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Montana Field Guide

Montana Field Guides

White Bluegrass - Poa glauca
Other Names:  Poa rupicola


Global Rank: G5
State Rank: S4

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

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General Description
Perennial bunchgrass. Stems 10–20 cm. Leaves: blades mostly 1–2.5 mm wide, ligules 1–4 mm long. Inflorescence a narrow panicle 2–8 cm long. Spikelets 4–6 mm long. Lemmas covered with few hairs or hairy to sometimes cobwebby on keel and marginal veins (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Diagnostic Characteristics
Throughout the Rocky Mountain regions and at higher latitudes in N. America (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Summary of Observations Submitted for Montana
Number of Observations: 2

(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

References
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Citation for data on this website:
White Bluegrass — Poa glauca.  Montana Field Guide.  .  Retrieved on , from