Rank MethodExpertise without calculation
Review Date2011-12-12
Change Date1996-09-23
Edition Date2011-12-12
Edition AuthorsHammerson, G.
Range Extent200,000-2,500,000 square km (about 80,000-1,000,000 square miles)
Number of Occurrences81 - 300
Range Extent CommentsRange extends from southeastern Maine southward along the Atlantic Slope to southern Florida, and west along the Gulf Slope to Louisiana (Sabine River) and southeastern Oklahoma; and Former Mississippi Embayment north to Kentucky and southeastern Missouri; with an isolated population in the San Jacinto River drainage, Texas; introduced in the French Broad system in North Carolina (Page and Burr 2011).