Trapa natans

Characteristics
Lythraceae
Trapa
Trapa natans L.
water chestnut
An invasive plant of ponds, lakes, bays, canals, and slow moving rivers with muddy bottoms. It is very common on the Hudson River and Mohawk River. This plant tends to grow in shallower water, rarely found in water deeper than 15 feet.
Forb/herb
Annual
Vascular
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Not Native Naturalized OBL (NWPL) OBL (NWPL EMP) OBL (NWPL NCNE) SNA (State Rank) GNR (Global Rank)
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** Not applicable or data not available.
Classification
Eudicots
Myrtales
Trapa
Trapa natans L. - water chestnut
Citation
Trapa natans L.
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** Not applicable or data not available.
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: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Sep 2008 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Sep 2008 - Andrew Nelson View Full Size
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Sep 2008 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Sep 2008 - Andrew Nelson View Full Size
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Sep 2008 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Sep 2008 - Andrew Nelson View Full Size
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Sep 2008 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Sep 2008 - Andrew Nelson View Full Size
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Sep 2008 - 1
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 02 Sep 2008 - Andrew Nelson View Full Size
Photo by: Selma Rosenthal. Photo taken: Onondaga Co., NY: 16 Aug 2016 - 7
Photo by: Selma Rosenthal. Photo taken: Onondaga Co., NY: 16 Aug 2016 - Selma Rosenthal View Full Size
Photo by: Kyle J. Webster. Photo taken: Cayuga Co., NY: 07 August 2020 -
Photo by: Kyle J. Webster. Photo taken: Cayuga Co., NY: 07 August 2020 View Full Size
Photo by: Kyle J. Webster. Photo taken: Cayuga Co., NY: 07 August 2020 -
Photo by: Kyle J. Webster. Photo taken: Cayuga Co., NY: 07 August 2020 View Full Size