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

Carex pyrenaica Wahlenb.
Pyrenean sedge
Cyperaceae (Sedge family)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #30069)

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Distribution of Carex pyrenaica
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Carex pyrenaica ssp. micropoda

Species Information

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Perennial, loosely tufted herb from fibrous roots; stems 5-30 cm tall, equalling or longer than the leaves.
Sheaths tight, bladeless below; blades 2 to 4 per stem, deeply channeled, borne on the lower 1/4 of the stem, 0.5-1.5 mm wide.
Perigynia narrowly egg-shaped, 3-4.5 mm long, 0.7-1.5 mm wide, appressed at first, spreading at maturity, smooth, nerveless, long-stalked, the beaks short, bidentate; female scales egg-shaped, shorter and wider than the perigynia, round-tipped, dark brow

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to moist meadows and rocky slopes in the subalpine and alpine zones; frequent throughout BC except rare on the Queen Charlotte Islands and absent in NE BC; amphiberingian, N to AK, YT and NT, E to SW AB and S to CO, UT, NV and CA; E Asia.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Carex pyrenaica

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) 816 1987 2649
Slope Gradient (%) 0 21 119
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 259 360
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(33), BAFA(66), BWBS(1), CMA(13), ESSF(70), IMA(38), MH(4), MS(6), SWB(2)


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 alpine tundra & boreal.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References