Fallopia Adans.

Native to:

Afghanistan, Alabama, Albania, Alberta, Algeria, Altay, Amur, Arkansas, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Buryatiya, Canary Is., Central European Rus, China North-Central, China South-Central, China Southeast, Chita, Colorado, Connecticut, Corse, Cyprus, Czechoslovakia, Delaware, Denmark, District of Columbia, East Aegean Is., East European Russia, East Himalaya, Egypt, Finland, Florida, France, Føroyar, Georgia, Germany, Great Britain, Greece, Hungary, Illinois, India, Indiana, Inner Mongolia, Iowa, Iran, Iraq, Irkutsk, Italy, Japan, Kamchatka, Kansas, Kazakhstan, Kentucky, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., Lebanon-Syria, Libya, Louisiana, Madeira, Magadan, Maine, Manchuria, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Mongolia, Morocco, Nebraska, Nepal, Netherlands, New Brunswick, New Hampshire, New Jersey, New York, North Carolina, North Caucasus, North Dakota, North European Russi, Northwest European R, Norway, Nova Scotia, Ohio, Oklahoma, Ontario, Pakistan, Panamá, Pennsylvania, Poland, Portugal, Primorye, Prince Edward I., Qinghai, Québec, Rhode I., Romania, Sakhalin, Sardegna, Saskatchewan, Sicilia, South Carolina, South Dakota, South European Russi, Spain, Sweden, Switzerland, Tadzhikistan, Tennessee, Texas, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Ukraine, Uzbekistan, Vermont, Vietnam, Virginia, West Himalaya, West Siberia, West Virginia, Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yugoslavia

Introduced into:

Alaska, Aleutian Is., Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Bermuda, Bolivia, Brazil South, Brazil Southeast, British Columbia, California, Cape Provinces, Chile Central, Chile South, Cuba, Dominican Republic, Eritrea, Ethiopia, Free State, Greenland, Hawaii, Iceland, Idaho, Ireland, Kenya, Labrador, Lesotho, Mexico Gulf, Mexico Northeast, Mexico Northwest, Montana, Mozambique, Nansei-shoto, Nevada, New Caledonia, New Mexico, New Zealand North, New Zealand South, Newfoundland, Norfolk Is., Northern Provinces, Oregon, Palestine, Paraguay, Peru, Svalbard, Taiwan, Tasmania, Utah, Washington, Yukon, Zimbabwe

POWO follows these authorities in accepting this name:

• Govaerts, R. (2001). World Checklist of Seed Plants Database in ACCESS E-F: 1-50919.
• 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 Zambesiaca

• Bilderdykia Dumort., Fl. Belg.: 18 (1827) pro parte.
• Bot. J. Linn. Soc. 98: 344–346 (1988).
• Fam. Pl. 2: 274, 277 & 557 (1763).
• Ronse Decraene & Akeroyd in Bot. J. Linn. Soc. 98: 344–346 (1988).