Carex lyngbyei Hornem.
Lyngbye's Sedge (Inland Sedge)
Cyperaceae (Sedge family)

Introduction to Vascular Plants


© Brian Klinkenberg     (Photo ID #3757)


E-Flora BC Static Map

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

Species Information

Perennial herb from long, creeping rhizomes; stems 15-150 cm tall, arising singly or in small clumps, longer than the leaves.
Sheaths tight; ligules as long as wide; blades 4 to 8 per stem, flat, the margins rolled-under, borne on the lower 1/2 of the stem, 2-12 mm wide, the lower ones reduced, persistent.
Spikes 4 to 7, the terminal 2 or 3 linear, 1.5-5 cm long, long-stalked, with many male flowers, the lower spikes 2 to 4, narrowly cylindrical, 1.5-5 cm long, with female flowers, or some with male flowers above the female flowers, short-stalked, usually spreading or nodding; bracts subtending the lowest spike leaflike, sheathless or short-sheathing, the lowest longer than the inflorescence.
Perigynia elliptical to broadly egg-shaped, 2.5-3.5 mm long, 1-1.2 mm wide, yellowish-green or brown, somewhat inflated, smooth, shiny, 2-ribbed, the bases round, short-stalked, the beaks short, 0.1-0.3 mm long, entire or nearly so; female scales lanceolate to egg-shaped, long-pointed or awned, narrower than and exceeding the perigynia, purplish-brown, with 3-nerved, lighter centres and narrow, translucent margins; stigmas 2; achenes lens-shaped, minutely pimpled, sometimes with deep constrictions, 1.9-2.4 mm long.

SourceThe Illustrated Flora of British Columbia

USDA Species Characteristics

Fruit/Seed characteristics:
Colour: Brown
Present over the Summer


Ecological Framework for Carex lyngbyei

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)
10 0 205
Slope Gradient (%)
3 0 55

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

259 54 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
6 1 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

CDF(38), CWH(64)

Habitat and Range

Salt marshes, estuaries and wet saline meadows in the lowland zone; common along the coast; amphiberingian, N to AK and S to CA; coastal E Asia.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Carex lyngbyei subsp. cryptocarpa