Montana Field Guide

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- Kingdom - Plants - Plantae
  - Division - Flowering Plants - Anthophyta
    - Class - Monocots - Monocotyledoneae
      - Order - Grasses/Sedges - Cyperales
        
        Family - Sedges - Cyperaceae
        
        Species - Black-and-white Scale Sedge - Carex albonigra

Black-and-white Scale Sedge - Carex albonigra

Native Species

Global Rank: G5
State Rank: S4S5
C-value: 5

Agency Status
USFWS:
USFS:
BLM:

External Links

General Description

Caespitose. Stems erect, 8–25 cm. Leaves basal and lower-cauline; blades 2–5 mm wide. Inflorescence of 2 to 4 short-pedunculate, erect spikes forming a tight cluster; lowest bract inconspicuous. Spikes 8–15 mm long, terminal largest; male flowers basal. Perigynia erect, purplish-black, elliptic, 2–4 mm long, including the short beak, scabrous on the margins; stigmas 3. Female scales dark brown to black with light margins, as long as but narrower than the perigynia. Achene 3-sided, partly filling the perigynium (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Montana Range Range Descriptions

Native

Range Comments

AK to NT south to CA, AZ and NM (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database

Number of Observations: 27

(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

Dry to moist turf, fellfields; alpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Stewardship Responsibility

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?
- Aho, Ken Andrew. 2006. Alpine and Cliff Ecosystems in the North-Central Rocky Mountains. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 343 p.
- 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.
- Pallister, G.L. 1974. The seasonal distribution and range use of bighorn sheep in the Beartooth Mountains, with special reference to the West Rosebud and Stillwater herds. M.Sc. Thesis. Bozeman, MT: Montana State University. 67 p.
- Williams, K.L. 2012. Classification of the grasslands, shrublands, woodlands, forests and alpine vegetation associations of the Custer National Forest portion of the Beartooth Mountains in southcentral Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 376 p.
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Citation for data on this website:
Black-and-white Scale Sedge — Carex albonigra. Montana Field Guide. Montana Natural Heritage Program. Retrieved on November 23, 2024, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=PMCYP030F0