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Montana Field Guide

Montana Field Guides

Fowl Mannagrass - Glyceria striata

Native Species

Global Rank: G5
State Rank: S4

Agency Status
MNPS Threat Rank:
C-value: 6

External Links

General Description
Stems often bunched, 30-100 cm. Leaves: blades 2–5 mm wide, ligules 1–4 mm long. Inflorescence an open panicle, 10–20 cm long, branches spreading but if ascending then the tips drooping. Spikelets 2–4 mm long. Lemmas 2 to 7 florets per spikelet (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


Range Comments
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: 214

(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
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    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Tuinstra, K. E. 1967. Vegetation of the floodplains and first terraces of Rock Creek near Red Lodge, Montana. Ph.D dissertation. Montana State University, Bozeman 110 pp.
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Citation for data on this website:
Fowl Mannagrass — Glyceria striata.  Montana Field Guide.  .  Retrieved on , from