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

NPSpecies - Park Species Profile


Houstonia caerulea
Bluets
Delaware Water Gap National Recreation Area
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Common

Scientific Name with Authority:		Houstonia caerulea L.
Park Preferred Common Name(s):		Bluets
Park Synonyms:		Hedyotis caerulea

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Gentianales, Family Rubiaceae, Genus Houstonia, Species Houstonia caerulea


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		NJ: S4; PA: S5
Evidence:		0 Observations, 0 Vouchers, 14 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Abraham Lincoln Birthplace National Historical Park	Acadia National Park
Antietam National Battlefield	Appalachian National Scenic Trail
Big South Fork National River and Recreation Area	Blue Ridge Parkway
Bluestone National Scenic River	Booker T. Washington National Monument
Carl Sandburg Home National Historic Site	Catoctin Mountain Park
Chattahoochee River National Recreation Area	Chesapeake and Ohio Canal National Historical Park
Chickamauga and Chattanooga National Military Park	Colonial National Historical Park
Congaree National Park	Cowpens National Battlefield
Cumberland Gap National Historical Park	Cuyahoga Valley National Park
First State National Historical Park	Fredericksburg and Spotsylvania County Battlefields Memorial National Military Park
Friendship Hill National Historic Site	Gauley River National Recreation Area
George Washington Birthplace National Monument	George Washington Memorial Parkway
Gettysburg National Military Park	Great Falls Park
Great Smoky Mountains National Park	Guilford Courthouse National Military Park
Harpers Ferry National Historical Park	Hopewell Furnace National Historic Site
Horseshoe Bend National Military Park	Indiana Dunes National Park
Jimmy Carter National Historical Park	Kennesaw Mountain National Battlefield Park
Kings Mountain National Military Park	Lincoln Boyhood National Memorial
Little River Canyon National Preserve	Mammoth Cave National Park
Manassas National Battlefield Park	Mill Springs Battlefield National Monument
Natchez Trace Parkway	New River Gorge National Park and Preserve
Obed Wild and Scenic River	Ocmulgee Mounds National Historical Park
Piscataway Park	Prince William Forest Park
Richmond National Battlefield Park	Rock Creek Park
Saint-Gaudens National Historical Park	Shenandoah National Park
Shiloh National Military Park	Stones River National Battlefield
Thomas Stone National Historic Site	Upper Delaware Scenic and Recreational River
Valley Forge National Historical Park	Weir Farm National Historical Park


Last Modified Date:	6/20/2005

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/1/2025 4:21:11 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	10/1/2025 4:21:11 AM

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