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Montana Field Guide

Montana Field Guides

Intermediate Wheatgrass - Elymus hispidus
Other Names:  Agropyron intermedium, Elytrigia intermedia, Thinopyrum intermedium, Agropyron trichophorum, Thinopyrum elongatum, Thinopyrum ponticum, Agropyron elongatum

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

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General Description
Rhizomatous or bunched. Stems few to extensively bunched, 0.5–1.5 m. Leaves: blades 4–12 mm wide, firm, flat or rolled upon drying, leaf sheaths often with ciliate margins. Inflorescence (6–)12–30 cm long, rachis continuous, thick and somewhat concave on the side toward the spikelet, the internodes 10 or more mm long. Spikelets (10–)14–32 mm long, appressed to the main rachis, florets mostly 6 to 12 per spikelet, glumes shorter than florets, thick and blunt or notched, rarely pointed. Lemmas blunt to pointed, sometimes with a minute awn (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Unknown/Undetermined
 


Range Comments
A forage grass and soil stabilizer that has introduced throughout much of western N. America and sporadically eastward (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 19

(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 disturbed sites especially in pastures and along roads and trails (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:
Intermediate Wheatgrass — Elymus hispidus.  Montana Field Guide.  .  Retrieved on , from