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

NPSpecies - Park Species Profile


Dioscorea villosa
wild yam
Friendship Hill National Historic Site
			Record Status: Approved
Occurrence:	Probably Present
Nativeness:	Native
Abundance:

Scientific Name with Authority:		Dioscorea villosa L.
Park Preferred Common Name(s):		wild yam
Park Synonyms:

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


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		PA: S5
Evidence:		0 Observations, 0 Vouchers, 4 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
Big Thicket National Preserve	Blue Ridge Parkway
Bluestone National Scenic River	Booker T. Washington National Monument
Buffalo National River	Camp Nelson National Monument
Catoctin Mountain Park	Chattahoochee River National Recreation Area
Chickamauga and Chattanooga National Military Park	Congaree National Park
Cowpens National Battlefield	Cumberland Gap National Historical Park
Cuyahoga Valley National Park	Delaware Water Gap National Recreation Area
Effigy Mounds National Monument	Eisenhower National Historic Site
Eleanor Roosevelt National Historic Site	Fire Island National Seashore
First State National Historical Park	Fort Circle Parks
Fort Donelson National Battlefield	Fort Necessity National Battlefield
Fredericksburg and Spotsylvania County Battlefields Memorial National Military Park	Gauley River National Recreation Area
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	Home of Franklin D. Roosevelt National Historic Site
Hopewell Furnace National Historic Site	Horseshoe Bend National Military Park
Hot Springs National Park	Indiana Dunes National Park
Kenilworth Park and Aquatic Gardens	Kennesaw Mountain National Battlefield Park
Kings Mountain National Military Park	Little River Canyon National Preserve
Mammoth Cave National Park	Mill Springs Battlefield National Monument
Mississippi National River and Recreation Areas	Moores Creek National Battlefield
Morristown National Historical Park	Natchez Trace Parkway
New River Gorge National Park and Preserve	Ozark National Scenic Riverways
Pea Ridge National Military Park	Petersburg National Battlefield
Piscataway Park	Prince William Forest Park
Richmond National Battlefield Park	Rock Creek Park
Russell Cave National Monument	Saint Croix National Scenic Riverway
Shenandoah National Park	Shiloh National Military Park
Stones River National Battlefield	Thomas Stone National Historic Site
Valley Forge National Historical Park	Vanderbilt Mansion National Historic Site
Wilson's Creek National Battlefield	Wolf Trap National Park for the Performing Arts


Last Modified Date:	3/7/2007

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/1/2025 2:48:41 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 2:48:41 PM

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