Polygonum L.

Native to:

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

Introduced into:

Brazil South, Brazil Southeast, Chile North, Colombia, Ecuador, Falkland Is., Hawaii, Juan Fernández Is., Lesotho, Mauritius, Mexico Central, New Zealand North, Paraguay, Réunion, Svalbard, Tristan da Cunha

POWO follows these authorities in accepting this name:

• Schuster, T.M., Reveal, J.L., Bayly, M.J. & Kron, K.A. (2015). An updated molecular phylogeny of Polygonoideae (Polygonaceae): relationships of Oxygonum, Pteroxygonum, and Rumex, and a new circumscription of Koenigia. Taxon 64: 1188-1208.

Flora of West Tropical Africa

• A. N. Steward in Contrib. Gray Herb. Harv. 88 (1930).
• —F.T.A. 6, 1: 103

Flora Zambesiaca

• Bot. J. Linn. Soc. 98: 340–343 (1988).
• F.T.E.A., Polygonaceae: 13–14 (1958).
• Gen. Pl., ed. 5: 170 (1754) nom. conserv.
• Graham in F.T.E.A., Polygonaceae: 13–14 (1958).
• Meisner in de Candolle, Prodr. 14: 85–101 (1856).
• Ronse Decraene & Akeroyd in Bot. J. Linn. Soc. 98: 340–343 (1988).
• Sp. Pl.: 359 (1753)
• de Candolle, Prodr. 14: 85–101 (1856).

Flora of Somalia

• Flora Somalia, Vol 1, (1993) Author: by M. Thulin [updated by M. Thulin 2008]

Flora of Tropical East Africa

• L., Gen. Pl., ed. 5: 170 (1754)
• Sp. Pl.: 359 (1753)