Invasion

Invasion Description

1st Record: 3.5 mi W Orange City/FL/Snake Creek Cutoff, St. Johns River (F1975, LNMNH 39518, Florida Museum of Natural History 2013)

Geographic Extent

3.5 mi W Orange City/FL/Snake Creek Cutoff, St. Johns River (1975, FLNMNH 39518, Florida Museum of Natural History 2013; FL/St. Johns River (USGS Nonindigenous Aquatic Species Program 2003; Lee 2007 http://www.jaxshells.org/420aa.htm); FL/St. Johns River (2009, Mattson 2011, freshwater)