- Baleares, Corse, France, Portugal, Sardegna, Spain.
- Regional: Southeastern Europe
- Albania, Bulgaria, Greece, Italy, Kriti, Romania, Sicilia, Turkey-in-Europe, Yugoslavia.
- Regional: Eastern Europe
- Krym,Central European Russia, South European Russia,Northwest European Russia, Ukraine.
- Continental: Africa
- Regional: Northern Africa
- Algeria, Egypt, Libya, Morocco, Tunisia.
- Regional: Macaronesia
- Canary Islands, Cape Verde.
- Continental: Asia-Temperate
- Regional: Russian Far East
- Regional: Middle Asia
- Kazakhstan, Kirgizstan, Turkmenistan, Tadzhikistan, Uzbekistan.
- Regional: Caucasus
- North Caucasus, Transcaucasus.
- Regional: Western Asia
- Afghanistan, Cyprus, East Aegean Islands, Iran, Iraq, Lebanon-Syria, Palestine, Sinai, Turkey.
- Regional: Arabian Peninsula
- Gulf States, Kuwait, Oman, Saudi Arabia.
- Regional: China
- China North-Central, China Southeast, Xinjiang.
- Regional: Eastern Asia
- Continental: Asia-Tropical
- Regional: Indian Subcontinent
- Continental: Northern America
- Regional: Northwestern U.S.A.
- Colorado, Idaho, Montana, Oregon, Washington, Wyoming.
- Regional: North-Central U.S.A.
- Illinois, Iowa, Kansas, Missouri, North Dakota, Nebraska, Oklahoma, South Dakota.
- Regional: Northeastern U.S.A.
- Indiana, Michigan, New York, Ohio, Pennsylvania, West Virginia.
- Regional: Southwestern U.S.A.
- Arizona, California, Nevada, Utah.
- Regional: South-Central U.S.A.
- Regional: Southeastern U.S.A.
- Alabama, Arkansas, Kentucky, Louisiana, Maryland, Tennessee, Virginia.
- Regional: Mexico
- Note:Grey script indicates introduced occurrences.
References:Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition |