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National Park Service
U.S. Department of the Interior

NPSpecies - Park Species Profile


Polystichum imbricans
narrowleaf swordfern
North Cascades National Park
			Record Status: Approved
Occurrence:	Probably Present
Nativeness:	Native
Abundance:

Scientific Name with Authority:		Polystichum imbricans (D.C. Eaton) D.H. Wagner
Park Preferred Common Name(s):
Park Synonyms:

Taxonomic Hierarchy:		Kingdom Plantae, Phylum Tracheophyta, Subphylum Polypodiophytina, Subclass Polypodiidae, Order Polypodiales, Suborder Polypodiineae, Family Dryopteridaceae, Genus Polystichum, Species Polystichum imbricans


Park Tags:
Life form - Ferns and allies


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


Other Parks Where Species is Listed:
Redwood National Park	Whiskeytown National Recreation Area


Last Modified Date:	11/3/2004

NPSpecies - The National Park Service biodiversity database. IRMA Portal version.https://irma.nps.gov/npspecies. Accessed 10/11/2025 10:15:46 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		10/11/2025 10:15:46 AM