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

NPSpecies - Park Species Profile


Equisetum hyemale
horsetail, scouring horsetail, scouringrush, scouringrush horsetail, tall scouring-rush, western scouringrush
Grand Canyon National Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:

Scientific Name with Authority:		Equisetum hyemale L.
Park Preferred Common Name(s):
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Polypodiophytina, Subclass Equisetidae, Order Equisetales, Family Equisetaceae, Genus Equisetum, Species Equisetum hyemale


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		AZ: SNR
Evidence:		0 Observations, 0 Vouchers, 2 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Alibates Flint Quarries National Monument	Aniakchak National Monument and Preserve
Antietam National Battlefield	Apostle Islands National Lakeshore
Appalachian National Scenic Trail	Aztec Ruins National Monument
Blue Ridge Parkway	Canyon De Chelly National Monument
Catoctin Mountain Park	Chickasaw National Recreation Area
Chiricahua National Monument	Colonial National Historical Park
Cuyahoga Valley National Park	Delaware Water Gap National Recreation Area
Ebey's Landing National Historical Reserve	Everglades National Park
Fort Union Trading Post National Historic Site	Gateway National Recreation Area
George Washington Birthplace National Monument	George Washington Memorial Parkway
Gila Cliff Dwellings National Monument	Glacier National Park
Grand Portage National Monument	Grand Teton National Park
Grant-Kohrs Ranch National Historic Site	Great Basin National Park
Great Falls Park	Hagerman Fossil Beds National Monument
Harpers Ferry National Historical Park	Home of Franklin D. Roosevelt National Historic Site
Indiana Dunes National Park	Isle Royale National Park
John Day Fossil Beds National Monument	Knife River Indian Villages National Historic Site
Lake Meredith National Recreation Area	Lake Roosevelt National Recreation Area
Mammoth Cave National Park	Marsh-Billings-Rockefeller National Historical Park
Martin Van Buren National Historic Site	Mississippi National River and Recreation Areas
Montezuma Castle National Monument	Mount Rainier National Park
Mount Rushmore National Memorial	Navajo National Monument
New River Gorge National Park and Preserve	Nez Perce National Historical Park
Niobrara National Scenic River	North Cascades National Park
Ocmulgee Mounds National Historical Park	Pictured Rocks National Lakeshore
Piscataway Park	Prince William Forest Park
Rock Creek Park	Rocky Mountain National Park
Saint Croix National Scenic Riverway	Saint-Gaudens National Historical Park
San Juan Island National Historical Park	Saratoga National Historical Park
Saugus Iron Works National Historic Site	Sleeping Bear Dunes National Lakeshore
Voyageurs National Park	Walnut Canyon National Monument
Wind Cave National Park	Wrangell - St Elias National Park and Preserve


Last Modified Date:	9/20/2005

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 9/26/2025 7:07:06 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	9/26/2025 7:07:06 PM

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