Montana Field Guide

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Montana Field Guides

Home - Other Field Guides
- Kingdom - Plants - Plantae
  - Division - Flowering Plants - Anthophyta
    - Class - Monocots - Monocotyledoneae
      - Order - Grasses/Sedges - Cyperales
        
        Family - Sedges - Cyperaceae
        
        Species - Bearded Flatsedge - Cyperus squarrosus

Bearded Flatsedge - Cyperus squarrosus

Other Names: Cyperus aristatus

Image Copyright and Usage Information

Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

External Links

General Description

Caespitose annual. Stems ascending to erect, 1–5 cm. Leaves basal, 0.5–2 mm wide, mostly flat. Inflorescence of hemispheric to obovoid spikes of sessile or subsessile spikelets. Spikelets flattened, 3–8 mm long. Scales long-acuminate, light brown, ca. 1.5 mm long, 7- to 9-veined with long spreading to reflexed tips. Flowers: stamen 1; style 3-branched. Achene narrowly obovate, 3-sided, brown, 0.5–1 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Present

Range Comments

Throughout temperate and tropical N. America, cosmopolitan (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana

Number of Observations: 5

(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

Sandy or gravelly, vernally-flooded soil along rivers; plains, valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References

Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
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Citation for data on this website:
Bearded Flatsedge — Cyperus squarrosus. Montana Field Guide. Montana Natural Heritage Program. Retrieved on October 22, 2017, from http://FieldGuide.mt.gov/speciesDetail.aspx?elcode=PMCYP064B0