Persicaria Mill.

Native to:

Afghanistan, Alabama, Alaska, Albania, Alberta, Algeria, Altay, Amur, Andaman Is., Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Ascension, Assam, Austria, Azores, Bahamas, Baleares, Baltic States, Bangladesh, Belarus, Belgium, Belize, Benin, Bermuda, Bolivia, Botswana, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, British Columbia, Bulgaria, Burkina, Burundi, Buryatiya, California, Cambodia, Cameroon, Canary Is., Cape Provinces, Cape Verde, Caprivi Strip, Cayman Is., Central African Repu, Central European Rus, Chad, Chile Central, Chile North, Chile South, China North-Central, China South-Central, China Southeast, Chita, Colombia, Colorado, Comoros, Congo, Connecticut, Cook Is., Corse, Costa Rica, Cuba, Czechoslovakia, Delaware, Denmark, Desventurados Is., District of Columbia, Dominican Republic, East Aegean Is., East European Russia, East Himalaya, Easter Is., Ecuador, Egypt, El Salvador, Eritrea, Ethiopia, Finland, Florida, France, Free State, French Guiana, Føroyar, Gabon, Galápagos, Gambia, Georgia, Germany, Ghana, Great Britain, Greece, Greenland, Guatemala, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Hainan, Haiti, Honduras, Hungary, Iceland, Idaho, Illinois, India, Indiana, Inner Mongolia, Iowa, Iran, Ireland, Irkutsk, Italy, Ivory Coast, Jamaica, Japan, Jawa, Juan Fernández Is., Kamchatka, Kansas, Kazakhstan, Kazan-retto, Kentucky, Kenya, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., KwaZulu-Natal, Labrador, Laccadive Is., Laos, Leeward Is., Lesotho, Lesser Sunda Is., Liberia, Libya, Louisiana, Madagascar, Madeira, Magadan, Maine, Malawi, Malaya, Mali, Manchuria, Manitoba, Maryland, Masachusettes, Mauritania, Mauritius, 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, Nicobar Is., Niger, Nigeria, Norfolk Is., North Carolina, North Caucasus, North Dakota, North European Russi, Northern Provinces, Northwest European R, Northwest Territorie, Norway, Nova Scotia, Ogasawara-shoto, Ohio, Oklahoma, Oman, Ontario, Oregon, Pakistan, Palestine, Panamá, Paraguay, Pennsylvania, Peru, Philippines, Poland, Portugal, Primorye, Prince Edward I., Puerto Rico, Québec, Rhode I., Romania, Rwanda, Réunion, Sakhalin, Sardegna, Saskatchewan, Saudi Arabia, Senegal, Seychelles, Sicilia, Sierra Leone, Socotra, Somalia, South Carolina, South Dakota, South European Russi, Spain, Sri Lanka, St.Helena, Sudan, Sumatera, Suriname, Swaziland, Sweden, Switzerland, Tadzhikistan, Taiwan, Tanzania, Tennessee, Texas, Thailand, Tibet, Togo, Transcaucasus, Trinidad-Tobago, Tunisia, Turkey-in-Europe, Tuva, Uganda, Ukraine, Uruguay, Utah, Uzbekistan, Vanuatu, Venezuela, Vermont, Vietnam, Virginia, Washington, West Himalaya, West Siberia, West Virginia, Windward Is., Wisconsin, Wyoming, Yakutskiya, Yemen, Yugoslavia, Yukon, Zambia, Zaïre, Zimbabwe

Introduced into:

Falkland Is., Fiji, Hawaii, Qinghai, Solomon Is., Tonga, Turkey, Xinjiang