Eleocharis tenuis (Willdenow) J.A. Schultes var. tenuis . Slender Spikerush, Kill-cow. Phen: Jun-Sep. Hab: Bogs, marshes. Dist: NS and QC south to NC and s. AL.

Origin/Endemic status: Native

Taxonomy Comments: See Gibbons & McMullen (2019) for detailed discussion of the E. tenuis complex.

Other Comments: Duncan 16842 appears to have been the only specimen of E. tenuis var. tenuis from Georgia, but is Eleocharis brittonii (SGW; personal annotation).

Synonymy: = C, F, FNA23, G, K1, K3, K4, NE, NY, Pa, Tn, Va, Gibbons & McMullen (2019); < Eleocharis capitata (L.) R.Br. – S; < Eleocharis tenuis (Willd.) Schult. – RAB

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACW (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: FACW (taxonomic split from wetland indicator species)
• Great Plains: FACW (taxonomic split from wetland indicator species)
• Midwest: FACW (taxonomic split from wetland indicator species)
• Northcentral & Northeast: FACW (taxonomic split from wetland indicator species)

Heliophily ?: 8