Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Water Sedge - Carex aquatilis var. aquatilis

Native Species

Global Rank: G5T5
State Rank: S5

Agency Status


External Links

General Description
We do not yet have descriptive information on this species.  Please try the buttons above to search for information from other sources.

Diagnostic Characteristics
The following combination of characters (Ball and Reznicek, 2003, Fl. North America, Vol. 23) present on var. aquatilis should separate it from var. dives: Spikes erect; perigynia usually obovoid, pale brown; staminate spikes usually 2–4.

Species Range
Montana Range Range Descriptions


Range Comments
Widespread across much of North America but mostly absent from the southern Great Plains (KS, OK, TX) and southeast (Kartesz 2009).

Observations in Montana Natural Heritage Program Database
Number of Observations: 5

(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)

  • 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.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
  • Web Search Engines for Articles on "Water Sedge"
Login Logout
Citation for data on this website:
Water Sedge — Carex aquatilis var. aquatilis.  Montana Field Guide.  .  Retrieved on , from