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

NPSpecies - Park Species Profile


Polygonum caespitosum
bristled knotweed, bunchy knotweed, oriental lady's thumb, oriental ladysthumb
Prince William Forest Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Non-native
Abundance:	Unknown

Scientific Name with Authority:		Polygonum caespitosum Blume
Park Preferred Common Name(s):
Park Synonyms:		Polygonum cespitosum

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Caryophyllales, Family Polygonaceae, Genus Persicaria, Species Polygonum caespitosum


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:
NatureServe State Rank:
Evidence:		0 Observations, 2 Vouchers, 1 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Abraham Lincoln Birthplace National Historical Park	Antietam National Battlefield
Appalachian National Scenic Trail	Blue Ridge Parkway
Bluestone National Scenic River	Carl Sandburg Home National Historic Site
Chickamauga and Chattanooga National Military Park	Cowpens National Battlefield
Cuyahoga Valley National Park	Delaware Water Gap National Recreation Area
Effigy Mounds National Monument	Fort Necessity National Battlefield
Friendship Hill National Historic Site	Hopewell Culture National Historical Park
Hopewell Furnace National Historic Site	Indiana Dunes National Park
Lincoln Boyhood National Memorial	Martin Van Buren National Historic Site
Minute Man National Historical Park	Monocacy National Battlefield
New River Gorge National Park and Preserve	Theodore Roosevelt Island National Memorial
Valley Forge National Historical Park	Vanderbilt Mansion National Historic Site
Wolf Trap National Park for the Performing Arts


Last Modified Date:	11/9/2006

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 3/27/2026 11:05:28 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	3/27/2026 11:05:28 PM

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