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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Juncus tenuis
field rush, path rush, poverty rush, slender rush, slender yard rush, wiregrass
North Cascades National Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Unknown

Scientific Name with Authority:		Juncus tenuis Willd.
Park Preferred Common Name(s):
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Poales, Family Juncaceae, Genus Juncus, Species Juncus tenuis


Park Tags:
Life form - Grasses sedges and rushes


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		WA: SNR
Evidence:		0 Observations, 6 Vouchers, 2 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Abraham Lincoln Birthplace National Historical Park	Acadia National Park
Allegheny Portage Railroad National Historic Site	Antietam National Battlefield
Apostle Islands National Lakeshore	Appalachian National Scenic Trail
Appomattox Court House National Historical Park	Arches National Park
Arkansas Post National Memorial	Assateague Island National Seashore
Aztec Ruins National Monument	Big South Fork National River and Recreation Area
Big Thicket National Preserve	Blue Ridge Parkway
Bluestone National Scenic River	Boston Harbor Islands National Recreation Area
Bryce Canyon National Park	Buffalo National River
Canyon De Chelly National Monument	Canyonlands National Park
Cape Cod National Seashore	Cape Hatteras National Seashore
Cape Lookout National Seashore	Capitol Reef National Park
Carl Sandburg Home National Historic Site	Carlsbad Caverns National Park
Catoctin Mountain Park	Chattahoochee River National Recreation Area
Chesapeake and Ohio Canal National Historical Park	Chickamauga and Chattanooga National Military Park
Chickasaw National Recreation Area	Chiricahua National Monument
Colonial National Historical Park	Coronado National Memorial
Cowpens National Battlefield	Craters of the Moon National Monument and Preserve
Cumberland Gap National Historical Park	Cumberland Island National Seashore
Cuyahoga Valley National Park	Delaware Water Gap National Recreation Area
Dinosaur National Monument	Effigy Mounds National Monument
Eisenhower National Historic Site	Fire Island National Seashore
First State National Historical Park	Fort Bowie National Historic Site
Fort Donelson National Battlefield	Fort Necessity National Battlefield
Fort Pulaski National Monument	Fredericksburg and Spotsylvania County Battlefields Memorial National Military Park
Friendship Hill National Historic Site	Gateway National Recreation Area
Gauley River National Recreation Area	George Washington Birthplace National Monument
George Washington Carver National Monument	George Washington Memorial Parkway
Gettysburg National Military Park	Glacier National Park
Glen Canyon National Recreation Area	Grand Canyon National Park
Grand Portage National Monument	Great Falls Park
Great Sand Dunes National Park and Preserve	Great Smoky Mountains National Park
Guadalupe Mountains National Park	Guilford Courthouse National Military Park
Haleakala National Park	Hawaii Volcanoes National Park
Herbert Hoover National Historic Site	Hopewell Culture National Historical Park
Hopewell Furnace National Historic Site	Hot Springs National Park
Indiana Dunes National Park	Isle Royale National Park
Jean Lafitte National Historical Park and Preserve	Johnstown Flood National Memorial
Katahdin Woods and Waters National Monument	Kenilworth Park and Aquatic Gardens
Kennesaw Mountain National Battlefield Park	Kings Mountain National Military Park
Lake Mead National Recreation Area	Lincoln Boyhood National Memorial
Little River Canyon National Preserve	Mammoth Cave National Park
Manassas National Battlefield Park	Marsh-Billings-Rockefeller National Historical Park
Martin Van Buren National Historic Site	Mesa Verde National Park
Mill Springs Battlefield National Monument	Minute Man National Historical Park
Mississippi National River and Recreation Areas	Monocacy National Battlefield
Moores Creek National Battlefield	Mount Rainier National Park
Natchez Trace Parkway	New River Gorge National Park and Preserve
Ninety Six National Historic Site	Obed Wild and Scenic River
Olympic National Park	Oxon Cove Park and Oxon Hill Run
Ozark National Scenic Riverways	Pea Ridge National Military Park
Pecos National Historical Park	Pictured Rocks National Lakeshore
Pipestone National Monument	Presidio of San Francisco
Prince William Forest Park	Redwood National Park
Richmond National Battlefield Park	Rock Creek Park
Russell Cave National Monument	Sagamore Hill National Historic Site
Saguaro National Park	Saint Croix National Scenic Riverway
Saint-Gaudens National Historical Park	Saratoga National Historical Park
Saugus Iron Works National Historic Site	Shenandoah National Park
Shiloh National Military Park	Sleeping Bear Dunes National Lakeshore
Stones River National Battlefield	Suitland Parkway
Tallgrass Prairie National Preserve	Thomas Stone National Historic Site
Upper Delaware Scenic and Recreational River	Valles Caldera National Preserve
Valley Forge National Historical Park	Vanderbilt Mansion National Historic Site
Vicksburg National Military Park	Voyageurs National Park
Whiskeytown National Recreation Area	Wind Cave National Park
Wolf Trap National Park for the Performing Arts	Yosemite National Park
Yucca House National Monument	Zion National Park


Last Modified Date:	9/27/2004

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/4/2025 7:25:29 AM

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	10/4/2025 7:25:29 AM

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