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

Polystichum scopulinum (D.C. Eaton) Maxon
mountain holly fern (mountain hollyfern)
Dryopteridaceae (Wood Fern family)

Introduction to Vascular Plants

© Curtis Bjork  Email the photographer   (Photo ID #15869)

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Distribution of Polystichum scopulinum
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Species Information

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Evergreen perennial arising from a short, stout rhizome.
Lanceolate, 10-40 cm long, 3-7 cm wide, 1-pinnate, with stipe longer than 1/3 of the blade; pinnae oblong, arranged in plane of blade, deeply cut, with spreading teeth.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry to mesic, shady, ultramafic rock outcrops of the montane zone; rare in SC BC, known only from the Tulameen River valley; disjunct E to PQ and S to CO, AZ, and CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Polystichum scopulinum

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




Elevation (metres) 1114 1620 1857
Slope Gradient (%) 8 43 90
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 22 346
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 3 6
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: ESSF(11), ICH(2)


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.

Synonyms and Alternate Names

Polystichum mohrioides var. scopulinum (D.C. Eaton) Fernald

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References