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.orgView 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.


Invasive Listing Sources:
West Virginia Native Plant Society, Flora West Virginia Project, and West Virginia Curatorial Database System, September 3, 1999