Check out EDDMapS.org to see where this has been reported.
Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales
WEAKLEY'S FLORA (11/30/12):
Cyperus entrerianus
FAMILY
Cyperaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Cyperus entrerianus
FAMILY
Cyperaceae
COMMON NAME:
Deep-rooted Sedge
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Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org bug_1117064
Month Unknown
Leaf blades nearly flat to V-shaped in cross-section, 4-7mm wide, glabrous, per Cyperus entrerianus: A Little Known Aggressive Sedge in the Southeastern United States (Carter & Bryson, 1996).
)
Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org bug_1117097
Month Unknown
Large more-or-less loose clumps, tenacious base deeply set in the substrate, per Cyperus entrerianus: A Little Known Aggressive Sedge in the Southeastern United States (Carter & Bryson, 1996).
)
Richard Carter, Valdosta State University, Bugwood.org bug_1451012
Month Unknown
5-11 rays to 13cm long, each terminated by a dense ~ capitate spike, per Cyperus entrerianus: A Little Known Aggressive Sedge in the Southeastern United States (Carter & Bryson, 1996).