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Montana Field Guide

Montana Field Guides

Russet Sedge - Carex saxatilis

Native Species

Global Rank: G5
State Rank: S4
C-value: 8


Agency Status
USFWS:
USFS:
BLM:


 

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General Description
Rhizomatous. Stems erect, 20–50 cm. Leaves basal and cauline; blades 1–4 mm wide. Inflorescence of 2 to 4 well-separated spikes; the lowest bract greater than the inflorescence. Spikes unisexual; the upper 1 or 2 male, linear, 8–25 mm long; the lower female, ascending to arching, 1–2 cm long, pedunculate, short-cylindric. Perigynia ascending, tan to brown, elliptic, glabrous, 3–4.5 mm long with a distinct beak up to 0.5 mm long; stigmas 2 or rarely 3. Female scales ovate, brown to purplish with a pale midvein and margins, shorter than the perigynia. Achene 2- or rarely 3-sided, smaller than the perigynium (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Montana plants are variety major Olney.

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
Circumboreal south to WA, UT and CO (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 23

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

Recency

 

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



Habitat
Wet, gravelly or shallow soil on margins of lakes, streams; valleys to subalpine, more common higher (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • 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.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
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Citation for data on this website:
Russet Sedge — Carex saxatilis.  Montana Field Guide.  .  Retrieved on , from