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Montana Field Guide

Montana Field Guides

Needle-and-Thread - Stipa comata
Other Names:  Hesperostipa comata


Global Rank: G5
State Rank: S5

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

External Links






 
General Description
Stems 30–70 cm. Leaves: blades 2–4 mm wide, hairy or hairless at throat region, ligule 3–6 mm long. Inflorescence a contracted to sometimes open panicle 15–32 cm long. Spikelets 16–35 mm long. Lemmas evenly to unevenly whitish hairy, with an awn 6.5–22 cm long (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)..

Species Range
Present
 


Range Comments
Throughout N. America excepting the very southeast (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 427

(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
Open dry settings including sagebrush steppe with high native plant cover as well as well-grazed rangelands and along secondary roads (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Additional ReferencesLegend:   View Online Publication
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    • Hanson, H. C. 1955. Characteristics of the Stipa comata - Bouteloua gracilis - Bouteloua curtipendula<\i> association in northern Colorado. Ecology 36(2):269-280.
    • Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Smoliak, S. 1965. A comparison of ungrazed and lightly grazed Stipa-Bouteloua prairie in southeast Alberta. Canadian Journal of Plant Science 45:270-275.
    • Zlatnik, E. 1999b. Hesperostipa comata. In: Fire Effects Information System, [Online}. U. S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer).
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Citation for data on this website:
Needle-and-Thread — Stipa comata.  Montana Field Guide.  .  Retrieved on , from