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Montana Field Guide

Montana Field Guides

Narrow-flower Bluegrass - Poa stenantha
Other Names:  Poa macroclada

Status Under Review
Undetermined Origin

Global Rank: G5
State Rank: SU
(see State Rank Reason below)
C-value: 4

Agency Status


External Links

State Rank Reason (see State Rank above)
Most previous reports of this species in Montana were based on mis-identified specimens.
General Description
Perennial bunchgrass. Stems 30–60 cm. Leaves: blades 2–4 mm wide; ligules 2–5 mm long. Inflorescence a nodding panicle 5–16 cm long. Spikelets 7–9 mm long. Lemmas hairy on veins, keeled (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Collected in Deer Lodge County; Pacific Northwest region, CO and UT (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 7

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Relative Density



(Observations spanning multiple months or years are excluded from time charts)


  • 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?
    • Brey, C.W. 1998. Epidemiology of wheat curl mite (Aceria tosichella K.) and wheat streak mosaic virus on feral grass species and effect of glyphosate on wheat curl mite dispersal. Ph.D. Dissertation. Bozeman, MT: Montana State University. 136 p.
    • Joslin, G.J. 1975. Behavior and environmental selection by Elk (Cervus canadensis nelsoni) during surrmer and fall in the First and Second Yellow Mule drainages, Madison County, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University, Bozeman. 65 p.
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Citation for data on this website:
Narrow-flower Bluegrass — Poa stenantha.  Montana Field Guide.  .  Retrieved on , from