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Park			Taxon Code
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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Hordeum pusillum
LITTLE BARLEY
Theodore Roosevelt National Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Common

Scientific Name with Authority:		Hordeum pusillum Nutt.
Park Preferred Common Name(s):		LITTLE BARLEY
Park Synonyms:

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


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		ND: S3
Evidence:		0 Observations, 0 Vouchers, 1 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Anacostia Park	Arkansas Post National Memorial
Assateague Island National Seashore	Aztec Ruins National Monument
Badlands National Park	Bent's Old Fort National Historic Site
Big Thicket National Preserve	Buffalo National River
Canyon De Chelly National Monument	Canyonlands National Park
Cape Hatteras National Seashore	Cape Lookout National Seashore
Capitol Reef National Park	Carlsbad Caverns National Park
Chaco Culture National Historical Park	Chattahoochee River National Recreation Area
Chickamauga and Chattanooga National Military Park	Chickasaw National Recreation Area
Colonial National Historical Park	Dinosaur National Monument
Fort Donelson National Battlefield	Fort Laramie National Historic Site
Fort Larned National Historic Site	Fort Pulaski National Monument
George Washington Birthplace National Monument	George Washington Carver National Monument
George Washington Memorial Parkway	Grand Canyon National Park
Great Smoky Mountains National Park	Guadalupe Mountains National Park
Gulf Islands National Seashore	Homestead National Historical Park
Hot Springs National Park	Jean Lafitte National Historical Park and Preserve
Kenilworth Park and Aquatic Gardens	Kennesaw Mountain National Battlefield Park
Lake Meredith National Recreation Area	Little River Canyon National Preserve
Lyndon B. Johnson National Historical Park	Mammoth Cave National Park
Manassas National Battlefield Park	Mesa Verde National Park
Mill Springs Battlefield National Monument	Missouri National Recreational River
Moores Creek National Battlefield	Natchez Trace Parkway
Ninety Six National Historic Site	Padre Island National Seashore
Pecos National Historical Park	Petrified Forest National Park
Pipestone National Monument	Piscataway Park
Prince William Forest Park	Richmond National Battlefield Park
Russell Cave National Monument	Saguaro National Park
San Antonio Missions National Historical Park	Scotts Bluff National Monument
Shiloh National Military Park	Stones River National Battlefield
Tallgrass Prairie National Preserve	Tonto National Monument
Tumacacori National Historical Park	Vicksburg National Military Park
Washita Battlefield National Historic Site	Wilson's Creek National Battlefield
Wind Cave National Park	Yellowstone National Park
Zion National Park


Last Modified Date:	12/4/2006

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 11/5/2025 12:10:44 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	11/5/2025 12:10:44 PM

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