Carex chordorrhiza Ehrh. ex L. f.
cordroot sedge (creeping sedge; string sedge)
Cyperaceae (Sedge family)

Introduction to Vascular Plants


© Jamie Fenneman     (Photo ID #16795)


E-Flora BC Static Map

Distribution of Carex chordorrhiza
Click here to view the full interactive map and legend

Species Information

Perennial herb from long rhizomes and/or stolons; stems 10-30 cm tall, arising singly, branched at the bases into several sterile shoots, much longer than the leaves.
Sheaths purplish, reddish-brown or straw-coloured, the lower ones lacking blades; blades 1 to 3 from near the bases, 1-5 cm long, 1-2 mm wide, flat or sometimes folded.
Spikes 3 to 5, egg-shaped, 5-12 mm long, 3-4 mm wide, erect, clustered, with both female and male flowers, the male flowers towards the tips; lowermost bract scalelike.
Perigynia egg-shaped, 2.5-3.5 mm long, 1.8-2.2 mm wide, yellowish-brown or brownish, thick, convex, smooth, shiny, strongly nerved, wingless, short-stalked, the beaks short, 0.3-0.5 mm long; female scales egg-shaped, slightly longer than the perigynia, pointed, brown, the margins translucent; stigmas 2; achenes lens-shaped, 1.2-2 mm long.

SourceThe Illustrated Flora of British Columbia


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.


Ecological Framework for Carex chordorrhiza

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)
858 200 1480
Slope Gradient (%)
0 0 9

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

322 170 338
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
7 6 8
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

All BEC Zones (# of stations/zone) species was recorded in

BWBS(10), CWH(2), ESSF(1), ICH(10), IDF(6), MS(2), SBPS(24), SBS(68)

Habitat and Range

Bogs and fens in the montane zone; common in C BC, rare southward; circumpolar, N to AK, YT and NT, E to NF and S to VT, IN and IA; Iceland, Eurasia.

SourceThe Illustrated Flora of British Columbia