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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 hydropiper
Common Smartweed, Water-pepper
Gateway National Recreation Area
			Record Status: Approved
Occurrence:	Present
Nativeness:	Non-native
Abundance:	Unknown

Scientific Name with Authority:		Polygonum hydropiper L.
Park Preferred Common Name(s):		Common Smartweed, Water-pepper
Park Synonyms:

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


Park Tags:
ParkTag -


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


Other Parks Where Species is Listed:
Allegheny Portage Railroad National Historic Site	Antietam National Battlefield
Apostle Islands National Lakeshore	Big South Fork National River and Recreation Area
Blue Ridge Parkway	Bluestone National Scenic River
Boston Harbor Islands National Recreation Area	Cape Cod National Seashore
Cape Hatteras National Seashore	Chickamauga and Chattanooga National Military Park
Chickasaw National Recreation Area	Cuyahoga Valley National Park
Delaware Water Gap National Recreation Area	Ebey's Landing National Historical Reserve
Eisenhower National Historic Site	Friendship Hill National Historic Site
George Washington Birthplace National Monument	George Washington Carver National Monument
Gettysburg National Military Park	Grand Portage National Monument
Hopewell Furnace National Historic Site	Indiana Dunes National Park
John Day Fossil Beds National Monument	Kenilworth Park and Aquatic Gardens
Lake Roosevelt National Recreation Area	Lewis and Clark National Historical Park
Mammoth Cave National Park	Marsh-Billings-Rockefeller National Historical Park
Mississippi National River and Recreation Areas	Moores Creek National Battlefield
Mount Rainier National Park	New River Gorge National Park and Preserve
North Cascades National Park	Olympic National Park
Ozark National Scenic Riverways	Pictured Rocks National Lakeshore
Pipestone National Monument	Saint Croix National Scenic Riverway
Sleeping Bear Dunes National Lakeshore	Upper Delaware Scenic and Recreational River
Valley Forge National Historical Park	Voyageurs National Park
Wolf Trap National Park for the Performing Arts	Yosemite National Park


Last Modified Date:	8/12/2008

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/12/2025 1:00:15 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	10/12/2025 1:00:15 PM

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