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Montana Field Guide

Montana Field Guides

Large Water-starwort - Callitriche heterophylla


Global Rank: G5
State Rank: SNR

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 6

External Links






 
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 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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 8

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Relative Density

Recency

 

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



Habitat

References
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Citation for data on this website:
Large Water-starwort — Callitriche heterophylla.  Montana Field Guide.  .  Retrieved on , from