General: Perennial, more or less densely tufted grass from fibrous roots; stems mostly smooth, 5-30 cm tall.
Leaves: Sheaths not conspicuous at the base of the stems, splitting between the nerves or remaining entire, usually not shredding into fibres; blades (2) 10-20 cm long, 0.35-0.65 mm wide, folded, angular and more or less irregular-hexagonal in cross-section with weakly developed sclerenchyma strands; ligules 0.1-0.3 mm long.
Flowers: Inflorescence a narrow, spikelike panicle, 1.5-4 (5.5) cm long, the branches 0.2-1.2 cm long; spikelets 2- to 4- (6-) flowered, 4-8.5 mm long; lower glumes 1.2-3.3 mm long, the upper ones (2.4) 2.9-4.6 mm long; lemmas 3-5.2 mm long, awned, the awns 0.8-3.5 mm, usually less than 2.5 mm long, the lowermost lemmas 3-4.2 mm long; anthers (0.5) 0.7-1.1 (1.3) mm long; ovary tops smooth.
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.
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)
Mesic to dry rocky slopes, scree slopes and moraines in the alpine zone; frequent throughout BC in and E of the Coast-Cascade Mountains; circumpolar, N to AK, YT and NT, E to NF and S to MN, CO, AZ and CA; Greenland, Eurasia.