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

Introduction to Vascular Plants

Photograph

© Curtis Bjork     (Photo ID #15949)


Map

E-Flora BC Static Map

Distribution of Polystichum imbricans
Click here to view the full interactive map and legend

SUBTAXA PRESENT IN BC

Polystichum imbricans ssp. imbricans

Species Information

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.

SourceThe 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

Avg

Min

Max

Elevation (metres)
1110 1105 1115
Slope Gradient (%)
50 30 85

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

213 185 238
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 4 4
Modal Nutrient Regime
Class
C
# 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)

Habitat and 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.

SourceThe Illustrated Flora of British Columbia