Polystichum braunii (Spenner) Fée
Braun's hollyfern
Dryopteridaceae (Wood Fern family)
Introduction to Vascular Plants
Braun's hollyfern
Dryopteridaceae (Wood Fern family)
Introduction to Vascular Plants
Species Information
General:
Perennial with deciduous or overwintering leaves arising from short, stout rhizomes.
Leaves:
Broadly lanceolate, 30-120 cm long, 10-40 cm wide, 2-pinnate, pinnules on short stalks; marginal teeth with pointed tips.
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.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
Ecological Framework for Polystichum braunii
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)
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) |
269 | 0 | 2050 |
| Slope
Gradient (%) |
23 | 0 | 85 |
|
Aspect (degrees) |
275 | 10 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
4 | 0 | 7 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
115 | ||
| Modal
BEC Zone Class |
CWH | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
CWH(95), ESSF(2), ICH(7), MH(5), SBS(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Mesic to wet alluvial forests, coniferous forests, talus and lava flows in the lowland to subalpine zones; infrequent in BC; circumpolar, N to AK and S to ID, disjunct E to ON,PQ, NS and NF and S to MA, PA, MI, WI and MN; Eurasia.Status Information
Synonyms
Synonyms and Alternate Names:
Polystichum braunii subsp. purshii (Fernald) Calder & Roy L. Taylor
Polystichum braunii var. purshii Fernald