Eleocharis cellulosa Torrey. Gulf Coast Spikerush. Phen: Jun-early Nov. Hab: Fresh to brackish interdune swale ponds on barrier islands, marl prairies, depression ponds, salt marshes, other disturbed wet sandy habitats. Dist: E. NC south to s. FL, west to TX and Mexico; West Indies; Bermuda; Central America (Nicaragua).

ID notes: 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).

Origin/Endemic status: Native

Other Comments: See Gaddy & Rayner (1980) for the report of this species in SC and Carter, Baker, & Morris (2009) for discussion of its occurrence in GA.

Synonymy: = Ar, Bah, ETx1, FNA23, GW1, K1, K3, K4, Mex, NcTx, RAB, S, Tx, WH3, Angelo, Rosen, & Lange (2020), Rosen, Hatch, & Carter (2007)

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: OBL
• Great Plains: OBL

Heliophily ?: 9