Square-stemmed Spikerush in Worcester Co., Maryland (8/5/2019).

View Record Details Photo by Wayne Longbottom MBP List

Square-stemmed Spikerush in Anne Arundel Co., Maryland (6/19/2016).

View Record Details Photo by Robert Ferraro MBP List

Square-stemmed Spikerush in Anne Arundel Co., Maryland (7/26/2011).

View Record Details Photo by Bill Harms MBP List

Square-stemmed Spikerush growing along a <em>sagittaria sp?</em> in Anne Arundel Co., Maryland (7/15/2012). (Photo ID: 8875 - Psn: 35)

Square-stemmed Spikerush growing along a sagittaria sp? in Anne Arundel Co., Maryland (7/15/2012).

Photo by Jim Brighton MBP List

Square-stemmed Spikerush in Van Zandt Co., Texas (9/16/2012).

Photo by Sonnia Hill MBP List

Square-stemmed Spikerush in Anne Arundel Co., Maryland (6/15/2011).

View Record Details Photo by Bill Harms MBP List

Square-stemmed Spikerush in Prince George's Co., Maryland (6/29/2017).

View Record Details Photo by Bill Hubick MBP List

Square-stemmed Spikerush in Talbot Co., Maryland (8/3/2019).

View Record Details Photo by Bill Hubick MBP List

Square-stemmed Spikerush growing in Somerset Co., Maryland (8/23/2020).

View Record Details Photo by Jim Stasz MBP List

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64 Records

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Use of media featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

Square-stemmed Spikerush in Worcester Co., Maryland (8/5/2019). View Record Details Media by Wayne Longbottom.

Square-stemmed Spikerush in Anne Arundel Co., Maryland (6/19/2016). View Record Details Media by Robert Ferraro.

Square-stemmed Spikerush in Anne Arundel Co., Maryland (7/26/2011). View Record Details Media by Bill Harms.

Square-stemmed Spikerush growing along a sagittaria sp? in Anne Arundel Co., Maryland (7/15/2012). Media by Jim Brighton.

Square-stemmed Spikerush in Van Zandt Co., Texas (9/16/2012). Media by Sonnia Hill.

Square-stemmed Spikerush in Anne Arundel Co., Maryland (6/15/2011). View Record Details Media by Bill Harms.

Square-stemmed Spikerush in Prince George's Co., Maryland (6/29/2017). View Record Details Media by Bill Hubick.

Square-stemmed Spikerush in Talbot Co., Maryland (8/3/2019). View Record Details Media by Bill Hubick.

Square-stemmed Spikerush growing in Somerset Co., Maryland (8/23/2020). View Record Details Media by Jim Stasz.

Source: Wikipedia

Eleocharis quadrangulata

Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Cyperaceae
Genus:	Eleocharis
Species:	E. quadrangulata
Binomial name
*Eleocharis quadrangulata* (Michx.) Roem. & Schult.
Synonyms^[1]
Scirpus quadrangulatus Michx. Limnochloa quadrangulata (Michx.) Nees. Eleocharis quadrangulata var. typica Fernald Eleocharis quadrangulata var. crassior Fernald

Eleocharis quadrangulata is a species of spikesedge known by the common names square-stem spikerush and four-angled spikerush. It is native to eastern and central North America (from Texas and Florida north to Ontario and Massachusetts), with additional populations in California, Oregon, and west-central Mexico (Durango, Jalisco, etc.).^[1]^[2]^[3]^[4] It grows in and around freshwater in lakes, ponds, and other bodies of water. It is a rhizomatous perennial herb growing one half to one meter in height. The spongy, compressible stem is a few millimeters wide and sharply four-angled. The inflorescence is a single spikelet 1.5 to 7.5 centimeters long which is made up of several flowers covered in light brown bracts.^[5]