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Montana Field Guide

Montana Field Guides

Smooth-cone Sedge - Carex laeviconica

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Status Under Review
Native Species

Global Rank: G4G5
State Rank: SNR
C-value: 5

Agency Status


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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 et al. 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 et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 5

(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)


  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Web Search Engines for Articles on "Smooth-cone Sedge"
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Citation for data on this website:
Smooth-cone Sedge — Carex laeviconica.  Montana Field Guide.  .  Retrieved on , from