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Eleocharis quadrangulata (Michaux) Roemer & J.A. Schultes. Subgenus: Limnochloa. Section: Limnochloa. Common name: Squarestem Spikerush. Phenology: Jun-Sep. Habitat: Pools, marshes. Distribution: MA west to ON and MI, south to n. FL, TX, and n. Mexico.

Origin/Endemic status: Native

Taxonomy Comments: A rare, apparently infertile hybrid between E. cellulosa and E. quadrangulata (E. ×inaequilatera D.J. Rosen & C. Reid), with unequally quadrangular culms, has been reported from LA and TX (Rosen and Reid 2015).

Synonymy ⓘ: = Ar, C, Can, ETx1, FNA23, GrPl, GW1, Il, K4, Mi, Mo1, NcTx, NE, NS, NY, Pa, POWO, RAB, S, Tat, Tn, Tx, Va, WH3, WV, Angelo, Rosen, & Lange (2020); > Eleocharis quadrangulata (Michx.) Roem. & Schult. var. crassior Fernald — F, G; > Eleocharis quadrangulata (Michx.) Roem. & Schult. var. quadrangulata — F, G; Scirpus quadrangulatus Michaux. Basionym: Scirpus quadrangulatus Michx. 1803

Links to other floras: = Eleocharis quadrangulata - FNA23

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: OBL
  • Great Plains: OBL
  • Midwest: OBL
  • Northcentral & Northeast: OBL

Heliophily ⓘ: 9

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Paul Rothrock | Original Image ⭷
image of plant© Collectors SOS | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷
image of plant© Collectors SOS | Original Image ⭷
image of plant© Collectors SOS | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Collectors SOS | Original Image ⭷

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Horticultural Information

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