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

NPSpecies - Park Species Profile


Lactuca biennis
tall blue-lettuce
Rock Creek Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Occasional

Scientific Name with Authority:		Lactuca biennis (Moench) Fernald
Park Preferred Common Name(s):		tall blue-lettuce
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Asterales, Family Asteraceae, Genus Lactuca, Species Lactuca biennis


Park Tags:
ParkTag -


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


Other Parks Where Species is Listed:
Allegheny Portage Railroad National Historic Site	Anacostia Park
Antietam National Battlefield	Apostle Islands National Lakeshore
Appalachian National Scenic Trail	Bandelier National Monument
Blue Ridge Parkway	Boston Harbor Islands National Recreation Area
Cape Cod National Seashore	Catoctin Mountain Park
Chattahoochee River National Recreation Area	Cuyahoga Valley National Park
Delaware Water Gap National Recreation Area	Effigy Mounds National Monument
First State National Historical Park	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 Memorial Parkway
Gettysburg National Military Park	Glacier National Park
Grand Portage National Monument	Grand Teton National Park
Great Smoky Mountains National Park	Home of Franklin D. Roosevelt National Historic Site
Indiana Dunes National Park	Isle Royale National Park
Johnstown Flood National Memorial	Kenilworth Park and Aquatic Gardens
Kennesaw Mountain National Battlefield Park	Marsh-Billings-Rockefeller National Historical Park
Minute Man National Historical Park	Mississippi National River and Recreation Areas
Monocacy National Battlefield	Mount Rainier National Park
New River Gorge National Park and Preserve	North Cascades National Park
Olympic National Park	Pictured Rocks National Lakeshore
Piscataway Park	Point Reyes National Seashore
Rocky Mountain National Park	Sagamore Hill National Historic Site
Saint Croix National Scenic Riverway	Shenandoah National Park
Sleeping Bear Dunes National Lakeshore	Upper Delaware Scenic and Recreational River
Valley Forge National Historical Park	Voyageurs National Park
Weir Farm National Historical Park	Yellowstone National Park


Last Modified Date:	2/22/2016

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/9/2025 6:48:10 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	10/9/2025 6:48:10 PM

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