Reference:Brummitt, R.K. (2001) TDGW - World Geographical Scheme for Recording Plant Distributions, 2nd Edition
- Europe
- Middle Europe
- Austria, Czechoslovakia, Germany, Hungary, Poland, Switzerland.
- Southwestern Europe
- Baleares, Corse, France, Portugal, Sardegna, Spain.
- Southeastern Europe
- Albania, Bulgaria, Greece, Italy, Kriti, Romania, Sicilia, Turkey-in-Europe, Turkey, Yugoslavia.
- Eastern Europe
- Africa
- Asia-Temperate
- Middle Asia
- Kazakhstan, Kirgizstan, Turkmenistan, Tadzhikistan, Uzbekistan.
- Caucasus
- North Caucasus, Transcaucasus.
- Western Asia
- Afghanistan, Cyprus, East Aegean Islands, Iran, Iraq, Lebanon-Syria, Palestine, Turkey.
- China
- Asia-Tropical
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