Eleocharis quadrangulata Cyperaceae

Cat Point Creek, Rappahannock River 22 July 2009

Mattaponi River.

Marsh along Mattaponi River, one mile south of Aylett, Virginia. 12 September 2008

Lake Phelps, Washington County, NC. 35.734218 degrees N, 76.439567 degrees W. 21 June 2011

Eleocharis quadrangulata Achenes. Mattaponi River, King William County, Virginia 24 September 2009

Mattaponi River.

Prime Hook National Wildlife Refuge, Delware. 22 September 2010

Marsh along Mattaponi River, one mile south of Aylett, Virginia. 12 September 2008

With E. equisetoides(Center). Lake Phelps, Washington County, NC. 35.734253 degrees N, 76.439590 degrees W. 21 June 2011