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Montana Field Guide

Montana Field Guides

Holm's Rocky Mountain Sedge - Carex scopulorum

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Native Species

Global Rank: G5
State Rank: S5
C-value: 8


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Rhizomatous. Stems erect, 8–70 cm. Leaves basal and/or cauline; blades 2–6 mm wide. Inflorescence of 3 to 5 overlapping spikes; the lowest bract shorter than the inflorescence. Spikes ascending to erect; the uppermost male; the lower female, subsessile to short-pedunculate, 8–25 mm long, cylindric. Perigynia erect, green to tan, brown above, lanceolate to suborbicular, veinless, glabrous, papillose, 2–3 mm long with a minute beak. Female scales acute to rounded, almost completely blackish, narrower and subequal to the perigynia. Achene 2-sided, smaller than the perigynium (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are varieties bracteosa (L.H. Bailey) F.J. Herm. and prionophylla (T.
Holm) L.A. Standl.

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
YT south to CA, 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: 166

(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

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.
  • Web Search Engines for Articles on "Holm's Rocky Mountain Sedge"
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Citation for data on this website:
Holm's Rocky Mountain Sedge — Carex scopulorum.  Montana Field Guide.  .  Retrieved on , from