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Montana Field Guide

Montana Field Guides

Vernal Water Starwort - Callitriche palustris
Other Names:  Callitriche verna

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Native Species

Global Rank: G5
State Rank: SNR
C-value: 6

Agency Status


External Links

General Description
Plants mainly submerged. Stems 3–30 cm. Leaves joined together around the stem; submerged leaves linear, 5–25 mm long; floating leaves oblong, to 4 mm wide. Flowers usually 1 male and 1 female per bracteate axil. Fruit elliptic, ca. 1 mm wide, >1 mm long; narrowly winged above (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
Circumboreal through much of North 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: 17

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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 "Vernal Water Starwort"
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Citation for data on this website:
Vernal Water Starwort — Callitriche palustris.  Montana Field Guide.  .  Retrieved on , from