Polygonum arenastrum Boreau

Native to:

Afghanistan, Albania, Algeria, Altay, Amur, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Buryatiya, Central European Russia, Chita, Corse, Czechia-Slovakia, Denmark, East Aegean Is., East European Russia, Finland, France, Germany, Greece, Hungary, Iran, Iraq, Irkutsk, Italy, Kamchatka, Khabarovsk, Krasnoyarsk, Kriti, Krym, Kuril Is., Madeira, Magadan, Manchuria, Mongolia, Morocco, Netherlands, North Caucasus, North European Russia, Northwest European Russia, Norway, NW. Balkan Pen., Pakistan, Palestine, Portugal, Primorye, Romania, Sakhalin, Sardegna, Sicilia, Sinai, South European Russia, Spain, Sweden, Switzerland, Transcaucasus, Tunisia, Turkmenistan, Tuva, Türkiye, Türkiye-in-Europe, Ukraine, West Himalaya, West Siberia, Yakutiya

Introduced into:

Alabama, Alaska, Alberta, Arizona, Arkansas, British Columbia, California, Chile Central, Chile South, Colorado, Connecticut, Delaware, Florida, Georgia, Great Britain, Idaho, Illinois, Indiana, Iowa, Ireland, Japan, Kansas, Kentucky, Labrador, Louisiana, Maine, Manitoba, Maryland, Massachusetts, Mexico Northwest, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, New Zealand North, Newfoundland, North Carolina, North Dakota, Northwest Territories, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Poland, Prince Edward I., Québec, Rhode I., Saskatchewan, South Carolina, South Dakota, Tasmania, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, Zimbabwe

POWO follows these authorities in accepting this name:

• (2025). https://doi.org/10.21248/kochia.v18.231. epublication.
• Akeroyd, J.R. (2013). Docks and Knotweeds of Britain and Ireland: 1-258. Botanical Society of Britain and Ireland.
• Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico.
• Boulos, L. (1999). Flora of Egypt 1: 1-419. Al Hadara Publishing, Cairo.
• Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST.
• Danin, A. & Fragman- Sapir, O. (2019). Flora of Israel Online http://flora.org.il/en/plants/.
• Dar, G.H. & Govaerts, R.H.A. (2025). Flora of Kashmir Himalaya: Sind Valley 2: 607-1262. Bishen Singh Mahendra Pal Singh, Dehradun, India.
• Davis, P.H. (ed.) (1967). Flora of Turkey and the East Aegean Islands 2: 1-581. Edinburgh University Press, Edinburgh.
• Dobignard, A. & Chatelain, C. (2013). Index synonymique de la flore d'Afrique du nord 5: 1-451. Éditions des conservatoire et jardin botaniques, Genève.
• Gilman, A.V. (2015). New flora of Vermont. Memoirs of the New York Botanical Garden 110: 1-614.
• Hassler, M. & Muer, T. (2022). Flora Germanica: alle Farn- und Blütenpflanzen Deutschlands in Text und Bild 2: 865-1712. Verlag Regionalkultur, Uberstadt-Weiher.
• Kharkevich, S.S. (ed.) (1989). Plantae Vasculares Orientalis Extremi Sovietici 4: 1-380. Nauka, Leningrad.
• Kozhevnikov, A.E., Kozhevnikov, Z.V., Kwak, M. & Lee, B.Y. (2019). Illustrated flora of the Primorsky Territory, Russian Far East: 1-1124. National institute of biological resources.
• Krasnoborov, I.M. & Malyshev, L.I. (2003). Flora of Siberia 5: 1-305. Scientific Publishers, Inc., Enfield, Plymouth.
• Mateos, M.A. & Valdés, B. (2009). Catálogo de la flora vascular del Rif occidental calizo (N de Marruecos). I Selaginellaceae - Rosaceae. Lagascalia 29: 105-257.
• Mirek, Z., Piękoś-Mirkowa, H., Zając, A. & Zając, M (2020). Vascular plants of Poland an annotated checklist: 1-526. W. Szafer institute of botany, Polish academy of sciences, Krakow, Poland.
• Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.
• Muer, T., Sauerbier, H. & Cabrara Calixto, F. (2020). Die Farn- und Blütenpflanzen Madeiras: 1-792. Verlag und Versandbuchhandlung Andreas Kleinsteuber.
• Nikolin, E.G. (2020). Opredelitel' vysshikh rasteniy Yakutii: 1-895. Moskva : Tovarishchestvo Nauchnykh Izdaniy KMK Novosibirsk "Nauka".
• Parslow, R. & Bennallick, I. (2017). The new flora of the Isles of Scilly: 1-539. Parslow Press.
• Pope, G.V., Polhill, R.M. & Martins, E.S. (eds.) (2006). Flora Zambesiaca 9(3): 1-277. Royal Botanic Gardens, Kew.
• Qaiser, M. (2001). Flora of Pakistan 205: 1-190. Department of Botany, University of Karachi, Karachi.
• Rechinger, K.H. & Schiman-Czeika, H. (1968). Flora Iranica 56: 1-88. Akademische Druck- u. Verlagsanstalt, Graz.
• 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.
• Srivastava, R.C. (2008). Certain new combinations and new synonyms in Polygonaceae of India. Indian Forester 134: 1699.
• Stalažs, A. (2024). List of vascular plants of Latvia (with Latvian names): 1-312. Dobele.
• Takhtajan, A.L. (ed.) in Takhtajan, A.L. (ed.) (2012). Konspekt Flora Kavkaza 3(2): 1-623. Editio Universitatis Petropolitanae.
• Tupitsyna, N.N. (2012). Revision of Polygonaceae Juss. in the flora of southern part of Krasnoyarsk region. Turczaninowia 15(2): 44-48.
• Tutin, T.G. & al. (eds.) (1993). Flora Europaea ed. 2, 1: 1-581. Cambridge University Press.
• Vladimirov, V., Dane, F. & Kit Tan (2015). New floristic records in the Balkans: 26. Phytologia Balcanica 21: 53-91.
• de Salas, MF, Baker, ML (2022). A Census of the Vascular Plants of Tasmania, including Macquarie Island: 1-161. Tasmanian Herbarium, Tasmanian Museum and Art Gallery, Hobart. https://flora.tmag.tas.gov.au/resources/census/.

