NPSpecies Report Viewer

Park			Taxon Code
Show Comments?

Find

National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Dioscorea quaternata
fourleaf yam
Chickamauga and Chattanooga National Military Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Unknown

Scientific Name with Authority:		Dioscorea quaternata J.F. Gmel.
Park Preferred Common Name(s):		fourleaf yam
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Dioscoreales, Family Dioscoreaceae, Genus Dioscorea, Species Dioscorea quaternata


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		GA: SNR; TN: SNR
Evidence:		12 Observations, 1 Vouchers, 0 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Abraham Lincoln Birthplace National Historical Park	Allegheny Portage Railroad National Historic Site
Antietam National Battlefield	Big South Fork National River and Recreation Area
Blue Ridge Parkway	Bluestone National Scenic River
Carl Sandburg Home National Historic Site	Catoctin Mountain Park
Colonial National Historical Park	Cowpens National Battlefield
Cumberland Gap National Historical Park	Delaware Water Gap National Recreation Area
Fort Circle Parks	Fort Donelson National Battlefield
Fort Necessity National Battlefield	Fredericksburg and Spotsylvania County Battlefields Memorial National Military Park
Friendship Hill National Historic Site	Gauley River National Recreation Area
Gettysburg National Military Park	Guilford Courthouse National Military Park
Harpers Ferry National Historical Park	Kings Mountain National Military Park
Lincoln Boyhood National Memorial	Mammoth Cave National Park
Manassas National Battlefield Park	Monocacy National Battlefield
New River Gorge National Park and Preserve	Ozark National Scenic Riverways
Petersburg National Battlefield	Prince William Forest Park
Richmond National Battlefield Park	Russell Cave National Monument
Shiloh National Military Park	Wolf Trap National Park for the Performing Arts


Last Modified Date:	9/30/2007

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 3/7/2026 11:22:29 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	3/7/2026 11:22:29 AM

Report Viewer Configuration Error