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Scientific Name
Hordeum pusillum
Scientific Name w/ Auth.
Hordeum pusillum Nutt.
Park
Great Smoky Mountains National Park (GRSM)
Sensitive
No
Park Accepted
Accepted
Record Status
Approved
Park Preferred Common Names
Little Barley
Park Synonyms
Taxonomic Hierarchy
| Kingdom | Plantae |
| Subkingdom | Viridiplantae |
| Infrakingdom | Streptophyta |
| Superdivision | Embryophyta |
| Division | Tracheophyta |
| Subdivision | Spermatophytina |
| Class | Magnoliopsida |
| Superorder | Lilianae |
| Order | Poales |
| Family | Poaceae |
| Genus | Hordeum |
| Species | Hordeum pusillum |
Occurrence
Present
Occurrence Notes
Data Source: Vascular Plant Checklist for Great Smoky Mountains NP Prepared on June 21, 2004 by Janet Rock
Nativeness
Non-native
Nativeness Notes
I. Sabo (5/20/2026): Classified as an exotic species in eastern TN and western NC in Flora of the Southeastern United States (2025 Edition).
Abundance
Rare
Abundance Notes
Abundance = Rare-l or 2 locales, small populations; Data Source: Vascular Plant Checklist for Great Smoky Mountains NP Prepared on June 21, 2004 by Janet Rock
Elevation Range Tags
- Low
Life form Tags
- Annual graminoid
Park Rank Tags
- Park rare
Taxa Group Tags
- Vascular-plant
Taxa Subcategory Tags
- Monocot
Wetland Status Tags
- Facultative
Bloom Time Tags
- April
- May
- June
Threatened Endangered Status
State Species of Concern statuses
Ozone Sensitive Status
NatureServe GRank
NatureServe SRank
Observations
0
References
Vouchers
0
External Links
0
Evidence counts shown include evidence for related synonyms.
Created By
sjd-MACA
Created Date
12/14/2000 12:00:00 AM
Last Modified By
isabo@nps.gov
Last Modified Date
5/20/2026 5:26:18 PM
Notes
Park Species Detail: RangeCode = lo; Range = Low elevations-850ft.-2,500ft. ATBI Sensitivity = Park-Only, Park Species Data Source: White et.al. 1982-98
Other Parks
Anacostia Park (ANAC)
Arkansas Post National Memorial (ARPO)
Assateague Island National Seashore (ASIS)
Aztec Ruins National Monument (AZRU)
Badlands National Park (BADL)
Bent's Old Fort National Historic Site (BEOL)
Big Thicket National Preserve (BITH)
Buffalo National River (BUFF)
Canyon De Chelly National Monument (CACH)
Cape Hatteras National Seashore (CAHA)
Cape Lookout National Seashore (CALO)
Hot Springs National Park (HOSP)
Dinosaur National Monument (DINO)
Chickasaw National Recreation Area (CHIC)
Homestead National Historical Park (HOME)
Kennesaw Mountain National Battlefield Park (KEMO)
George Washington Birthplace National Monument (GEWA)
George Washington Carver National Monument (GWCA)
Guadalupe Mountains National Park (GUMO)
Fort Larned National Historic Site (FOLS)
Capitol Reef National Park (CARE)
Gulf Islands National Seashore (GUIS)
Kenilworth Park and Aquatic Gardens (KEAQ)
Grand Canyon National Park (GRCA)
Fort Pulaski National Monument (FOPU)
Carlsbad Caverns National Park (CAVE)
Fort Donelson National Battlefield (FODO)
Chattahoochee River National Recreation Area (CHAT)
Canyonlands National Park (CANY)
Jean Lafitte National Historical Park and Preserve (JELA)
Colonial National Historical Park (COLO)
Chickamauga and Chattanooga National Military Park (CHCH)
Fort Laramie National Historic Site (FOLA)
George Washington Memorial Parkway (GWMP)
Chaco Culture National Historical Park (CHCU)
Natchez Trace Parkway (NATR)
Pipestone National Monument (PIPE)
Pecos National Historical Park (PECO)
Lake Meredith National Recreation Area (LAMR)
Petrified Forest National Park (PEFO)
Vicksburg National Military Park (VICK)
Zion National Park (ZION)
Theodore Roosevelt National Park (THRO)
Little River Canyon National Preserve (LIRI)
