Gymnocarpium dryopteris (L.) Newman
oak fern (western oakfern)
Dryopteridaceae (Wood Fern family)
Introduction to Vascular Plants
oak fern (western oakfern)
Dryopteridaceae (Wood Fern family)
Introduction to Vascular Plants
Species Information
General:
Deciduous perennial arising individually at spaced intervals from long creeping rhizomes and usually in large colonies.
Leaves:
On wiry, smooth stipes 5-25 cm long, blades triangular, 5-15 cm long and about the same width, 2-pinnate; ultimate segments lobed.
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 Gymnocarpium dryopteris
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) |
941 | 0 | 2750 |
| Slope
Gradient (%) |
21 | 0 | 410 |
|
Aspect (degrees) |
354 | 0 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
4 | 0 | 8 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
9089 | ||
| Modal
BEC Zone Class |
ICH | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(1), BWBS(98), CDF(1), CWH(1604), ESSF(2134), ICH(2730), IDF(116), MH(169), MS(187), SBPS(21), SBS(1601), SWB(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist to wet rocky forests, bog margins, and rocky ledges in the montane and subalpine zones; frequent east of the Coast-Cascade Mountains; circumpolar, N to AK, YT and NT, E to NF and S to PA and MI; Eurasia.Status Information
Synonyms
Synonyms and Alternate Names:
Dryopteris dryopteris (L.) Britt.
Dryopteris linnaeana C. Chr.
Phegopteris dryopteris (L.) FΘe
Thelypteris dryopteris (L.) Slosson