Calamagrostis montanensis Scribn. ex Vasey
plains reedgrass
Poaceae (Grass family)
Introduction to Vascular Plants
plains reedgrass
Poaceae (Grass family)
Introduction to Vascular Plants
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Map
Distribution of Calamagrostis montanensis
Click here to view the full interactive map and legend
Species Information
General:
Perennial, tufted grass from fibrous roots and short rhizomes; stems 15-50 cm tall, rough below the panicles, with 2 nodes per stem.
Leaves:
Leaf blades 2-3 (4) mm wide, seldom reaching the panicle, flattened to in-rolled; ligules 2-3 mm long.
Flowers:
Inflorescence a congested panicle 4-8 cm long, its branches to 2 cm long; spikelets 1-flowered; glumes smooth to stiff-hairy, stiff-hairy on the keels, 4-5 mm long; lemmas 3-4 mm long, minutely rough, finely 4-toothed at the tips, awned, the awns stout, attached just below the middle of the lemmas, slightly twisted and bent, reaching the tips of the lemmas, the callus hairs up to 2 mm long; rachillas about 1 mm long, densely bearded with hairs to 2 mm long.
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 Calamagrostis montanensis
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) |
1768 | 1311 | 2390 |
| Slope
Gradient (%) |
44 | 20 | 70 |
|
Aspect (degrees) |
162 | 90 | 270 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
2 | 0 | 3 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
5 | ||
| Modal
BEC Zone Class |
ESSF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(1), ESSF(1), IDF(1), MS(1) | ||
|
Source:
Klinkenberg 2013
|
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