annual bluegrass USDA PLANTS Symbol: POAN
U.S. Nativity: Exotic
Habit: Grass or Grasslike
Poa annua L.

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Taxonomic Rank: Liliopsida: Cyperales: Poaceae
Synonym(s): annual blue grass, walkgrass
Native Range: Uncertain - prob origin Europe (GRIN);

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


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

Stem(s);
Bruce Ackley, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage

Foliage;
Joseph M. DiTomaso, University of California - Davis, Bugwood.org
Additional Resolutions & Image Usage

Flower(s);
Steve Dewey, Utah State University, Bugwood.org
Additional Resolutions & Image Usage

Plant(s);
Bruce Ackley, The Ohio State University, Bugwood.org
Additional Resolutions & Image Usage

Plant(s);
Steve Dewey, Utah State University, Bugwood.org
Additional Resolutions & Image Usage

Floret(s); Floret in lateral view.
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:
Death Valley National Park (California)
Fort Bowie National Historic Site (Arizona)
Haleakala National Park (Hawaii)
Yellowstone National Park (Wyoming)



Invasive Listing Sources:
California Invasive Plant Council
City of Ann Arbor Michigan Parks and Recreation
Georgia Exotic Pest Plant Council
Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
Kentucky Exotic Pest Plant Council