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Montana Field Guide

Montana Field Guides

Sandberg Bluegrass - Poa secunda
Other Names:  Poa sandbergii, Poa ampla, Poa canbyi, Poa scabrella, Poa nevadensis, Poa juncifolia, Poa incurva

Native Species

Global Rank: G5
State Rank: S5

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

External Links






 
General Description
Perennial bunchgrass. Stems 20–120 cm. Leaves: blades 1–3 mm wide; ligules 1–5 mm long. Inflorescence a contracted to open panicle mostly 7–24 cm long. Spikelets 6–10 mm long. Lemmas hairless or scabrous to short-hairy, rounded on back (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
YK east to QC, in its western range south to Mexico, east in Great Plains to MN and TX; disjunct in Patagonia (Soreng, 2007, in Flora North America).

Observations in Montana Natural Heritage Program Database
Number of Observations: 511

(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
Shrub steppe vegetation and in open dry and saline settings throughout the state from low to high elevations (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • 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.
    • Norem, W.L. 1940. Contrasting density changes of Poa secunda and Bouteloua gracilis in eastern Montana through seven years, including the extreme droughts of 1934 and 1936. Northwest Science 14:92.
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Citation for data on this website:
Sandberg Bluegrass — Poa secunda.  Montana Field Guide.  .  Retrieved on , from