Aspidotis densa (Brack.) Lellinger
dense lace fern
Pteridaceae (Maidenhair Fern family)
Introduction to Vascular Plants
dense lace fern
Pteridaceae (Maidenhair Fern family)
Introduction to Vascular Plants
Species Information
General:
Evergreen perennial in dense clumps from a short rhizome.
Leaves:
Broadly diamond-shaped, 5-25 cm long, 3- to 4-pinnate into narrow linear segments, 3-10 mm long, segments of sterile leaves broader than those of fertile leaves.
Notes:
East of the Coast-Cascade Mountains this species is restricted to serpentine rock outcrops.
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 Aspidotis densa
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) |
1108 | 232 | 1550 |
| Slope
Gradient (%) |
39 | 5 | 75 |
|
Aspect (degrees) |
183 | 77 | 260 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
1 | 0 | 3 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
15 | ||
| Modal
BEC Zone Class |
ESSF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
CWH(1), ESSF(2), ICH(1), MS(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Dry to moist or seepy rock outcrops in the lowland, steppe and montane zones; infrequent in BC south of 54degreeN; disjunct E to PQ and S to WY, UT, NV and CA.Status Information
Synonyms
Synonyms and Alternate Names:
Cheilanthes densa
Cheilanthes siliquosa Maxon
Cryptogramma densa (Brack.) Diels
Onychium densum Brack.
Pellaea densa (Brack.) Hook.