E-Flora BC: Electronic Atlas of the Flora of British Columbia

Carex microchaeta T. Holm
Small-awned Sedge (smallawned sedge)
Cyperaceae (Sedge family)

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #70267)

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Distribution of Carex microchaeta
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Carex microchaeta ssp. microchaeta

Species Information

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Perennial, tufted herb from short, stout rhizomes; stems 15-40 cm tall, exceeding the leaves.
Sheaths purplish-red towards the bases; blades flat, 2-6 mm wide, the lower ones not reduced.
Spikes 2 to 5, the terminal one with male flowers, the lower spikes 1 to 4, with female flowers, short-stalked, 0.6-2.5 cm long, erect, except the lowermost often long-stalked and nodding; bracts subtending the spikes sheathless, bristlelike to scalelike, shorter than the inflorescence.
Perigynia narrowly egg-shaped, 2.5-4 mm long, 1.2-1.8 mm wide, reddish-brown to purplish-black, nerveless, the beaks short, less than 0.5 mm long; female scales lanceolate, as long as and narrower than the perigynia, pointed at the tips, reddish-black, w

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to mesic meadows and rocky ridges in the montane to alpine zones; common in N BC; N to AK, YT and NT.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Carex microchaeta

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




Elevation (metres) 5 1683 2350
Slope Gradient (%) 0 17 65
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 194 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 3 8
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: AT(1), BAFA(209), BWBS(2), ESSF(47), IDF(2), IMA(1), MS(2), PP(1), SBPS(3), SBS(1), SWB(8)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

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General References