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Also known as: Discolenta punctata, Mitesia punctata, Persicaria acre, Persicaria acris, Persicaria punctata breviciliata, Persicaria punctata confertiflora, Persicaria punctata eciliata, Persicaria punctata tacubayana, Peutalis punctata, Polygonum acre, Polygonum acre albiflorum, Polygonum acre aquatile, Polygonum acre brachystachyum, Polygonum acre breviciliatum, Polygonum acre riparium, Polygonum antihaemorrhoidale, Polygonum antihaemorrhoidale aquatile, Polygonum antihaemorrhoidale riparium, Polygonum distachyum, Polygonum eciliatum, Polygonum epilobioides, Polygonum gracilescens, Polygonum maritimum, Polygonum punctatum, Polygonum punctatum aquatile, Polygonum punctatum breviciliatum, Polygonum punctatum eciliatum, Polygonum punctatum ellipticum, Polygonum punctatum littorale, Polygonum punctatum longicollum, Polygonum punctatum mexicanum, Polygonum punctatum parviflorum, Polygonum punctatum punctatum, Polygonum punctatum riparium, Polygonum punctatum stipitatum, Polygonum punctatum tacubayanum, Polygonum punctatum typicum, Polygonum riparium
Germany
Species profile
- Accepted name
- Persicaria punctata (Elliott) Small Species
- Common names
- dotted knotweed, Dotted Smart Weed, Dotted Smartweed, American Willow Weed, Dotted Smartweed, Dotted Knotweed, Water Smartweed, dotted water smartweed, Persicaria 'São Paulo', water smartweed
- Trade names
- Sao Paulo
- Kingdom
- Plantae
- Division
- Tracheophyta
- Class
- Magnoliopsida
- Order
- Caryophyllales
- Family
- Polygonaceae
- Genus
- Persicaria
- Habitat
- Terrestrial
- Distribution
- Caribbean; North America; Oceania; Nepal [I]; New Zealand [I]; Hawaii [I] (Hawaii Isl. [I]); Canada (British Columbia, Manitoba, New Brunswick, Nova Scotia, Ontario, Prince Edward Isl., Quebec, Saskatchewan); USA (Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, Washington State, West Virginia, Wisconsin, Wyoming); Bermuda; Mexico (Aguascalientes, Baja California Norte, Baja California Sur, Campeche, Chiapas, Chihuahua, Coahuila, Colima, Ciudad de Mexico, Durango, Guanajuato, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacan, Morelos, Nayarit, Nuevo Leon, Oaxaca, Puebla, Querétaro, Quintana Roo, San Luis Potosí, Sinaloa, Sonora, Tabasco, Tamaulipas, Tlaxcala, Veracruz, Zacatecas); Guatemala; Belize; Honduras; Nicaragua; Costa Rica; Panama; Bahamas; Cuba; Cayman Isl.; Jamaica; Hispaniola; Puerto Rico; Guadeloupe; Marie-Galante; Martinique; St. Lucia; St. Vincent; Trinidad; Colombia (Antioquia, Boyacá, Chocó, Cundinamarca, Magdalena, Meta, Santander, Valle); Venezuela (Amazonas, Anzoategui?, Apure, Aragua, Barinas, Carabobo, Cojedes?, Delta Amacuro, Venezuela Distrito Federal, Guarico?, Lara, Merida, Miranda, Portuguesa, Sucre, Tachira, Trujillo); Guyana; Surinam; French Guiana; Ecuador; Galapagos; Peru; Bolivia (Beni, Chuquisaca, Cochabamba, La Paz, Pando, Tarija); Brazil (Paraná, Rio Grande do Sul, Santa Catarina); N-Brazil (Roraima, Pará, Amazonas, Acre); NE-Brazil (Maranhão, Paraíba, Pernambuco, Bahia); WC-Brazil (Mato Grosso, Goiás, Brasilia Distrito Federal, Mato Grosso do Sul); SE-Brazil (Minas Gerais, Espírito Santo, São Paulo, Rio de Janeiro); Paraguay (Alto Paraguay, Alto Paraná, Amambay, Caazapa, Canindeyu, Central, Concepcion, Cordillera, Guaira, Itapua, Neembucu, Paraguari, Pres. Hayes, San Pedro); Uruguay (Canelones, Rocha, San Jose, Tacuarembo); Argentina (Buenos Aires, Catamarca, Chaco, Cordoba, Corrientes, Entre Rios, Formosa, Jujuy, La Rioja, Misiones, Neuquén, Salta, Santiago del Estero, Santa Fe, San Juan, San Luis, Tucuman); Alabama
- Basionym
- Polygonum punctatum Elliott
- Published in
- Small. (1903). In: Fl. S. E. U. S. 379.
Media and observations
herb (Database of Vascular Plants of Canada (VASCAN))
Herb. (Checklist of vascular plants of the Ñeembucú Department, Paraguay)
GBIF Secretariat (2023). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2026-10-05. Accessed via https://www.gbif.org/species/6390957 https://www.gbif.org/species/6390957
Common and trade names from InterAquaristik product data.
Common and trade names from InterAquaristik product data.
· Last updated Oct 5, 2026, 3:31 AM