55 



Plate 10.— Classification: system Estuarine, subsystem Intertidal, CLASS Reef, subclass Mollusk, DOMINANCE type Crassostrea 

 virginica, water regime Regularly Flooded, water chemistry Mixohaline. An individual red mangrove (Rhizophora mangle) 

 has become established on this oyster reef. (Rookery Bay Sanctuary, Collier County, Florida; January 1978; Photo by E. T. LaRoe) 



