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Montana Field Guide

Montana Field Guides

Woodrush Sedge - Carex luzulina

Native Species

Global Rank: G5
State Rank: S5

Agency Status
MNPS Threat Rank:
C-value: 7

External Links

General Description
Caespitose. Stems erect, 15–70 cm. Leaves basal and cauline; blades 3–8 mm wide. Inflorescence of 2 to 5 ascending spikes; the lowest bract shorter than the inflorescence. Spikes: the uppermost male or bisexual with male flowers below, 1–3 cm long; the lower female, 10–25 mm long, pedunculate, cylindric. Perigynia ascending, green to purple, narrowly lanceolate, glabrous or sparsely setose above, 3.5–4.5 mm long with an entire, indistinct beak ca. 1 mm long; stigmas 3. Female scales purplish to black sometimes with a pale midstripe, shorter and ca. as wide as the perigynia (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

In Montana we have varieties ablata (L.H. Bailey) F. J. Herm. and atropurpurea Dorn.

Species Range

Range Comments
BC south to CA, NV, UT and WY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 338

(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:
Woodrush Sedge — Carex luzulina.  Montana Field Guide.  .  Retrieved on , from