Wind Cave National Park (WICA)
San Antonio Missions National Historical Park (SAAN)
Tonto National Monument (TONT)
Stones River National Battlefield (STRI)
Saguaro National Park (SAGU)
Lyndon B. Johnson National Historical Park (LYJO)
Piscataway Park (PISC)
Mesa Verde National Park (MEVE)
Padre Island National Seashore (PAIS)
Russell Cave National Monument (RUCA)
Wilson's Creek National Battlefield (WICR)
Scotts Bluff National Monument (SCBL)
Missouri National Recreational River (MNRR)
Ninety Six National Historic Site (NISI)
Yellowstone National Park (YELL)
Tallgrass Prairie National Preserve (TAPR)
Prince William Forest Park (PRWI)
Tumacacori National Historical Park (TUMA)
Washita Battlefield National Historic Site (WABA)
Moores Creek National Battlefield (MOCR)
Shiloh National Military Park (SHIL)
Mammoth Cave National Park (MACA)
Manassas National Battlefield Park (MANA)
Richmond National Battlefield Park (RICH)
Mill Springs Battlefield National Monument (MISP)
Arkansas Post National Memorial (ARPO)
Assateague Island National Seashore (ASIS)
Aztec Ruins National Monument (AZRU)
Badlands National Park (BADL)
Bent's Old Fort National Historic Site (BEOL)
Big Thicket National Preserve (BITH)
Buffalo National River (BUFF)
Canyon De Chelly National Monument (CACH)
Cape Hatteras National Seashore (CAHA)
Cape Lookout National Seashore (CALO)
Hot Springs National Park (HOSP)
Dinosaur National Monument (DINO)
Chickasaw National Recreation Area (CHIC)
Homestead National Historical Park (HOME)
Kennesaw Mountain National Battlefield Park (KEMO)
George Washington Birthplace National Monument (GEWA)
George Washington Carver National Monument (GWCA)
Guadalupe Mountains National Park (GUMO)
Fort Larned National Historic Site (FOLS)
Capitol Reef National Park (CARE)
Gulf Islands National Seashore (GUIS)
Kenilworth Park and Aquatic Gardens (KEAQ)
Grand Canyon National Park (GRCA)
Fort Pulaski National Monument (FOPU)
Carlsbad Caverns National Park (CAVE)
Fort Donelson National Battlefield (FODO)
Chattahoochee River National Recreation Area (CHAT)
Canyonlands National Park (CANY)
Jean Lafitte National Historical Park and Preserve (JELA)
Colonial National Historical Park (COLO)
Chickamauga and Chattanooga National Military Park (CHCH)
Fort Laramie National Historic Site (FOLA)
George Washington Memorial Parkway (GWMP)
Chaco Culture National Historical Park (CHCU)
Natchez Trace Parkway (NATR)
Pipestone National Monument (PIPE)
Pecos National Historical Park (PECO)
Lake Meredith National Recreation Area (LAMR)
Petrified Forest National Park (PEFO)
Vicksburg National Military Park (VICK)
Zion National Park (ZION)
Theodore Roosevelt National Park (THRO)
Little River Canyon National Preserve (LIRI)
Wind Cave National Park (WICA)
San Antonio Missions National Historical Park (SAAN)
Tonto National Monument (TONT)
Stones River National Battlefield (STRI)
Saguaro National Park (SAGU)
Lyndon B. Johnson National Historical Park (LYJO)
Piscataway Park (PISC)
Mesa Verde National Park (MEVE)
Padre Island National Seashore (PAIS)
Russell Cave National Monument (RUCA)
Wilson's Creek National Battlefield (WICR)
Scotts Bluff National Monument (SCBL)
Missouri National Recreational River (MNRR)
Ninety Six National Historic Site (NISI)
Yellowstone National Park (YELL)
Tallgrass Prairie National Preserve (TAPR)
Prince William Forest Park (PRWI)
Tumacacori National Historical Park (TUMA)
Washita Battlefield National Historic Site (WABA)
Moores Creek National Battlefield (MOCR)
Shiloh National Military Park (SHIL)
Mammoth Cave National Park (MACA)
Manassas National Battlefield Park (MANA)
Richmond National Battlefield Park (RICH)
Mill Springs Battlefield National Monument (MISP)
