Polypodium glycyrrhiza D.C. Eaton
licorice fern
Polypodiaceae (Polypody family)

Introduction to Vascular Plants


© Jamie Fenneman     (Photo ID #7495)


E-Flora BC Static Map

Distribution of Polypodium glycyrrhiza
Click here to view the full interactive map and legend

Species Information

Evergreen or summer deciduous perennial with a long-creeping, scaly rhizome.
Lanceolate, 10-60 cm long, 2-15 cm wide, pinnatifid with sharp deep incisions and elongated pointed segments with toothed margins; rachis with rusty hairs on upper surface in the top one third.

SourceThe Illustrated Flora of British Columbia


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.


Ecological Framework for Polypodium glycyrrhiza

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)
230 0 1359
Slope Gradient (%)
37 0 350

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

202 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 0 8
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

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

CDF(4), CWH(434), ICH(1), IDF(5), MH(3), MS(1)

Habitat and Range

Dry and seasonally wet rocks, trees, and soil humus in the lowland and montane zones; common in coastal BC; N to SE AK and S to ID and CA, disjunct in AZ.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Polypodium occidentale
Polypodium vulgare subsp. occidentale (Hook.) HultTn
Polypodium vulgare var. commune Milde
Polypodium vulgare var. occidentale Hook.