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Montana Field Guide

Montana Field Guides

Bluebunch Wheatgrass - Elymus spicatus
Other Names:  Agropyron spicatum, Pseudoroegneria spicata, Agropyron inerme

Native Species

Global Rank: G5
State Rank: S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 5

External Links






 
General Description
Bunchgrass. Stems 3–9 dm. Leaves: blades 1–3 mm wide, flat to rolled, sheath and collar often hairless. Inflorescence 4–20 cm long, rachis continuous, internodes >10 mm long. Spikelets 10–15(–26) mm long, appressed to the main rachis, florets mostly 3 to 7 per spikelet, glumes shorter than florets, awnless or short-awned. Lemmas hairless to inconspicuously hairy, with a divergent awn up to 2 cm long, rarely awnless (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Throughout much of western North America and rarely elsewhere (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 3090

(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
  • 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.
    • Zlatnik, E. 1999a. Pseudoregnaria spicata. In: Fire Effects Information System, [Online}. U. S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer).
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Citation for data on this website:
Bluebunch Wheatgrass — Elymus spicatus.  Montana Field Guide.  .  Retrieved on , from