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

NPSpecies - Park Species Profile


Erythronium americanum
American troutlily
Weir Farm National Historical Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Unknown

Scientific Name with Authority:		Erythronium americanum Ker Gawl.
Park Preferred Common Name(s):		American troutlily
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Liliales, Family Liliaceae, Genus Erythronium, Species Erythronium americanum


Park Tags:
ParkTag -


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


Other Parks Where Species is Listed:
Abraham Lincoln Birthplace National Historical Park	Allegheny Portage Railroad National Historic Site
Antietam National Battlefield	Apostle Islands National Lakeshore
Appalachian National Scenic Trail	Big South Fork National River and Recreation Area
Blue Ridge Parkway	Booker T. Washington National Monument
Catoctin Mountain Park	Chattahoochee River National Recreation Area
Chesapeake and Ohio Canal National Historical Park	Chickamauga and Chattanooga National Military Park
Cowpens National Battlefield	Cumberland Gap National Historical Park
Cuyahoga Valley National Park	Delaware Water Gap National Recreation Area
Eisenhower National Historic Site	First State National Historical Park
Fort Washington Park	Friendship Hill National Historic Site
George Washington Memorial Parkway	Gettysburg National Military Park
Great Falls Park	Harpers Ferry National Historical Park
Hopewell Furnace National Historic Site	Indiana Dunes National Park
Isle Royale National Park	Johnstown Flood National Memorial
Katahdin Woods and Waters National Monument	Kenilworth Park and Aquatic Gardens
Kennesaw Mountain National Battlefield Park	Lincoln Boyhood National Memorial
Manassas National Battlefield Park	Marsh-Billings-Rockefeller National Historical Park
Martin Van Buren National Historic Site	Minute Man National Historical Park
Mississippi National River and Recreation Areas	Monocacy National Battlefield
Morristown National Historical Park	Natchez Trace Parkway
New River Gorge National Park and Preserve	Obed Wild and Scenic River
Ocmulgee Mounds National Historical Park	Pictured Rocks National Lakeshore
Piscataway Park	Prince William Forest Park
Richmond National Battlefield Park	Rock Creek Park
Saint Croix National Scenic Riverway	Saint-Gaudens National Historical Park
Saratoga National Historical Park	Shenandoah National Park
Sleeping Bear Dunes National Lakeshore	Stones River National Battlefield
Suitland Parkway	Theodore Roosevelt Island National Memorial
Valley Forge National Historical Park	Vanderbilt Mansion National Historic Site


Last Modified Date:	6/13/2005

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/1/2025 9:15:54 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	10/1/2025 9:15:54 PM

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