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Montana Field Guide

Montana Field Guides

Black Alpine Sedge - Carex nigricans


Global Rank: G5
State Rank: S4S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 7

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General Description
Rhizomatous. Stems erect, 10–40 cm. Leaves: basal and cauline; blades 1–3 mm wide. Inflorescence a solitary bractless spike. Spike ovoid, 8–20 mm long; male flowered portion 3–8 mm long; female flowers below. Perigynia ascending, spreading to reflexed at maturity, narrowly lanceolate, brown to purplish above, 2–3 mm long not including the distinct pedicel, tapered to an indistinct, entire beak; stigmas 3. Female scales blackish, concealing the perigynia at first but soon deciduous. Achene 3-sided, smaller than the perigynium (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 16

(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
Moist meadows, along streams, in depressions; alpine, rarely lower (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Black Alpine Sedge — Carex nigricans.  Montana Field Guide.  .  Retrieved on , from