Polystichum kruckebergii W.H. Wagner
Kruckeberg's hollyfern
Dryopteridaceae (Wood Fern family)

Introduction to Vascular Plants

Photograph

© Jay Akerley     (Photo ID #50310)


Map

E-Flora BC Static Map

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

Species Information

General:
Evergreen perennial arising from a short, stout rhizome.
Leaves:
Lanceolate, 10-40 cm long, 3-7 cm wide, 1-pinnate, with short stipes; pinnae oblong, deeply cut, with ascending teeth, pinnae twisted out of plane of blade.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Ecology

Ecological Framework for Polystichum kruckebergii

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)
1497 1023 2200
Slope Gradient (%)
68 25 95

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

310 0 325
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 4 4
Modal Nutrient Regime
Class
F
# of field plots
 species was recorded in:
4
Modal BEC Zone Class
SWB

All BEC Zones (# of stations/zone) species was recorded in

ESSF(1), MS(1), SWB(2)

Habitat and Range

Dry to mesic ultramafic rock outcrops and talus in the montane and subalpine zones; rare in SW BC (Cascade Mountains and southern Coastal Ranges, disjunct to the Cassiar Mountains); S to MT, UT, ID and CA.

SourceThe Illustrated Flora of British Columbia