An alternative taxonomy had been proposed by the following authorities:

• Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics. [Cited as Polygonum depressum.]

Flora Zambesiaca

• Fl. Centre France ed. 3, 2: 559 (1857).

Kew Backbone Distributions

• (2020). https://bsbi.org/archaeophytes. epublication.
• Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico.
• B.A.Fedtschenko & al. (1937). Flora Turkmenii 2: 1-217. Turkmenskoe gosudarstvennoe izd., Ashkhabad.
• Boulos, L. (1999). Flora of Egypt 1: 1-419. Al Hadara Publishing, Cairo.
• Danin, A. & Fragman- Sapir, O. (2019). Flora of Israel Online http://flora.org.il/en/plants/.
• Davis, P.H. (ed.) (1967). Flora of Turkey and the East Aegean Islands 2: 1-581. Edinburgh University Press, Edinburgh.
• Dobignard, A. & Chatelain, C. (2013). Index synonymique de la flore d'Afrique du nord 5: 1-451. Éditions des conservatoire et jardin botaniques, Genève.
• Flora of North America Editorial Committee (2005). Flora of North America North of Mexico 5: 1-656. Oxford University Press, New York, Oxford.
• Garcillán, P.P. & al. (2013). Plantas no nativas naturalizadas de la península de Baja California, México. Botanical Sciences 91: 461-475.
• Gilman, A.V. (2015). New flora of Vermont. Memoirs of the New York Botanical Garden 110: 1-614.
• Iwatsuki, K., Boufford, D.E. & Ohba, H. (eds.) (2006). Flora of Japan IIa: 1-550. Kodansha Ltd., Tokyo.
• Kharkevich, S.S. (ed.) (1989). Plantae Vasculares Orientalis Extremi Sovietici 4: 1-380. Nauka, Leningrad.
• Kral, R., Diamond, A.R., Ginzbarg, S.L., Hansen, C.J., Haynes, R.R., Keener, B.R., Lelong, M.G., Spaulding, D.D. & Woods, M. (2011). Annotated checklist of the vascular plants of Alabama: 1-112. Botanical reseach institute of Texas.
• Krasnoborov, I.M. & Malyshev, L.I. (2003). Flora of Siberia 5: 1-305. Scientific Publishers, Inc., Enfield, Plymouth.
• Malyschev, L.I., Peshkova, G.A. & Baikov, K.S. (eds.) (2007). Flora of Siberia 14: 1-210. Scientific Publishers, Inc., Enfield, Plymouth.
• Mateos, M.A. & Valdés, B. (2009). Catálogo de la flora vascular del Rif occidental calizo (N de Marruecos). I Selaginellaceae - Rosaceae. Lagascalia 29: 105-257.
• Mirek, Z., Piękoś-Mirkowa, H., Zając, A. & Zając, M (2020). Vascular plants of Poland an annotated checklist: 1-526. W. Szafer institute of botany, Polish academy of sciences, Krakow, Poland.
• Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.
• Pope, G.V., Polhill, R.M. & Martins, E.S. (eds.) (2006). Flora Zambesiaca 9(3): 1-277. Royal Botanic Gardens, Kew.
• Rechinger, K.H. & Schiman-Czeika, H. (1968). Flora Iranica 56: 1-88. Akademische Druck- u. Verlagsanstalt, Graz.
• Rodríguez, R., Grau, J., Baeza, C. & Davies, A. (2008). Lista comentada de las plantas vasculares de los Nevados de Chillan, Chile. Gayana. Botánica 65: 153-197.
• Saldivia, P. & Rojas, G. (2008). Nuevos registros y antecedentes de la familia Cactaceae para Chile en la region de Aisen. Gayana. Botánica 65: 198-208.
• Srivastava, R.C. (2008). Certain new combinations and new synonyms in Polygonaceae of India. Indian Forester 134: 1699.
• Takhtajan, A.L. (ed.) in Takhtajan, A.L. (ed.) (2012). Konspekt Flora Kavkaza 3(2): 1-623. Editio Universitatis Petropolitanae.
• Tupitsyna, N.N. (2012). Revision of Polygonaceae Juss. in the flora of southern part of Krasnoyarsk region. Turczaninowia 15(2): 44-48.
• Tutin, T.G. & al. (eds.) (1993). Flora Europaea ed. 2, 1: 1-581. Cambridge University Press.
• Wu, Z. & Raven, P.H. (eds.) (2003). Flora of China 5: 1-505. Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis).
• de Salas, MF, Baker, ML (2022). A Census of the Vascular Plants of Tasmania, including Macquarie Island: 1-161. Tasmanian Herbarium, Tasmanian Museum and Art Gallery, Hobart. https://flora.tmag.tas.gov.au/resources/census/.