Patterson's Bluegrass - Poa abbreviata ssp. pattersonii
MNPS Threat Rank
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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Throughout most of western North America (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- 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.