Bistorta (L.) Scop.

Native to:

Afghanistan, Alaska, Albania, Alberta, Aleutian Is., Altay, Amur, Arizona, Assam, Austria, Baltic States, Belarus, Belgium, British Columbia, Bulgaria, Buryatiya, California, Central European Russia, China North-Central, China South-Central, China Southeast, Chita, Colorado, Czechia-Slovakia, Denmark, East European Russia, East Himalaya, Finland, France, Føroyar, Germany, Great Britain, Greece, Greenland, Hungary, Iceland, Idaho, Inner Mongolia, Iran, Iraq, Ireland, Irkutsk, Italy, Japan, Kamchatka, Kazakhstan, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Krym, Kuril Is., Labrador, Laos, Magadan, Maine, Manchuria, Manitoba, Mexico Northeast, Michigan, Minnesota, Mongolia, Montana, Morocco, Myanmar, Nepal, Netherlands, Nevada, New Brunswick, New Hampshire, New Mexico, Newfoundland, North Caucasus, North European Russia, Northwest European Russia, Northwest Territories, Norway, Nunavut, NW. Balkan Pen., Ontario, Oregon, Pakistan, Poland, Portugal, Primorye, Qinghai, Québec, Romania, Sakhalin, Saskatchewan, South Dakota, South European Russia, Spain, Svalbard, Sweden, Switzerland, Tadzhikistan, Thailand, Tibet, Transcaucasus, Tuva, Türkiye, Ukraine, Utah, Uzbekistan, Vermont, Washington, West Himalaya, West Siberia, Wyoming, Xinjiang, Yakutiya, Yukon

Introduced into:

Massachusetts, Nova Scotia

POWO follows these authorities in accepting this name:

• Nikolin, E.G. (2020). Opredelitel' vysshikh rasteniy Yakutii: 1-895. Moskva : Tovarishchestvo Nauchnykh Izdaniy KMK Novosibirsk "Nauka".
• 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.
• Stalažs, A. (2024). List of vascular plants of Latvia (with Latvian names): 1-312. Dobele.

An alternative taxonomy had been proposed by the following authorities:

• Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne. [Cited as Persicaria.]