silversheath knotweed USDA PLANTS Symbol: POAR5
U.S. Nativity: Exotic
Habit: Forbs/Herbs
Polygonum argyrocoleon Steud. Ex Kunze

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Taxonomic Rank: Magnoliopsida: Polygonales: Polygonaceae
Native Range: temp. Asia & Europe (GRIN);

Selected Images from Invasive.orgView All Images at Invasive.org


Plant(s); plant.
Joseph M. DiTomaso, University of California - Davis, Bugwood.org
Additional Resolutions & Image Usage

Flower(s); flowering stem.
Joseph M. DiTomaso, University of California - Davis, Bugwood.org
Additional Resolutions & Image Usage

Seedling(s); seedling.
Joseph M. DiTomaso, University of California - Davis, 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(s) Where Reported invasive.
Based on state level agency and organization lists of invasive plants from WeedUS database.

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U.S. National Parks where reported invasive:
Death Valley National Park (California)
Lake Mead National Park (Nevada)



Invasive Listing Sources:
Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007