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, Kamchatka, Kansas, Kazakhstan, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kuril Is., Laccadive Is., Laos, Lesser Sunda Is., Maine, Malaya, Maldives, Manchuria, Manitoba, Massachusetts, Michigan, Minnesota, Mongolia, Montana, Myanmar, Nebraska, Nepal, New Brunswick, New Hampshire, New Jersey, New York, Newfoundland, 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:

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, Free State, 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, Turkey-in-Europe, Ukraine, West Virginia, Yugoslavia

POWO follows these authorities in accepting this name:

• Boyce, P.C., Sookchaloem, D., Hetterscheid, W.L.A., Gusman, G., Jacobsen, N., Idei, T. & Nguyen, V.D. (2012). Flora of Thailand 11(2): 101-325. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok.
• Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.
• Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.