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Montana Field Guide

Montana Field Guides

Italian Foxtail - Setaria italica
Other Names:  Foxtail Bristlegrass, Foxtail Millet

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 1

External Links

General Description
Stems 80–100 cm long. Leaves: blades 8–28 mm wide, sheaths ciliate along margins, ligule 1–2 mm long. Inflorescence a usually nodding spike-like panicle 15–30 cm long, longest sterile bristles 9–12 mm long, antrorsely barbed. Spikelets 2.8–3.2 mm long. Lemmas reticulately veined but not conspicuously transversely corrugated (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Collected in Big Horn and Power River counties; introduced sporadically throughout all of North America excepting the Intermountain Region (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 5

(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)



  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Murphy, C.Y. 2016. Chemical control and disease reservoir studies of the wheat curl mite (Aceria tosichella Keifer) vector to wheat streak mosaic virus. M.Sc. Thesis. Bozeman, MT: Montana State University. 75 p.
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Citation for data on this website:
Italian Foxtail — Setaria italica.  Montana Field Guide.  .  Retrieved on , from