purple nutsedge USDA PLANTS Symbol: CYRO
U.S. Nativity: Exotic
Habit: Grass or Grasslike
Cyperus rotundus L.

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Taxonomic Rank: Liliopsida: Cyperales: Cyperaceae
Synonym(s): nutgrass, chaguan humatag, cocograss, kili'o'opu, pakopako, purple nutsedge
Native Range: Not Found (BAIL);

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


Plant(s);
Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org
Additional Resolutions & Image Usage

Flower(s);
Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org
Additional Resolutions & Image Usage

Flower(s);
Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org
Additional Resolutions & Image Usage

Plant(s); Growing through asphalt
Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org
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Flower(s); November. Photo from Forest Plants of the Southeast and Their Wildlife Uses by J.H. Miller and K.V. Miller, published by The University of Georgia Press in cooperation with the Southern Weed Science Society.
James H. Miller, USDA Forest Service, Bugwood.org
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Infestation; A native of India, has been called the world's worst weed. Is shown here infesting cotton in Mississippi.
Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org
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Plant(s); showing the entire plant and spread by rhizome
Joseph LaForest, University of Georgia, Bugwood.org
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Flower(s);
Joseph M. DiTomaso, University of California - Davis, Bugwood.org
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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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Invasive Listing Sources:
Mid-Atlantic Exotic Pest Plant Council, 2005
New Jersey Department of Agriculture, Division of Plant Industry, 2004
University of Hawaii, Botany Department, Hawaiian Alien Plant Studies, 1998