- Continental: Europe
- Regional: Northern Europe
- Denmark, Finland,Føroyar (introduced), Great Britain, Ireland, Norway, Sweden.
- Regional: Middle Europe
- Austria, Belgium, Czechoslovakia, Germany, Hungary, Netherlands, Poland, Switzerland.
- Regional: Southwestern Europe
- Baleares (introduced), Corse, France,Portugal (introduced), Sardegna, Spain.
- Regional: Southeastern Europe
- Albania, Bulgaria, Greece, Italy, Romania, Sicilia, Turkey-in-Europe, Yugoslavia.
- Regional: Eastern Europe
- Belarus, Baltic States, Krym, Central European Russia, East European Russia, North European Russia, South European Russia, Northwest European Russia, Ukraine.
- Continental: Africa
- Regional: Northern Africa
- Regional: Macaronesia
- Azores, Madeira (introduced).
- Continental: Asia-Temperate
- Regional: Siberia
- Altay, Buryatiya, Chita, Irkutsk, Krasnoyarsk, Tuva, West Siberia, Yakutskiya.
- Regional: Russian Far East
- Amur, Kamchatka, Khabarovsk, Kuril Islands, Magadan, Primorye, Sakhalin.
- Regional: Middle Asia
- Regional: Caucasus
- North Caucasus, Transcaucasus.
- Regional: Western Asia
- Regional: China
- China South-Central, Manchuria, China North-Central, Qinghai, China Southeast, Tibet.
- Regional: Mongolia
- Regional: Eastern Asia
- Japan, Korea, Nansei-shoto, Taiwan.
- Continental: Asia-Tropical
- Regional: Indian Subcontinent
- Assam, East Himalaya,India (introduced), Nepal, Pakistan, West Himalaya.
- Regional: Indo-China
- Continental: Australasia
- Regional: Australia
- Tasmania, Victoria (introduced).
- Continental: Pacific
- Regional: North-Central Pacific
- Continental: Northern America
- Regional: Subarctic America
- Alaska, Nunavut, Northwest Territories, Yukon.
- Regional: Western Canada
- Alberta, British Columbia, Manitoba, Saskatchewan.
- Regional: Eastern Canada
- Labrador, New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward Island, Québec.
- Regional: Northwestern U.S.A.
- Colorado, Idaho, Montana, Oregon, Washington, Wyoming.
- Regional: North-Central U.S.A.
- Minnesota, North Dakota, South Dakota, Wisconsin.
- Regional: Northeastern U.S.A.
- Connecticut, Maine, Massachusetts, Michigan, New Hampshire, New York, Rhode Island, Vermont.
- Regional: Southwestern U.S.A.
References:Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition |