Regions (WGSRPD)
Australia, Caucasus, China, East Tropical Africa, Eastern Asia, Eastern Canada, Eastern Europe, Indian Subcontinent, Mexico, Middle Asia, Middle Europe, Mongolia, New Zealand, North-Central U.S.A., Northeast Tropical Africa, Northeastern U.S.A., Northern Europe, Northwestern U.S.A., Russian Far East, Siberia, South-Central U.S.A., Southeastern Europe, Southeastern U.S.A., Southwestern Europe, Southwestern U.S.A., Subarctic America, West-Central Tropical Africa, Western Asia, Western Canada
Botanical Countries (WGSRPD L3)
Afghanistan, Alaska, Albania, Alberta, Aleutian Is., Altay, Amur, Antipodean Is., Arizona, Austria, Baltic States, Belarus, Belgium, British Columbia, Bulgaria, Buryatiya, California, Cameroon, Central European Russia, Chatham Is., China North-Central, China South-Central, Chita, Colorado, Congo, Connecticut, Czechoslovakia, Denmark, East European Russia, East Himalaya, Ethiopia, Finland, France, Føroyar, Germany, Great Britain, Greece, Greenland, Gulf of Guinea Is., Hungary, Iceland, Idaho, Illinois, Indiana, Inner Mongolia, Iran, Ireland, Irkutsk, Italy, Japan, Kamchatka, Kazakhstan, Kentucky, Kenya, Khabarovsk, Kirgizistan, Korea, Krasnoyarsk, Krym, Kuril Is., Labrador, Magadan, Maine, Manchuria, Manitoba, Maryland, Massachusetts, Mexico Northeast, Michigan, Minnesota, Mongolia, Montana, Nepal, Netherlands, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, Newfoundland, North Carolina, North Caucasus, North Dakota, North European Russia, Northwest European Russia, Northwest Territories, Norway, Nova Scotia, Nunavut, Ohio, Ontario, Oregon, Pakistan, Pennsylvania, Poland, Portugal, Primorye, Prince Edward I., Qinghai, Québec, Rhode I., Romania, Rwanda, Sakhalin, Saskatchewan, Sicilia, South Dakota, South European Russia, Spain, Svalbard, Sweden, Switzerland, Tadzhikistan, Taiwan, Tanzania, Tasmania, Tibet, Transcaucasus, Turkey, Turkey-in-Europe, Tuva, Uganda, Ukraine, Utah, Uzbekistan, Vermont, Victoria, Virginia, Washington, West Himalaya, West Siberia, West Virginia, Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yugoslavia, Yukon, Zaïre
Plants flagged as 'Introduced' have been transported outside their native historical range by human activity. While many are common ornamentals, some may become naturalized or invasive in local environments. Local ecological guidelines require verification prior to planting.