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Montana Field Guide

Montana Field Guides

Patterson's Bluegrass - Poa abbreviata ssp. pattersonii
Other Names:  Poa pattersonii

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Native Species

Global Rank: G5T5
State Rank: S4
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

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General Description
Perennial bunchgrass. Stems 10–20 cm. Leaves: blades 0.5–2 mm wide; ligules 1–5 mm long. Inflorescence a contracted panicle 2–5 cm long. Spikelets 4–6 mm long. Lemmas keeled, densely hairy to cobwebby on keel and marginal veins. Treated in Lesica (2012) as Poa pattersonii (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Throughout most of western North America (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: 12

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Relative Density

Recency

 

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



Habitat
Alpine meadows and ridges or other open exposed sites (Lavin in 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?
    • Aho, Ken Andrew. 2006. Alpine and Cliff Ecosystems in the North-Central Rocky Mountains. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 343 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
    • Saunders, J.K. Jr. 1955. Food habits and range use of the Rocky Mountain goat in the Crazy Mountains, Montana. Journal of Wildlife Management 19(4):429-437.
    • Williams, K.L. 2012. Classification of the grasslands, shrublands, woodlands, forests and alpine vegetation associations of the Custer National Forest portion of the Beartooth Mountains in southcentral Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 376 p.
  • Web Search Engines for Articles on "Patterson's Bluegrass"
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Citation for data on this website:
Patterson's Bluegrass — Poa abbreviata ssp. pattersonii.  Montana Field Guide.  .  Retrieved on , from