Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Large Water-starwort - Callitriche heterophylla

Image Copyright and Usage Information
Native Species

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


Agency Status
USFWS:
USFS:
BLM:


 

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

Species Range
Montana Range Range Descriptions

Native
 


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: 34

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

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



Habitat


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