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Montana Field Guide

Montana Field Guides

Common Bog Arrow-grass - Triglochin maritima
Other Names:  Triglochin concinna

Native Species

Global Rank: G5
State Rank: S5
C-value: 8

Agency Status


External Links

General Description
Stems ascending to erect, 15–70 cm. Leaves 4–40 cm long. Flowers: tepals 1–2 mm long; pistils 6 (sometimes 3 aborted). Fruit erect, narrowly ovoid, 3–6 mm long on pedicels 2–4 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions


Range Comments
Circumboreal south to CA, NM, OH and NY; S. America (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 130

(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)

Wet, open, alkaline soil around ponds and springs in the valley zone.

  • 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.
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
  • Web Search Engines for Articles on "Common Bog Arrow-grass"
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Citation for data on this website:
Common Bog Arrow-grass — Triglochin maritima.  Montana Field Guide.  .  Retrieved on , from