Estevez, Ernest D., Rhonda Evans and Cathy A. Palmer.  (1990).  Distribution and abundance of marshes, mangroves and submerged aquatic vegetation in tidal waters of the Myakka River, Sarasota County, Florida.  62 pp.  Sarasota, FL: Mote Marine Laboratory.
http://www.mote.org/techreps/196/196.pdf
(Provides background information on the composition, distribution and phenology of wetland plant communities within the fresh to marine salinity gradient, downstream of the T. Marby Carlton Reserve.)