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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Iris pseudacorus
paleyellow iris, yellow iris
Lewis and Clark National Historical Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Non-native
Abundance:	Uncommon

Scientific Name with Authority:		Iris pseudacorus L.
Park Preferred Common Name(s):		paleyellow iris, yellow iris
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Asparagales, Family Iridaceae, Genus Iris, Species Iris pseudacorus


Management Tags:
Management Priority


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		GNR
NatureServe State Rank:		OR: SNA; WA: SNA
Evidence:		3 Observations, 2 Vouchers, 2 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Acadia National Park	Agate Fossil Beds National Monument
Allegheny Portage Railroad National Historic Site	Anacostia Park
Appalachian National Scenic Trail	Big Thicket National Preserve
Blue Ridge Parkway	Bluestone National Scenic River
Boston Harbor Islands National Recreation Area	Cape Cod National Seashore
Chesapeake and Ohio Canal National Historical Park	Cuyahoga Valley National Park
Delaware Water Gap National Recreation Area	Eleanor Roosevelt National Historic Site
First State National Historical Park	Fort Washington Park
Gateway National Recreation Area	Gauley River National Recreation Area
George Washington Birthplace National Monument	George Washington Memorial Parkway
Great Smoky Mountains National Park	Greenbelt Park
Hagerman Fossil Beds National Monument	Home of Franklin D. Roosevelt National Historic Site
Hopewell Furnace National Historic Site	Indiana Dunes National Park
Jean Lafitte National Historical Park and Preserve	Kenilworth Park and Aquatic Gardens
Lake Roosevelt National Recreation Area	Minute Man National Historical Park
Mississippi National River and Recreation Areas	New River Gorge National Park and Preserve
Olympic National Park	Piscataway Park
Saint-Gaudens National Historical Park	Santa Monica Mountains National Recreation Area
Saratoga National Historical Park	Sleeping Bear Dunes National Lakeshore
Suitland Parkway	Theodore Roosevelt Island National Memorial
Valley Forge National Historical Park	Vanderbilt Mansion National Historic Site
Whitman Mission National Historic Site


Last Modified Date:	10/4/2005

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 11/4/2025 7:27:21 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	11/4/2025 7:27:21 AM

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