Uruguayan pampas grass USDA PLANTS Symbol: COSE4
U.S. Nativity: Exotic
Habit: Grass or Grasslike
Cortaderia selloana (Schult. & Schult. f.) Asch. & Graebn.

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Taxonomic Rank: Liliopsida: Cyperales: Poaceae
Synonym(s): pampas grass, silver pampas grass, Uruguayan pampasgrass
Native Range: Brazil, Argentina, Chile (BAIL);

Identification, Biology, Control and Management Resources

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


Plant(s);
The Nature Conservancy Archive, The Nature Conservancy, Bugwood.org
Additional Resolutions & Image Usage

Plant(s);
The Nature Conservancy Archive, The Nature Conservancy, Bugwood.org
Additional Resolutions & Image Usage

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

Flower(s);
The Nature Conservancy Archive, The Nature Conservancy, Bugwood.org
Additional Resolutions & Image Usage

Flower(s);
Joy Viola, Northeastern University, Bugwood.org
Additional Resolutions & Image Usage

Flower(s);
Joy Viola, Northeastern University, Bugwood.org
Additional Resolutions & Image Usage

Flower(s); male right and female
Joseph M. DiTomaso, University of California - Davis, Bugwood.org
Additional Resolutions & Image Usage

Flower(s);
Lesley Ingram, , Bugwood.org
Additional Resolutions & Image Usage

Stem(s); collar and sheath.
Joseph M. DiTomaso, University of California - Davis, Bugwood.org
Additional Resolutions & Image Usage

Floret(s); Pair of attached male florets, plus sterile apical floret.
D. Walters and C. Southwick, USDA, Bugwood.org
Additional Resolutions & Image Usage

Floret(s); Lateral view of a female floret.
D. Walters and C. Southwick, USDA, Bugwood.org
Additional Resolutions & Image Usage

Fruit(s); Caryopses in dorsal (left), lateral (middle), and ventral (right) views. Apices at top.
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(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:
Glen Canyon National Recreation Area (Utah)
Grand Canyon National Park (Arizona)



Invasive Listing Sources:
California Invasive Plant Council
Faith Campbell, 1998
Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
John Randall, The Nature Conservancy, Survey of TNC Preserves, 1995.
National  Wildlife Refuge Association, Silent Invasion: A Call to Action from the National Wildlife Refuge Association, 2002. Washington DC. 17 pp.
Native Plant Society of Oregon, 2008
South Carolina Exotic Pest Plant Council