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Montana Field Guide

Montana Field Guides

Cultivated Rye - Secale cereale
Other Names:  Cereal Rye

Non-native Species

Global Rank: GNR
State Rank: SNA

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

External Links






 
General Description
Cool season, annual bunchgrass. Stems 50–150 cm. Leaves: blades flat and ascending, 6–12 mm wide; sheaths with overlapping margins; ligule membranous. Inflorescence a two-sided terminal spike with short internodes, 6–12 cm long, rachis readily disarticulating at maturity. Spikelets 1 per node, 14–18 mm long, mostly with 2 florets, glumes narrow and linear. Lemmas with distinctively scabrous veins, distinctly keeled, the margins conspicuously pectinate-ciliate, awn 20–40 mm long; palea enclosed in floret. Disarticulation below the glumes; unit of dispersal the spikelet and subtending internode of the inflorescence rachis (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: 41

(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
Occasionally planted or colonizing roadsides and fields (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Management

References
  • Additional ReferencesLegend:   View Online Publication
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    • Burkhardt, A. 2019. Elucidating the effect of anthropogenic land management on soil nematode community structure. Ph.D. Dissertation. Bozeman, MT: Montana State University. 101 p.
    • Grimme, E. 2004. Effects of mycofumigation using Muscodor albus and Muscodor roseus on diseases of sugar beet and chrysanthemum. M.Sc. Thesis. Bozeman, MT: Montana State University. 86 p.
    • Ito, D. 2011. Evaluation of susceptibility to wheat streak mosaic virus among small grains and alternative hosts in the great plains. M.Sc. Thesis. Bozeman, MT: Montana State University. 93 p.
    • Kim, H.K. 1982. Epidemiological, genetical, and physiological studies of the bacterial leaf streak pathogen Xanthomonas campestris pv. translucens (J.J.R.) Dowson. Ph.D. Dissertation. Bozeman, MT: Montana State University. 83 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • O'Connor, K.S. 1987. Ecology of white-tailed deer and mule deer in agricultural lands in the Gallatin Valley, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 67 p.
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
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Citation for data on this website:
Cultivated Rye — Secale cereale.  Montana Field Guide.  .  Retrieved on , from