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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Thelypteris palustris
marsh fern
Assateague Island National Seashore
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Common

Scientific Name with Authority:		Thelypteris palustris Schott
Park Preferred Common Name(s):		marsh fern
Park Synonyms:		Dryopteris thelypteris

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Polypodiophytina, Subclass Polypodiidae, Order Polypodiales, Suborder Aspleniineae, Family Thelypteridaceae, Genus Thelypteris, Species Thelypteris palustris


Park Tags:
ParkTag -


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G5
NatureServe State Rank:		MD: SNR; VA: S5
Evidence:		0 Observations, 3 Vouchers, 3 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Apostle Islands National Lakeshore	Appalachian National Scenic Trail
Big Thicket National Preserve	Blue Ridge Parkway
Boston Harbor Islands National Recreation Area	Cape Cod National Seashore
Cape Hatteras National Seashore	Cape Lookout National Seashore
Catoctin Mountain Park	Congaree National Park
Cumberland Island National Seashore	Cuyahoga Valley National Park
Delaware Water Gap National Recreation Area	First State National Historical Park
Gateway National Recreation Area	George Washington Birthplace National Monument
Gettysburg National Military Park	Grand Portage National Monument
Gulf Islands National Seashore	Home of Franklin D. Roosevelt National Historic Site
Hopewell Furnace National Historic Site	Isle Royale National Park
Marsh-Billings-Rockefeller National Historical Park	Minute Man National Historical Park
Mississippi National River and Recreation Areas	Morristown National Historical Park
New River Gorge National Park and Preserve	Niobrara National Scenic River
Petersburg National Battlefield	Pictured Rocks National Lakeshore
Piscataway Park	Prince William Forest Park
Sagamore Hill National Historic Site	Saint Croix National Scenic Riverway
Saratoga National Historical Park	Shenandoah National Park
Sleeping Bear Dunes National Lakeshore	Thomas Stone National Historic Site
Valley Forge National Historical Park	Vanderbilt Mansion National Historic Site
Voyageurs National Park	Weir Farm National Historical Park


Last Modified Date:	12/16/2004

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 4/3/2026 1:05:45 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	4/3/2026 1:05:45 PM

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