Pentagramma triangularis (Kaulf.) Yatsk., Windham & E. Wollenw.
goldenback fern
Pteridaceae (Maidenhair Fern family)
Introduction to Vascular Plants
goldenback fern
Pteridaceae (Maidenhair Fern family)
Introduction to Vascular Plants
SUBTAXA PRESENT IN BC
Pentagramma triangularis ssp. triangularis
Species Information
General:
Evergreen perennial arising in clusters from a short, stout rhizome.
Leaves:
Leathery on stipes longer than blades, blades triangular, 3-15 cm long, 2-15 cm wide, with three pinnae that are pinnately divided into the ultimate segments; the lowermost segments elongated, all segments whitish-powdery underneath.
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 Pentagramma triangularis
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) |
264 | 31 | 1065 |
| Slope
Gradient (%) |
45 | 8 | 84 |
|
Aspect (degrees) |
189 | 123 | 270 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
2 | 1 | 5 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
10 | ||
| Modal
BEC Zone Class |
CDF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
CDF(7), SBS(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Dry rocky crevices in the lowland zone; infrequent on SE Vancouver Island, Gulf Islands and adjacent mainland coast; S to ID, NV and CA.Status Information
Synonyms
Synonyms and Alternate Names:
Pentagramma triangularis subsp. triangularis (Kaulf.) Yatsk., Windham & E. Wollenw.
Pityrogramma triangularis var. triangularis