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Montana Field Guides

Annual False Wheatgrass - Eremopyrum triticeum
Other Names:  Agropyron triticeum

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
C-value: 1


External Links

General Description
Cool season annual bunchgrass. Stems erect to somewhat spreading, 15–30 cm. Leaves: blades flat to inrolled, ascending, 2–6 mm wide; sheaths with overlapping margins; ligule membranous. Inflorescence 1–2 cm long, a bilateral terminal spike with a continuous rachis. Spikelets one per node, 8–12 mm long with several florets very crowded and diverging at wide angles (40–80°), the internodes 1/10 - 1/8 the length of the spikelets; glumes smaller than lemmas; glumes and lemmas becoming hardened or bony in texture at maturity. Lemmas tapering to an awn-tip; palea enclosed by lemma. Disarticulation below the glumes; unit of dispersal the burr-like spike of spikelets (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


Range Comments
Introduced throughout much of western North America except at the extreme northern latitudes (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 33

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Roadsides, gravel pits, margins of garbage dumps, and other regularly disturbed settings with sandy or gravelly soils where competition with other grasses is minimal (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).


  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Dillard, S.L. 2019. Restoring semi-arid lands with microtopography. M.Sc. Thesis. Bpzeman, MT: Montana State University. 97 p.
    • Kisch, H.R. 2015. An inventory of carbon stocks under native vegetation and farm fields in south-central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 67 p.
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Citation for data on this website:
Annual False Wheatgrass — Eremopyrum triticeum.  Montana Field Guide.  .  Retrieved on , from