Cryptogramma stelleri (S.G. Gmel.) Prantl
slender rock-brake (fragile rockbrake)
Pteridaceae (Maidenhair Fern family)
Introduction to Vascular Plants
slender rock-brake (fragile rockbrake)
Pteridaceae (Maidenhair Fern family)
Introduction to Vascular Plants
Species Information
General:
Deciduous perennial from a long creeping rhizome.
Leaves:
Thin, 3-15 cm long, from deeply pinnately lobed to 2-pinnate, segments of sterile leaves oblong, egg-shaped to fan-shaped; fertile leaves only slightly differentiated from the sterile ones, their segments narrower than in sterile leaves.
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 Cryptogramma stelleri
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) |
1716 | 1670 | 1770 |
| Slope
Gradient (%) |
67 | 50 | 80 |
|
Aspect (degrees) |
204 | 180 | 260 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
2 | 2 | 3 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
3 | ||
| Modal
BEC Zone Class |
BAFA | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BAFA(1) | ||
|
Source:
Klinkenberg 2013
|
|||