Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Rye Brome - Bromus secalinus

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 1

External Links

General Description
Annual bunchgrass. Stems 30–60 cm. Leaves: blades 4–8 mm wide. Inflorescence a nodding panicle 7–12 cm long. Spikelets 10–15 mm long, with 5 to 8 florets. Lemmas with a straight or down-curved awn 10–20 mm long (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced throughout most of North America (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 22

(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?
    • Joslin, G.J. 1975. Behavior and environmental selection by Elk (Cervus canadensis nelsoni) during surrmer and fall in the First and Second Yellow Mule drainages, Madison County, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University, Bozeman. 65 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Web Search Engines for Articles on "Rye Brome"
Login Logout
Citation for data on this website:
Rye Brome — Bromus secalinus.  Montana Field Guide.  .  Retrieved on , from