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

NPSpecies - Park Species Profile


Rhododendron viscosum
swamp azalea
Weir Farm National Historical Park
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Occasional

Scientific Name with Authority:		Rhododendron viscosum (L.) Torr.
Park Preferred Common Name(s):		swamp azalea
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Ericales, Family Ericaceae, Genus Rhododendron, Species Rhododendron viscosum


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, 2 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Appalachian National Scenic Trail	Big Thicket National Preserve
Blue Ridge Parkway	Cape Cod National Seashore
Chattahoochee River National Recreation Area	Colonial National Historical Park
Congaree National Park	Cowpens National Battlefield
Delaware Water Gap National Recreation Area	Fire Island National Seashore
Fredericksburg and Spotsylvania County Battlefields Memorial National Military Park	Great Falls Park
Gulf Islands National Seashore	Hopewell Furnace National Historic Site
Little River Canyon National Preserve	Minute Man National Historical Park
Oxon Run National Parkway	Petersburg National Battlefield
Piscataway Park	Prince William Forest Park
Richmond National Battlefield Park	Shenandoah National Park


Last Modified Date:	6/22/2005

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 11/6/2025 6:43:22 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	11/6/2025 6:43:22 AM

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