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Montana Field Guide

Montana Field Guides

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


Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 9

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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Circumboreal south to OR, UT and NM (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 18

(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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Narrowleaf Cotton-grass — Eriophorum angustifolium.  Montana Field Guide.  .  Retrieved on , from