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Montana Field Guide

Montana Field Guides

Large Water-starwort - Callitriche heterophylla

Native Species

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


Agency Status
USFWS:
USFS:
BLM:


 

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General Description
Plants submerged below, floating above. Stems 2–25 cm. Leaves joined together around the stem; submerged leaves linear, 3–15 mm long; floating leaves oblong, 2–5 mm wide. Flowers usually 1 male and 1 female per bracteate axil. Fruit oblong, ca. 1 mm wide and long, not winged (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Across most of northern U.S. and adjacent Canada (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 30

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Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat

References
  • 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.
  • Web Search Engines for Articles on "Large Water-starwort"
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Citation for data on this website:
Large Water-starwort — Callitriche heterophylla.  Montana Field Guide.  .  Retrieved on , from