Equisetum L.

Native to:

Afghanistan, Alabama, Alaska, Albania, Alberta, Aleutian Is., Algeria, Altay, Amur, Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Assam, Austria, Azores, Baleares, Baltic States, Bangladesh, Belarus, Belgium, Belize, Bolivia, Borneo, Botswana, Brazil South, Brazil Southeast, Brazil West-Central, British Columbia, Bulgaria, Burundi, Buryatiya, California, Cambodia, Canary Is., Cape Provinces, Cape Verde, Central European Rus, Chad, Chile Central, Chile North, Chile South, China North-Central, China South-Central, China Southeast, Chita, Colombia, Colorado, Connecticut, Corse, Costa Rica, Cuba, Cyprus, Czechoslovakia, Delaware, Denmark, District of Columbia, Dominican Republic, East European Russia, East Himalaya, Ecuador, El Salvador, Ethiopia, Fiji, Finland, Florida, France, Free State, Føroyar, Galápagos, Georgia, Germany, Great Britain, Greece, Greenland, Guatemala, Gulf States, Guyana, Hainan, Haiti, Honduras, Hungary, Iceland, Idaho, Illinois, India, Indiana, Inner Mongolia, Iowa, Iran, Iraq, Ireland, Irkutsk, Italy, Jamaica, Japan, Jawa, Kamchatka, Kansas, Kazakhstan, Kentucky, Kenya, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., Kuwait, KwaZulu-Natal, Labrador, Laos, Lebanon-Syria, Lesotho, Lesser Sunda Is., Libya, Louisiana, Madagascar, Madeira, Magadan, Maine, Malawi, Malaya, Maluku, Manchuria, Manitoba, Maryland, Massachusetts, Mauritania, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Mongolia, Montana, Morocco, Mozambique, Myanmar, Namibia, Nansei-shoto, Nebraska, Nepal, Netherlands, Nevada, New Brunswick, New Caledonia, New Guinea, New Hampshire, New Jersey, New Mexico, New York, Newfoundland, Nicaragua, North Carolina, North Caucasus, North Dakota, North European Russi, Northern Provinces, Northwest European R, Northwest Territorie, Norway, Nova Scotia, Nunavut, Ohio, Oklahoma, Oman, Ontario, Oregon, Pakistan, Palestine, Panamá, Paraguay, Pennsylvania, Peru, Philippines, Poland, Portugal, Primorye, Prince Edward I., Qinghai, Québec, Rhode I., Romania, Réunion, Sakhalin, Sardegna, Saskatchewan, Saudi Arabia, Sicilia, Sinai, Solomon Is., Somalia, South Carolina, South Dakota, South European Russi, Spain, Sri Lanka, Sudan, Sulawesi, Sumatera, Svalbard, Swaziland, Sweden, Switzerland, Tadzhikistan, Taiwan, Tanzania, Tennessee, Texas, Thailand, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Uganda, Ukraine, Uruguay, Utah, Uzbekistan, Vanuatu, Venezuela, Vermont, Vietnam, Virginia, Washington, West Himalaya, West Siberia, West Virginia, Western Sahara, Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yemen, Yugoslavia, Yukon, Zambia, Zaïre, Zimbabwe

Introduced into:

New South Wales, Victoria

POWO follows these authorities in accepting this name:

• Balkrishna, A., Joshi, B., Sribastava, A., Shankar, R. & Shukla, B.K. (2019). Classification of extant Pteridophytes: a new approach. Indian Fern Journal 36: 311-341.
• Christenhusz, M.J.M., Bangiolo, L., Chanse, M.W., Fay, M.F., Husby, C., Witkus, M. & Viruel, J. (2019). Phylogenetics, classification and typification of extant horstails (Equisetum, Equisetaceae). Botanical Journal of the Linnean Society 189: 311-352.
• Roskov Y. & al. (eds.) (2018). World Ferns: Checklist of Ferns and Lycophytes of the World. Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

Flora of Tropical East Africa

• L., Gen. Pl., ed. 5: 484 (1754)
• Sp. Pl.: 1061 (1753)