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Montana Field Guide

Montana Field Guides

Spreading Alkaligrass - Puccinellia distans
Other Names:  European Alkali Grass, Weeping Alkaligrass

Non-native Species

Global Rank: G5
State Rank: SNA
C-value: 4

Agency Status


External Links

General Description
Perennial bunchgrass. Stems 10–50 cm. Leaves: blades 2–4 mm wide, flat or inrolled. Inflorescence a pyramidal panicle 5–18 cm long. Spikelets 3–6 mm long. Lemmas 1.5–2 mm long, with a blunt tip (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


Range Comments
Introduced throughout North American but absent from the southeast region (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: 13

(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)



  • 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?
    • Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
  • Web Search Engines for Articles on "Spreading Alkaligrass"
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Citation for data on this website:
Spreading Alkaligrass — Puccinellia distans.  Montana Field Guide.  .  Retrieved on , from