Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Alismatales
Flora of North America
Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)
No pictures are available at this time.