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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Poa annua
annual blue grass, annual bluegrass, walkgrass
Glen Canyon National Recreation Area
			Record Status: Approved
Occurrence:	Probably Present
Nativeness:	Non-native
Abundance:

Scientific Name with Authority:		Poa annua L.
Park Preferred Common Name(s):
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Poales, Family Poaceae, Genus Poa, Species Poa annua


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		GNR
NatureServe State Rank:		AZ: SNA; UT: SNA
Evidence:		0 Observations, 0 Vouchers, 1 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Abraham Lincoln Birthplace National Historical Park	Acadia National Park
Alagnak Wild River	Antietam National Battlefield
Apostle Islands National Lakeshore	Appalachian National Scenic Trail
Assateague Island National Seashore	Bandelier National Monument
Big Thicket National Preserve	Bighorn Canyon National Recreation Area
Blue Ridge Parkway	Boston Harbor Islands National Recreation Area
Buffalo National River	Canyon De Chelly National Monument
Cape Cod National Seashore	Cape Hatteras National Seashore
Cape Lookout National Seashore	Carl Sandburg Home National Historic Site
Carlsbad Caverns National Park	Castillo De San Marcos National Monument
Catoctin Mountain Park	Cedar Breaks National Monument
Chamizal National Memorial	Channel Islands National Park
Chattahoochee River National Recreation Area	Chesapeake and Ohio Canal National Historical Park
Chickamauga and Chattanooga National Military Park	Chickasaw National Recreation Area
City Of Rocks National Reserve	Colonial National Historical Park
Congaree National Park	Cowpens National Battlefield
Crater Lake National Park	Cumberland Gap National Historical Park
Cumberland Island National Seashore	Cuyahoga Valley National Park
Death Valley National Park	Delaware Water Gap National Recreation Area
Devils Postpile National Monument	Ebey's Landing National Historical Reserve
Effigy Mounds National Monument	Eleanor Roosevelt National Historic Site
Eugene O'Neill National Historic Site	Fire Island National Seashore
First State National Historical Park	Fort Bowie National Historic Site
Fort Caroline National Memorial	Fort Donelson National Battlefield
Fort Frederica National Monument	Fort Matanzas National Monument
Fort Point National Historic Site	Fort Sumter National Historical Park
Fort Union Trading Post National Historic Site	Fort Vancouver National Historic Site
Gateway National Recreation Area	George Washington Birthplace National Monument
George Washington Carver National Monument	George Washington Memorial Parkway
Gettysburg National Military Park	Glacier Bay National Park and Preserve
Glacier National Park	Golden Gate National Recreation Area
Grand Canyon National Park	Grand Portage National Monument
Grand Teton National Park	Great Basin National Park
Great Falls Park	Great Smoky Mountains National Park
Guadalupe Mountains National Park	Guilford Courthouse National Military Park
Gulf Islands National Seashore	Haleakala National Park
Hawaii Volcanoes National Park	Home of Franklin D. Roosevelt National Historic Site
Hopewell Furnace National Historic Site	Hot Springs National Park
Indiana Dunes National Park	Isle Royale National Park
Jean Lafitte National Historical Park and Preserve	John Muir National Historic Site
Kenai Fjords National Park	Kenilworth Park and Aquatic Gardens
Kennesaw Mountain National Battlefield Park	Kings Mountain National Military Park
Klondike Gold Rush National Historical Park	Lake Clark National Park and Preserve
Lake Mead National Recreation Area	Lassen Volcanic National Park
Little River Canyon National Preserve	Lyndon B. Johnson National Historical Park
Mammoth Cave National Park	Manassas National Battlefield Park
Martin Van Buren National Historic Site	Mesa Verde National Park
Minute Man National Historical Park	Missouri National Recreational River
Monocacy National Battlefield	Moores Creek National Battlefield
Mount Rainier National Park	Natchez Trace Parkway
New River Gorge National Park and Preserve	Nez Perce National Historical Park
Ninety Six National Historic Site	North Cascades National Park
Obed Wild and Scenic River	Ocmulgee Mounds National Historical Park
Olympic National Park	Oregon Caves National Monument
Organ Pipe Cactus National Monument	Pea Ridge National Military Park
Pictured Rocks National Lakeshore	Pinnacles National Park
Point Reyes National Seashore	Presidio of San Francisco
Prince William Forest Park	Rainbow Bridge National Monument
Redwood National Park	Richmond National Battlefield Park
Rock Creek Park	Rocky Mountain National Park
Sagamore Hill National Historic Site	Saguaro National Park
Saint Croix National Scenic Riverway	Saint-Gaudens National Historical Park
San Antonio Missions National Historical Park	San Juan Island National Historical Park
Santa Monica Mountains National Recreation Area	Saratoga National Historical Park
Sequoia and Kings Canyon National Parks	Shenandoah National Park
Sitka National Historical Park	Sleeping Bear Dunes National Lakeshore
Stones River National Battlefield	Suitland Parkway
Theodore Roosevelt Island National Memorial	Thomas Stone National Historic Site
Timucuan Ecological and Historic Preserve	Upper Delaware Scenic and Recreational River
Valles Caldera National Preserve	Valley Forge National Historical Park
Voyageurs National Park	Whiskeytown National Recreation Area
Wilson's Creek National Battlefield	Wrangell - St Elias National Park and Preserve
Yellowstone National Park	Yosemite National Park


Last Modified Date:	9/6/2005

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/1/2025 7:20:04 PM

NatureServe Global Rank and State Rank

NatureServe. 2017. NatureServe Web Service. Arlington, VA. U.S.A. Available http://services.natureserve.org. Accessed: 12/4/2017. Updated quarterly.

This information is provided by NatureServe (www.natureserve.org) and its network of natural heritage member programs, a leading source of information about rare and endangered species, and threatened ecosystems.


Species Profile	Page 1 of 1	10/1/2025 7:20:04 PM

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