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Montana Field Guide

Montana Field Guides

Smooth-cone Sedge - Carex laeviconica

Status Under Review
Native Species

Global Rank: G4G5
State Rank: SNR

Agency Status
MNPS Threat Rank:
C-value: 5

External Links

General Description
Rhizomes deep. Stems erect, 30–100 cm, tufted. Leaves: basal and cauline; blades 3–6 mm wide; sheaths glabrous. Inflorescence of 4 to 9 well-separated spikes; the lowest bract equal to or greater than the inflorescence. Spikes ascending; the uppermost 2 to 4 male, linear; the lower female, 3–7 cm long, pedunculate, cylindric. Perigynia ascending, yellowish-green, lanceolate, veiny, glabrous, 5–8 mm long including a deeply divided beak, 3–5 mm long; stigmas 3. Female scales tan, lanceolate, awn-tipped, narrower and ca. as long as the perigynia. Achene 3-sided, smaller than the perigynium (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
SK to ON south to MT, KS and IN (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 3

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)


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Citation for data on this website:
Smooth-cone Sedge — Carex laeviconica.  Montana Field Guide.  .  Retrieved on , from