Low genetic diversity of the putatively introduced, brackish water hydrozoan,Blackfordia virginica(Leptothecata: Blackfordiidae), throughout the United States, with a new record for Lake Pontchartrain, Louisiana

Despite first being described from Virginia, the widely distributed brackish water hydrozoan Blackfordia virginica is often hypothesized to have been introduced from the Black Sea to the United States. However, the alternative view that B. virginica was introduced to the Black Sea also persists in t... View More