E-Flora BC: Electronic Atlas of the Flora of British Columbia

Polystichum imbricans (D.C. Eaton) D.H. Wagner
narrow-leaved sword fern
Dryopteridaceae (Wood Fern family)

Introduction to Vascular Plants

© Curtis Bjork  Email the photographer   (Photo ID #15949)

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Distribution of Polystichum imbricans
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SUBTAXA PRESENT IN BC
Polystichum imbricans ssp. imbricans

Species Information

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General:
Evergreen perennial arising from a short, stout rhizome.
Leaves:
Lanceolate, 20-70 cm long, 3-15 cm wide, 1-pinnate; pinnae oblong, overlapping and twisted 45degree or more to the plane of blade, with spreading teeth.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry rock outcrops, forest margins and open forests in the lowland zone; infrequent in BC on SE Vancouver Island, adjacent mainland coast, and lower Fraser River Valley; S to CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Polystichum imbricans

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)
Site Information
 Value / Class

Minimum

Average

Maximum
Elevation (metres) 1105 1110 1115
Slope Gradient (%) 30 50 85
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W] 		185 213 238
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric] 		4 4 4
Modal Nutrient Regime
Class		 C
Number of field plots
 species was recorded in:		 3
Modal BEC Zone Class
 MH
All BEC Zones (# of stations/zone) species was recorded in: MH(3)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Flora North America treatment for Dryopteridaceae
 Flora North America treatment for Polystichum imbricans
Genetic information (NCBI Taxonomy Database)
 International Plant Names Index
 Taxonomic Information from the World Flora Online
 Integrated Taxonomic Information System

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
 Google Image Search
 Flickr Image Search

General References

Google Scholar Search
Family References
 General Botanical References for BC
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-11-08 1:58:52 PM ]
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