Characteristics
Carex lacustris Willd.
lake sedge
Fens, marshes, sedge meadows, edges of streams, shrub swamps, and openings in forested swamps. Sometimes forming extensive monospecific thickets. Prefers rich calcareous soils although it is not restricted to these sites. Often occurs with few fertile culms and the amount of flowering/fruiting appears to be either cyclical or dependant on seasonal climatic events.
Graminoid
Perennial
Vascular
5
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Native OBL (NWPL) OBL (NWPL EMP) OBL (NWPL NCNE) S5 (State Rank) G5 (Global Rank)
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Classification
Monocots
Poales
Carex lacustris Willd. - lake sedge
Citation
Carex lacustris Willd.
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Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display its name.

Source
Synonyms
Plant Photos
Photo By: Steve Young. Photo taken: Albany, NY: 19 June 2021 -
Carex lacustris_Steve Young_19 June 2021_35623.jpg
Photo by: Andrew Nelson. Photo taken: Wayne Co., NY: 23 May 2014 - 1
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Photo by: Andrew Nelson. Photo taken: Wayne Co., NY: 24 May 2014 - 1
Carex_lacustris_ANelson_140523_02_03.jpg
Photo by: Andrew Nelson. Photo taken: Wayne Co., NY: 25 May 2014 - 1
Carex_lacustris_ANelson_140523_04-06.jpg
Photo by: Andrew Nelson. Photo taken: Wayne Co., NY: 26 May 2014 - 1
Carex_lacustris_ANelson_140523_07-09.jpg
Photo by: Andrew Nelson. Photo taken: Wayne Co., NY: 27 May 2014 - 1
Carex_lacustris_ANelson_140523_11.jpg
Photo by: Andrew Nelson. Photo taken: Wayne Co., NY: 28 May 2014 - 1
Carex_lacustris_ANelson_140523_16.jpg
Photo by: Steven Daniel. Photo taken: Tompkins Co., NY: 12 Jul 2007 - 4
Carex_lacustris_SDaniel_070712.jpg