barnyardgrass	USDA PLANTS Symbol: ECCR U.S. Nativity: Exotic Habit: Grass or Grasslike
Echinochloa crus-galli (L.) Beauv

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Taxonomic Rank: Liliopsida: Cyperales: Poaceae

Synonym(s): barnyardgrass, cockspur, Japanese millet, large barnyard grass, watergrass

Native Range: worldwide tropic and warm temp. regions (); (BAIL)

Selected Images from Invasive.org

View All Images at Invasive.org

Seedling(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	Infestation; 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	Feature(s); Leaf collar region Steve Dewey, Utah State University, Bugwood.org Additional Resolutions & Image Usage	Flower(s); Steve Dewey, Utah State University, Bugwood.org Additional Resolutions & Image Usage	Plant(s); Steve Dewey, Utah State University, Bugwood.org Additional Resolutions & Image Usage
Flower(s); inflorescence. Joseph M. DiTomaso, University of California - Davis, Bugwood.org Additional Resolutions & Image Usage	Floret(s); Florets in ventral view. D. Walters and C. Southwick, CPHST, Bugwood.org Additional Resolutions & Image Usage	Spikelet(s); Outer bracts removed to reveal sterile palea and fertile floret. D. Walters and C. Southwick, CPHST, 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

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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:

Badlands National Park (South Dakota)
Chiricahua National Monument (Arizona)
Death Valley National Park (California)
Dinosaur National Monument (Colorado)
Fort Bowie National Historic Site (Arizona)
Grand Canyon National Park (Arizona)
Haleakala National Park (Hawaii)

Invasive Listing Sources:

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

Kentucky Exotic Pest Plant Council

Native Plant Society of Oregon, 2008