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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Oxalis stricta
common yellow oxalis, erect woodsorrel, sheep sorrel, sourgrass, toad sorrel, upright yellow woodsorrel, upright yellow wood-sorrel, yellow woodsorrel
Natchez Trace Parkway
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Common

Scientific Name with Authority:		Oxalis stricta L.
Park Preferred Common Name(s):
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Oxalidales, Family Oxalidaceae, Genus Oxalis, Species Oxalis stricta


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		AL: SNR; MS: SNR; TN: SNR
Evidence:		0 Observations, 4 Vouchers, 4 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Abraham Lincoln Birthplace National Historical Park	Acadia National Park
Allegheny Portage Railroad National Historic Site	Amistad National Recreation Area
Antietam National Battlefield	Apostle Islands National Lakeshore
Appalachian National Scenic Trail	Appomattox Court House National Historical Park
Arkansas Post National Memorial	Assateague Island National Seashore
Badlands National Park	Big Bend National Park
Big South Fork National River and Recreation Area	Big Thicket National Preserve
Blue Ridge Parkway	Bluestone National Scenic River
Booker T. Washington National Monument	Boston Harbor Islands National Recreation Area
Buffalo National River	Canaveral National Seashore
Cape Cod National Seashore	Cape Hatteras National Seashore
Cape Lookout National Seashore	Carl Sandburg Home National Historic Site
Catoctin Mountain Park	Chattahoochee River National Recreation Area
Chesapeake and Ohio Canal National Historical Park	Chickamauga and Chattanooga National Military Park
Chickasaw National Recreation Area	Chiricahua National Monument
Colonial National Historical Park	Congaree National Park
Cowpens National Battlefield	Cumberland Gap National Historical Park
Cumberland Island National Seashore	Cuyahoga Valley National Park
Delaware Water Gap National Recreation Area	Devils Tower National Monument
Effigy Mounds National Monument	Eisenhower National Historic Site
Eleanor Roosevelt National Historic Site	Fire Island National Seashore
Fort Donelson National Battlefield	Fort Frederica National Monument
Fort Larned National Historic Site	Fort Necessity National Battlefield
Fort Pulaski National Monument	Fort Sumter National Historical Park
Fredericksburg and Spotsylvania County Battlefields Memorial National Military Park	Friendship Hill National Historic Site
Gateway National Recreation Area	Gauley River National Recreation Area
George Washington Birthplace National Monument	George Washington Carver National Monument
George Washington Memorial Parkway	Gettysburg National Military Park
Great Falls Park	Great Smoky Mountains National Park
Guilford Courthouse National Military Park	Gulf Islands National Seashore
Harpers Ferry National Historical Park	Herbert Hoover National Historic Site
Homestead National Historical Park	Hopewell Culture National Historical Park
Hopewell Furnace National Historic Site	Horseshoe Bend National Military Park
Hot Springs National Park	Indiana Dunes National Park
Jimmy Carter National Historical Park	Johnstown Flood National Memorial
Katahdin Woods and Waters National Monument	Kenilworth Park and Aquatic Gardens
Kennesaw Mountain National Battlefield Park	Kings Mountain National Military Park
Knife River Indian Villages National Historic Site	Lincoln Boyhood National Memorial
Little River Canyon National Preserve	Lyndon B. Johnson National Historical Park
Mammoth Cave National Park	Manassas National Battlefield Park
Marsh-Billings-Rockefeller National Historical Park	Martin Van Buren National Historic Site
Minute Man National Historical Park	Mississippi National River and Recreation Areas
Missouri National Recreational River	Monocacy National Battlefield
Moores Creek National Battlefield	Morristown National Historical Park
Mount Rushmore National Memorial	New River Gorge National Park and Preserve
Ninety Six National Historic Site	Niobrara National Scenic River
North Cascades National Park	Obed Wild and Scenic River
Ocmulgee Mounds National Historical Park	Palo Alto Battlefield National Historical Park
Pea Ridge National Military Park	Petersburg National Battlefield
Pictured Rocks National Lakeshore	Pipestone National Monument
Piscataway Park	Prince William Forest Park
Rock Creek Park	Russell Cave National Monument
Sagamore Hill National Historic Site	Saint Croix National Scenic Riverway
Saratoga National Historical Park	Shenandoah National Park
Shiloh National Military Park	Sleeping Bear Dunes National Lakeshore
Stones River National Battlefield	Theodore Roosevelt Island National Memorial
Theodore Roosevelt National Park	Thomas Stone National Historic Site
Upper Delaware Scenic and Recreational River	Valley Forge National Historical Park
Vicksburg National Military Park	Voyageurs National Park
Washita Battlefield National Historic Site	Weir Farm National Historical Park
Wilson's Creek National Battlefield	Wind Cave National Park
Wolf Trap National Park for the Performing Arts


Last Modified Date:	9/19/2007

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/25/2025 6:26:21 AM

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	10/25/2025 6:26:21 AM

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