Polystichum lonchitis (L.) Roth
northern holly fern (northern hollyfern)
Dryopteridaceae (Wood Fern family)

Introduction to Vascular Plants

Photograph

© Ryan Batten     (Photo ID #23927)


Map

E-Flora BC Static Map

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

Species Information

General:
Evergreen perennial arising from a short, stout rhizome.
Leaves:
Lanceolate, 10-50 cm long, 3-7 cm wide, 1-pinnate; pinnae oblong, the lowermost pinnae triangular, with spreading teeth.

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 lonchitis

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)
1148 0 2420
Slope Gradient (%)
45 0 125

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

197 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 0 6
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
317
Modal BEC Zone Class
ESSF

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

AT(12), CWH(112), ESSF(126), ICH(39), MH(13), MS(2)

Habitat and Range

Dry to moist, often calcareous rocks and rocky scree in the montane to alpine zones; frequent throughout BC; circumpolar, N to AK, E to NS and S to MI, MN, SD, CO, AZ and CA; Eurasia.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Polystichum mohrioides var. lemmonii (Underw.) Fernald