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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Podostemum ceratophyllum
hornleaf riverweed
Upper Delaware Scenic and Recreational River
			Record Status: Approved
Occurrence:	Present
Nativeness:	Native
Abundance:	Unknown

Scientific Name with Authority:		Podostemum ceratophyllum Michx.
Park Preferred Common Name(s):		hornleaf riverweed
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Spermatophytina, Order Malpighiales, Family Podostemaceae, Genus Podostemum, Species Podostemum ceratophyllum


Management Tags:
Management Priority


Threatened/Endangered Status:
State Species of Concern Status:		NY: T; PA: TU
Ozone-sensitive Status:
NatureServe Global Rank:		G4
NatureServe State Rank:		NY: S2S3; PA: S4
Evidence:		1 Observations, 8 Vouchers, 3 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Big South Fork National River and Recreation Area	Chattahoochee River National Recreation Area
Delaware Water Gap National Recreation Area	First State National Historical Park
Great Falls Park	Great Smoky Mountains National Park
Horseshoe Bend National Military Park	Katahdin Woods and Waters National Monument
Little River Canyon National Preserve	New River Gorge National Park and Preserve
Obed Wild and Scenic River


Last Modified Date:	9/13/2013

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 11/8/2025 4:54:58 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		11/8/2025 4:54:58 PM