| prostrate knotweed | USDA PLANTS Symbol: POAV U.S. Nativity: Exotic Habit: Forbs/Herbs |
| Polygonum aviculare L. |
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Taxonomic Rank: Magnoliopsida: Polygonales: Polygonaceae |
| Synonym(s): yard knotweed |
| Selected Images from Invasive.org | View All Images at Invasive.org |
 Plant(s); habitat Robert Vidéki, Doronicum Kft., Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); habitat Robert Vidéki, Doronicum Kft., Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); habitat Robert Vidéki, Doronicum Kft., Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); Bruce Ackley, The Ohio State University, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); Plant Forest and Kim Starr, Starr Environmental, Bugwood.org Additional Resolutions & Image Usage |
 Foliage; Bruce Ackley, The Ohio State University, Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); Bruce Ackley, The Ohio State University, Bugwood.org Additional Resolutions & Image Usage |
 Fruit(s); Looking down on the fruit apex. Note that one of the faces is significantly narrower than the other two faces. D. Walters and C. Southwick, USDA, Bugwood.org Additional Resolutions & Image Usage |
 Fruit(s); Three fruits with most of the perianth removed. Note granular surface and divided apex. D. Walters and C. Southwick, USDA, Bugwood.org Additional Resolutions & Image Usage |
| EDDMapS Distribution: This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org |
 State List This map identifies those states that list this species on their invasive species list or law. 
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| Invasive Listing Sources: |
| West Virginia Native Plant Society, Flora West Virginia Project, and West Virginia Curatorial Database System, September 3, 1999 |
