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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Isoetes engelmannii
Appalachian quillwort
Catoctin Mountain Park
			Record Status: Approved
Occurrence:	Probably Present
Nativeness:	Native
Abundance:

Scientific Name with Authority:		Isoetes engelmannii A. Braun
Park Preferred Common Name(s):		Appalachian quillwort
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Lycopodiophytina, Subclass Lycopodiidae, Order Isoetales, Family Isoetaceae, Genus Isoetes, Species Isoetes engelmannii


Management Tags:
Management Priority


Threatened/Endangered Status:
State Species of Concern Status:
Ozone-sensitive Status:
NatureServe Global Rank:		G4
NatureServe State Rank:		MD: S3
Evidence:		0 Observations, 1 Vouchers, 0 Data Store References, 0 External Links


Other Parks Where Species is Listed:
Big South Fork National River and Recreation Area	Delaware Water Gap National Recreation Area
Gauley River National Recreation Area	Great Falls Park
Great Smoky Mountains National Park	Little River Canyon National Preserve
Obed Wild and Scenic River	Upper Delaware Scenic and Recreational River


Last Modified Date:	11/26/2006

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 3/7/2026 1:20:23 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		3/7/2026 1:20:23 AM