| purple nutsedge |
USDA PLANTS Symbol: CYRO USDA ARS GRIN: 316644 ITIS: 39900 NAPIS: PBMADBM |
| Cyperus rotundus L. | |
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Taxonomic Rank: Liliopsida: Cyperales: Cyperaceae |
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| Synonym(s): nutgrass, chaguan humatag, cocograss, kili'o'opu, pakopako, purple nutsedge |
| Selected Images from Invasive.org | View All Images at Invasive.org |
 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 Additional Resolutions & Image Usage |
 Plant(s); Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org Additional Resolutions & Image Usage |
 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 Additional Resolutions & Image Usage |
Taxonomic References:
- USDA, NRCS. 2001. The PLANTS Database, Version 3.1, National Plant Data Center, Baton Rouge, LA 70874-4490 USA.
Invasive Listing Sources:
- Mid-Atlantic Exotic Pest Plant Council, 2005
- New Jersey Department of Agriculture, Division of Plant Industry, 2004
- Nonnative Invasive Species in Southern Forest and Grassland Ecosystems
- University of Hawaii, Botany Department, Hawaiian Alien Plant Studies, 1998
- WeedUS - Database of Plants Invading Natural Areas in the United States
- Arkansas Noxious Weeds Noxious
- California Noxious Weeds
- Oregon Noxious Weeds
- Washington Noxious Weeds
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