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Montana Field Guide

Montana Field Guides

Narrowleaf Cotton-grass - Eriophorum angustifolium
Other Names:  Eriophorum polystachion

Native Species

Global Rank: G5
State Rank: SNR
C-value: 9


Agency Status
USFWS:
USFS:
BLM:


 

External Links






 
General Description
Rhizomatous. Stems 15–50 cm. Leaves: flat; blades 2–5 mm wide. Inflorescence 2 to 8 nodding, pedunculate spikelets; bracts 2 or more, leaf-like as long as the inflorescence. Spikelets 1–2 cm long in fruit; lowest scale smaller than the spikelet. Fertile scales brown to greenish black with a pale midvein not reaching the tip, 5–10 mm long. Bristles white. Achene 2–5 mm long, minutely apiculate (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Circumboreal south to OR, UT 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: 44

(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
Organic soil of fens, wet meadows; valleys to lower subalpine (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?
    • Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
  • Web Search Engines for Articles on "Narrowleaf Cotton-grass"
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Citation for data on this website:
Narrowleaf Cotton-grass — Eriophorum angustifolium.  Montana Field Guide.  .  Retrieved on , from