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Montana Field Guide

Montana Field Guides

Bottlebrush Squirrel-tail - Elymus elymoides
Other Names:  Sitanion hystrix


Global Rank: G5
State Rank: S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 3

External Links






 
General Description
Bunchgrass. Stems 20–60 cm. Leaves: blades 1–5 mm wide, flat to folded. Inflorescence 4–14 cm long, the erect rachis readily disarticulating at maturity. Spikelets usually 2 per node (1 to 3), 11–14 mm long; glumes gradually tapering from the base to a narrow acute tip, often bifid, rarely trifid, distinctly 1- to 2-veined, imperceptibly tapering into 1 or 2 awns that are 2–11 cm long. Lemmas mostly 2 to 6 per spikelet, hairless to hairy, tapering into an awn 2–10 cm long (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Throughout most of the western half of N. America (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 58

(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
Open dry shrub steppe as well as in moderately disturbed sides such as along gravel back roads (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Bottlebrush Squirrel-tail — Elymus elymoides.  Montana Field Guide.  .  Retrieved on , from