Acorus L.

Native to:

Alaska, Alberta, Altay, Amur, Assam, Bangladesh, Borneo, British Columbia, Buryatiya, Cambodia, China North-Central, China South-Central, China Southeast, Chita, Connecticut, District of Columbia, East Himalaya, Hainan, Idaho, Illinois, India, Indiana, Inner Mongolia, Iowa, Irkutsk, Japan, Jawa, Kansas, Kazakhstan, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kuril Is., Laccadive Is., Laos, Lesser Sunda Is., Maine, Malaya, Maldives, Manchuria, Manitoba, Masachusettes, Michigan, Minnesota, Mongolia, Montana, Myanmar, Nebraska, Nepal, New Brunswick, New Hampshire, New Jersey, New York, Northwest Territorie, Nova Scotia, Ohio, Ontario, Pennsylvania, Philippines, Primorye, Prince Edward I., Qinghai, Québec, Rhode I., Sakhalin, Saskatchewan, South Dakota, Sri Lanka, Sulawesi, Taiwan, Thailand, Tibet, Tuva, Uzbekistan, Vermont, Vietnam, Virginia, Washington, West Himalaya, West Siberia, Wisconsin, Xinjiang, Yakutskiya

Extinct in:

Newfoundland, North Dakota

Introduced into:

Alabama, Albania, Andaman Is., Arkansas, Austria, Baltic States, Belarus, Belgium, Bulgaria, California, Cape Provinces, Central European Rus, Colorado, Czechoslovakia, Delaware, Denmark, East European Russia, Finland, France, Føroyar, Georgia, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Kentucky, Krym, Louisiana, Maryland, Mississippi, Missouri, Netherlands, New Guinea, North Carolina, North Caucasus, North European Russi, Northwest European R, Norway, Oklahoma, Oregon, Pakistan, Poland, Romania, Sicilia, South Carolina, South European Russi, Svalbard, Sweden, Switzerland, Tennessee, Texas, Transcaucasus, Turkey-in-Europe, Ukraine, West Virginia, Yugoslavia