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Montana Field Guide

Montana Field Guides

Small-fruit Bulrush - Scirpus microcarpus

Native Species

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


Agency Status
USFWS:
USFS:
BLM:


 

External Links






 
General Description
Rhizomatous. Stems 30–100 cm, rarely clustered. Leaves: blades 5–12 mm wide; basal sheaths reddish. Inflorescence open, compound-umbelliform. Spikelets 3–6 mm long. Scales 1–2.5 mm long, dark green; tip rounded to apiculate. Flowers: bristles 3–6, straight or curved, spinulose, ca. as long as the achene, white turning brown; stigmas 2. Achene 2-sided, whitish, 1–1.5 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range

Year-round
 


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

Observations in Montana Natural Heritage Program Database
Number of Observations: 103

(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
Marshes, beaver ponds, streambanks; valleys, montane (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?
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
    • Law, D.J. 1999. A comparison of water table dynamics and soil texture under black cottonwood recent alluvial bar, beaked sedge, and Geyer's/Drummond's willow communities. M.Sc. Thesis. Bozeman, MT: Montana State University. 68 p.
  • Web Search Engines for Articles on "Small-fruit Bulrush"
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Citation for data on this website:
Small-fruit Bulrush — Scirpus microcarpus.  Montana Field Guide.  .  Retrieved on , from