NPSpecies Report Viewer

Park			Taxon Code
Show Comments?

Find

National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Polygonum aviculare
prostrate knotweed
Upper Delaware Scenic and Recreational River
			Record Status: Approved
Occurrence:	Present
Nativeness:	Non-native
Abundance:	Uncommon

Scientific Name with Authority:		Polygonum aviculare L.
Park Preferred Common Name(s):		prostrate knotweed
Park Synonyms:

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


Park Tags:
ParkTag -


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


Other Parks Where Species is Listed:
Acadia National Park	Alagnak Wild River
Alibates Flint Quarries National Monument	Anacostia Park
Aniakchak National Monument and Preserve	Antietam National Battlefield
Apostle Islands National Lakeshore	Arches National Park
Assateague Island National Seashore	Aztec Ruins National Monument
Badlands National Park	Bandelier National Monument
Bighorn Canyon National Recreation Area	Blue Ridge Parkway
Boston Harbor Islands National Recreation Area	Bryce Canyon National Park
Canyon De Chelly National Monument	Cape Cod National Seashore
Cape Hatteras National Seashore	Capitol Reef National Park
Casa Grande Ruins National Monument	Cedar Breaks National Monument
Chamizal National Memorial	Chattahoochee River National Recreation Area
Chickamauga and Chattanooga National Military Park	Chiricahua National Monument
City Of Rocks National Reserve	Colonial National Historical Park
Coronado National Memorial	Cowpens National Battlefield
Craters of the Moon National Monument and Preserve	Cumberland Gap National Historical Park
Cuyahoga Valley National Park	Delaware Water Gap National Recreation Area
Denali National Park and Preserve	Devils Postpile National Monument
Devils Tower National Monument	Dinosaur National Monument
Effigy Mounds National Monument	El Malpais National Monument
El Morro National Monument	Fire Island National Seashore
First State National Historical Park	Fort Donelson National Battlefield
Fort Laramie National Historic Site	Fort Union Trading Post National Historic Site
Fort Vancouver National Historic Site	Fossil Butte National Monument
Gateway National Recreation Area	Gauley River National Recreation Area
George Washington Birthplace National Monument	George Washington Carver National Monument
Gettysburg National Military Park	Glacier National Park
Glen Canyon National Recreation Area	Golden Spike National Historical Park
Grand Canyon National Park	Grand Portage National Monument
Grand Teton National Park	Great Falls Park
Great Sand Dunes National Park and Preserve	Great Smoky Mountains National Park
Hagerman Fossil Beds National Monument	Harpers Ferry National Historical Park
Hopewell Culture National Historical Park	Hopewell Furnace National Historic Site
Hovenweep National Monument	Hubbell Trading Post National Historic Site
Indiana Dunes National Park	Isle Royale National Park
Johnstown Flood National Memorial	Katmai National Park and Preserve
Kenai Fjords National Park	Kennesaw Mountain National Battlefield Park
Klondike Gold Rush National Historical Park	Lake Clark National Park and Preserve
Lake Mead National Recreation Area	Lake Meredith National Recreation Area
Lake Roosevelt National Recreation Area	Little River Canyon National Preserve
Mesa Verde National Park	Minute Man National Historical Park
Mississippi National River and Recreation Areas	Monocacy National Battlefield
Montezuma Castle National Monument	Mount Rainier National Park
Mount Rushmore National Memorial	Natchez Trace Parkway
Natural Bridges National Monument	New River Gorge National Park and Preserve
Nez Perce National Historical Park	North Cascades National Park
Olympic National Park	Oregon Caves National Monument
Ozark National Scenic Riverways	Parashant National Monument
Pecos National Historical Park	Petrified Forest National Park
Pictured Rocks National Lakeshore	Pipe Spring National Monument
Pipestone National Monument	Presidio of San Francisco
Prince William Forest Park	Richmond National Battlefield Park
Rock Creek Park	Sagamore Hill National Historic Site
Saguaro National Park	Saint Croix National Scenic Riverway
Saint-Gaudens National Historical Park	San Juan Island National Historical Park
Saratoga National Historical Park	Shenandoah National Park
Sleeping Bear Dunes National Lakeshore	Stones River National Battlefield
Suitland Parkway	Theodore Roosevelt National Park
Timpanogos Cave National Monument	Tumacacori National Historical Park
Tuzigoot National Monument	Valles Caldera National Preserve
Valley Forge National Historical Park	Vanderbilt Mansion National Historic Site
Voyageurs National Park	Walnut Canyon National Monument
Washita Battlefield National Historic Site	Wind Cave National Park
Wrangell - St Elias National Park and Preserve	Yellowstone National Park
Yucca House National Monument	Yukon-Charley Rivers National Preserve
Zion National Park


Last Modified Date:	9/13/2013

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 9/27/2025 5:31:45 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	9/27/2025 5:31:45 PM

Report Viewer Configuration Error